assertion and reason – Puzzle Duniya http://www.puzzleduniya.com Online Puzzle, Aptitude, Reasoning, GK & Quiz Portal Sat, 11 Nov 2017 08:33:50 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.6 Syllogism – Questions and Answers for Competitive Examinations http://www.puzzleduniya.com/syllogism-questions-and-answers-for-competitive-examinations/ http://www.puzzleduniya.com/syllogism-questions-and-answers-for-competitive-examinations/#respond Mon, 08 Feb 2016 15:06:25 +0000 http://www.puzzleduniya.com/?p=2474 Are you dreaming to make your career in Banking sectors? Are you preparing for different categories of banking exams including IBPS, Bank PO, Clerical exams and other posts? Then you must include ‘assertion and reasoning’ in your exam course and study hard this chapter, because you must face a lot of challenging questions from this particular section during the exam hours. It’s alternatively called ‘Syllogism’, which is a very important part of your logical reasoning or verbal to non-verbal ability tests.

Syllogism Study Hard

Below, 20 questions with their justified explanations are given. Try to solve them very carefully and memorize properly, so that you could easily face the hurdle and successfully overcome them.

In each question below, there are two statements labelled as Assertion (A) and Reason (R).
Share your answer as per below provided codes:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false
(d) A is false but R is true
(e) Both A and R are false.

1. Assertion (A): Plaster of Paris is used by doctors for setting fractured bones.
Reason (R): When Plaster of Paris is mixed with water and applied around the fractured limbs, it sets into a hard mass.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Plaster of Paris when mixed with water and applied around the fractured limbs, it sets into a hard mass and keeps the bone joints in a fixed position. So, it can be used for setting fractured bones.

2. Assertion (A): The use of chlorofluorocarbons is banned throughout the world now-a-days.
Reason (R): This chemicals caused skin cancer.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

The use of chlorofluorocarbons is banned nowadays because these cause holes in the ozone layer through which ultraviolet rays penetrate and may cause skin cancer.

3. Assertion (A): Bronze is used for making statues.
Reason (R): Bronze is an alloy of copper and tin.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Bronze is an alloy of copper and tin. It’s resistant to corrosion and so it’s used to make statues.

4. Assertion (A): India is facing the problem of inflation.
Reason (R): We have failed to check the black money.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Inflation in India is caused by unrestricted growth of black money.

5. Assertion (A): Leaves of plants are green.
Reason (R): Plants contain chromoplasts, the green pigment.

Answer

Answer

A is true but R is false.

Explanation

Explanation

Leaves of plants are green because they contain the green pigment, chlorophyll. However, plants contain chromoplasts but they are not green pigments.

6. Assertion (A): Areas near the Equator receive rainfall throughout the year.
Reason (R): High temperature and high humidity cause conventional rain in most afternoons near the Equator.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

R is the correct explanation of A.toggle]

7. Assertion (A): Telephone wires sag more in summer.
Reason (R): They expand due to summer heat.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

The metal of telephone wires expands in summer.

8. Assertion (A): Eskimos reside in igloos.
Reason (R): No other material except snow is available.

Answer

Answer

A is true but R is false.

Explanation

Explanation

Eskimos live in snow houses called igloos because snow, being a bad conductor of heat, these houses are warm inside./toggle]

9. Assertion (A): India is a democratic country.
Reason (R): India has a constitution of it’s own.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

India is a democratic country because it’s Government is the Government of the people, for the people and by the people. It’s also true that India has its own Constitution.

10. Assertion (A): Pressure cookers are fitted with ebonite handles.
Reason (R): Ebonite is strong.

Answer

Answer

A is true but R is false.

Explanation

Explanation

The handles of pressure cookers are made of ebonite bbecause it being a bad conductor of heats, doesn’t heat up.

11. Assertion (A): Water kept in earthen pots gets cooled in summer.
Reason (R): Evaporation caused cooling.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Earthen pots have pores through which water evaporates, causing cooling.

12. Assertion (A): Safety fuses are made up of materials having a high melting point.
Reason (R): Safety fuses should be resistant to electric current.

Answer

Answer

Both A and R are false.

Explanation

Explanation

Safety fuses are made up of materials having a low melting point so that when excess current flows through the circuit, the fuse melts breaking the circuit and thus prevents appliances.

13. Assertion (A): Pluto is the coldest planet.
Reason (R): It receives slanting rays of the sun.

Answer

Answer

A is true but R is false.

Explanation

Explanation

Pluto, being farthest from the Sun, hardly gets the sun’s rays. So, Pluto is the coldest planet.

14. Assertion (A): In the upper course, the main work of the river is erosion.
Reason (R): River flows swiftly in the upper course.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

In it’s upper course, the river rushes down a steep slope and so flows swiftly, causing mainly erosion in the region.

15. Assertion (A): Most of the ancient civilization grew near the rivers.
Reason (R): The main occupation of man was agriculture.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Most ancient civilizations grew near the rivers, because of fertile land and availability of water necessary for agriculture, the main occupation of man.

16. Assertion (A): Earth is the only planet known to have life.
Reason (R): Earth has an atmosphere which is a mixture of oxygen, nitrogen and carbon dioxide.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Presence of water is the chief originator and sustainer of life on the Earth.

17. Assertion (A): Passengers in a boat are not allowed to stand.
Reason (R): This may rise the center of gravity of the boat and the boat may topple over due to unstable equilibrium.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

R fully explains A.

18. Assertion (A): Mercury is the farthest planet from the Sun.
Reason (R): Mercury is the smallest planet in the entire solar system.

Answer

Answer

A is false but R is true.

Explanation

Explanation

Mercury is the smallest planet, but Pluto is the farthest planet in the solar system..

19. Assertion (A): Venus is placed distant from Sun as compared to Mercury , yet it is the hottest planet.
Reason (R): Immense carbon dioxide in the atmosphere of Venus creates a green house effect.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

97% of Venus’ atmosphere comprises of carbon dioxide which traps the incoming solar energy very efficiently.

20. Assertion (A): Akbar founded Din-e-Ilahi.
Reason (R): He was motivated by self-glorification.

Answer

Answer

A is true but R is false.

Explanation

Explanation

Akbar founded Din-e-Ilahi to inculcate moral values in people and abolish religious intolerance. R is false.
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Interesting Syllogism Questions and Answers for IBPS Bank PO Exams http://www.puzzleduniya.com/interesting-syllogism-questions-and-answers-for-ibps-bank-po-exams/ http://www.puzzleduniya.com/interesting-syllogism-questions-and-answers-for-ibps-bank-po-exams/#respond Thu, 04 Feb 2016 05:43:27 +0000 http://www.puzzleduniya.com/?p=2480 The Syllogism test of logical reasoning is given as a practice set to test your merit and analytical power to draw a definite conclusion. If your mind is sharp enough, then you could easily derive the answer in assertive ways. Are you preparing for you management Aptitude Test (M.A.T) or other banking exams like IBPS? Then questions from this section is must during the examination. So, prepare hard to get the taste of success.

IBPS-Tree

Source

Below are given 20 questions from assertion and reasoning questions with their suitable answers. Try to solve them yourselves and once you could do it successfully, your chance of being passed the exams will be far easier.

In each question below, there are two statements labelled as Assertion (A) and Reason (R).

Share your answer as per below provided codes:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false
(d) A is false but R is true
(e) Both A and R are false.

Q1. Assertion (A): On the equinoxes, the day and night are equal all over the globe
Reason (R): On the equinoxes, the position of earth with respect to the sun is such that neither pole is inclined towards the sun.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

R fully and clearly explains A.

Q2. Assertion (A): A person with blood group O is considered a universal recipient.
Reason (R): Type O blood doesn’t contain any antigens.

Answer

Answer

A is false but R is true

Explanation

Explanation

Group O blood carries no antigens on their cells and do not manufacture antibodies against other blood types. This blood can be safely administered to people with other blood groups. So, group O people are called universal donors. A person with blood group AB is universal recipient.

Q3. Assertion (A): Tides indicate the regular and periodic rise and fall in sea level.
Reason (R): Tides are caused by the gravitational pull of the moon and the sun.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

R fully and clearly explains A.

Q4. Assertion (A): The steam engine was invented by James Watt.
Reason (R): There was a problem of taking out water from flooded mines.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

The problem of pumping of water from the flooded mines provided the need of a self-working engine, which led James Watt to invent the same.

Q5. Assertion (A): Increase in carbon dioxide would melt polar ice.
Reason (R): Global temperature would rise.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

The carbon dioxide evapourates in earth’s atmosphere traps the heat. With increase in the proportion of carbon dioxide, therefore, the global temperature would rise, thus causing the polar ice to melt.

Q6. Assertion (A): Tamil Nadu gets most of the rainfall in the winter.
Reason (R): Tamil Nadu gets most of the rainfall from retreating monsoons.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Rainfall in Tamil Nadu is caused by the retreating monsoons which occurs in winter.

Q7. Assertion (A): Graphite is slippery and used as lubricant.
Reason (R): Graphite has free electrons.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Graphite possesses a layer structure with two successive layers held by weak forces and able to slide over one other. So, graphite is slippery and this property finds its use as a lubricant. In Graphite each carbon atom is linked to three other carbon atoms while one electron in the carbon atom is delocalized. So, graphite has free electrons.

Q8. Assertion (A): In India, the judiciary is independent of the executive.
Reason (R): Judiciary favors the government and helps in the implementation of it’s plans.

Answer

Answer

A is true but R is false

Explanation

Explanation

In India, the judiciary is completely independent of the executive. It has no interference in the affairs of the state nor can it be influenced by the government.

Q9. Assertion (A): We prefer to wear white clothes in winter.
Reason (R): White clothes are good reflectors of heat.

Answer

Answer

A is false but R is true

Explanation

Explanation

We prefer to wear dark clothes in winter because they absorb the heat and keep the body warm. However, white clothes are good reflectors of heat and are worn in summer.

Q10. Assertion (A): In India, people elect their own representatives.
Reason (R): India is a democratic country.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

India, being a democracy, it’s a government run by the representatives elected by its people.

Q11. Assertion (A): Vaccines prevent diseases.
Reason (R): Vaccines must be given to children.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Vaccines prevent diseases by developing immunity inside the body and vaccines must be given to children to build in them a resistance against diseases.

Q12. Assertion (A): Downpour of rain lessens the humidity in the atmosphere.
Reason (R): Rains are caused when atmosphere cannot hold more moisture.

Answer

Answer

A is false but R is true

Explanation

Explanation

Rains are caused when the atmosphere in upper reaches cannot hold more water. But the downpour of rain increases the humidity in the atmosphere near the earth surface.

Q13. Assertion (A): Unpolished rice should be eaten.
Reason (R): Polished rice lacks Vitamin B.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

The husk of unpolished rice contains Vitamin B1, deficiency of which causes the diseases Beri-beri. So, rice should be eaten unpolished.

Q14. Assertion (A): Bats can fly in the night.
Reason (R): Bats emit ultrasonic.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Bats can fly in the night because they can trace the obstacle in the path by perceiving the echo of the ultrasonic sound emitted by them after it’s reflected by the obstacles.

Q15. Assertion (A): Razia Sultan was the daughter of Iltutmish
Reason (R): Iltutmish was a rebel.

Answer

Answer

A is true but R is false

Explanation

Explanation

Iltutmish was a ruler of slave dynasty and Razia was his daughter.

Q16. Assertion (A): Silver is not used to make electric wires.
Reason (R): Silver is a bad conductor.

Answer

Answer

A is true but R is false

Explanation

Explanation

Silver is a good conductor of electricity but it’s not used to make electric wires because it’s expensive.

Q17. Assertion (A): Gandhiji withdrew the non-cooperation movement.
Reason (R): There was violence at the Chauri Chaura outrage.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Gandhiji withdrew the non-cooperation movement because of the violence in the Chauri Chaura outrage.

Q18. Assertion (A): Carbon forms the largest number of compounds.
Reason (R): Carbon has the catenation property.

Answer

Answer

A is false but R is true

Explanation

Explanation

Carbon forms a very large number of compounds due to it’s tendency to form chains and rings of varying sizes, called its catenation property. However, the largest amount of compounds are formed by hydrogen.

Q19. Assertion (A): Uttar Pradesh is called the ‘Sugar Bowl’ of India.
Reason (R): Uttar Pradesh is the leading producer of sugarcane.

Answer

Answer

Both A and R are true and R is the correct explanation of A

Explanation

Explanation

Uttar Pradesh, being the leading producer of sugarcane in India, is called the ‘Sugar Bowl’ of India.

Q20. Assertion (A): When the bus starts, the person inside it falls forward.
Reason (R): The bus pushes the man forward.

Answer

Answer

Both A and R are false.

Explanation

Explanation

When the bus starts, the person inside it falls backward because the bus moves forward but due to the property of inertia, the men tend to be in the initial state of rest.
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Tricky Syllogism Questions and Solutions for IBPS Bank PO Exams http://www.puzzleduniya.com/tricky-syllogism-questions-and-solutions-for-ibps-bank-po-exams/ http://www.puzzleduniya.com/tricky-syllogism-questions-and-solutions-for-ibps-bank-po-exams/#comments Mon, 01 Feb 2016 04:34:37 +0000 http://www.puzzleduniya.com/?p=2488 Appearing for challenging competitive exams in different Government and Corporate sectors are not so easy without thorough preparation. You need to follow quality books or potential web portals which offers exam-quality study materials for your proper guidance. There are different chapters from reasoning and verbal to non-verbal sections which you need to study well. Syllogisms, or assertion and reasoning is one of the chapter which you really need to study with great amount of practice before you finally appear for the job exams.

Syllogism Understanding

Try to solve the below set of 20 questions from this important section, which indeed help you prepare well for your tough competitive exams and boost your confidence in a certain level.

In each question below, there are two statements labelled as Assertion (A) and Reason (R).

Share your answer as per below provided codes:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false
(d) A is false but R is true
(e) Both A and R are false.

Q1. Assertion (A): Glass tumbler breaks in winter when hot water is poured in it.
Reason (R): When hot water is poured, the outer surface of glass expands.

Answer

Answer

A is true but R is false

Explanation

Explanation

When is winter, hot water is poured in the glass tumbler, it’s linear surface tends to expand while the outer surface in contact with cold atmosphere doesn’t. This opposite interaction causes the tumbler to break.

Q2. Assertion (A): Red color of blood is due to hemoglobin.
Reason (R): Hemoglobin is a red pigment.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Hemoglobin is the blood pigment that imparts red color to the blood..

Q3. Assertion (A): Carbohydrates provide energy to the body.
Reason (R): Obesity is caused by excessive intake of carbohydrates.

Answer

Answer

A is true but R is false .

Explanation

Explanation

Carbohydrates are the source of energy in the body. However, obesity is caused by the excessive intake of fats that accumulates in the body.

Q4. Assertion (A): There is rainbow in the sky only after rains.
Reason (R): Water drops suspended in the air break up sun’s rays into seven colors.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Water droplets act like prisms. Sun’s rays falling on water droplets suffer dispersion and produce a spectrum.

Q5. Assertion (A): Nuclear fusion is used to generate electricity.
Reason (R): Nuclear power is not used because it cannot be controlled.

Answer

Answer

Both A and R are false.

Explanation

Explanation

A controlled nuclear fission reaction is used to generate electricity. Nowadays, controlled nuclear power finds many important applications.

Q6. Assertion (A): River Narmada flows westward.
Reason (R): Narmada falls into Bay of Bengal.

Answer

Answer

A is true but R is false

Explanation

Explanation

River Narmada flows westward and drains into Arabian Sea.

Q7. Assertion (A): Cotton is grown in alluvial soils.
Reason (R): Alluvial soils are very fertile.

Answer

Answer

A is false but R is true

Explanation

Explanation

Alluvial soils comprising of silt and sand carried down by the rivers, are very fertile. However, cotton is grown in black soil that suits it’s mineral requirements.

Q8. Assertion (A): India has a topical monsoon type climate.
Reason (R): India is located exactly between the topical latitude.

Answer

Answer

A is true but R is false

Explanation

Explanation

India has a topical monsoon type climate owing to it’s geographical relief. Only the lower half of India lies amidst tropical latitudes, as the Tropic cancer passes through its center.

Q9. Assertion (A): Copper is used to make electrical wires.
Reason (R): Copper has very low electrical resistance.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

A low electrical resistance of copper makes it a good electrical conductor. So it’s used to make electric wires.

Q10. Assertion (A): A little gap is left between iron rails.
Reason (R): Iron expands in summer.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Iron expands in summer. So, gaps are left between rails to allow for expansion.

Q11. Assertion (A): When common salt is kept open, it absorbs moisture from the air.
Reason (R): Common salt contains magnesium chloride.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Magnesium chloride present in common salt is a deliquescent substance, i.e., it absorbs moisture from the air when kept in open.

Q12. Assertion (A): When a body is dipped in a liquid fully or partially, there is a decrease in its weight.
Reason (R): The decrease in weight is due to the higher density of the displaced liquid.

Answer

Answer

A is true but R is false

Explanation

Explanation

When a body is dipped ina liquid, there is a decrease in weight due to the upward thrust exerted on it by the water.

Q13. Assertion (A): Leakages in household gas cylinders can be detected.
Reason (R): LPG has a strong smell.

Answer

Answer

A is true but R is false

Explanation

Explanation

Leakage in household gas cylinders can be detected because of the strong smell of ethyl merceptan mixed with LPG.

Q14. Assertion (A): Simla is colder than Delhi
Reason (R): Simla is at a higher altitude as compared to Delhi.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Simla is colder than Delhi because it’s situated in a higher altitude and temperature decreases by 1 degree centigrade for every 165 meters of ascent.

Q15. Assertion (A): Land breeze blows during night.
Reason (R): Land gets heated up quickly.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Land gets heated up quickly and also cools quicker than sea at night so that cool winds called the land breeze blow from land to sea.

Q16. Assertion (A): The freezing of sea water during winter doesn’t kill the fishes.
Reason (R): Only surface water is frozen.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

In winter, only the surface water of the sea freezes. Further below, water doesn’t freeze because the surface ice provides an insulting coat.

Q17. Assertion (A): We feel comfortable in hot and humid climate.
Reason (R): Sweet evaporates faster in humid climate.

Answer

Answer

Both A and R are false.

Explanation

Explanation

We fell uncomfortable in hot and humid climate because in hot weather, body sweates more but due to high humidity, this sweat doesn’t evaporate easily.

Q18. Assertion (A): Mohammad-bin-Tughluq is called the ‘wisest fool’.
Reason (R): He has wise plans but implemented them foolishly.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

R provides the correct explanation of A.

Q19. Assertion (A): Weeds shouldn’t be allowed to grow along with the crops.
Reason (R): Weeds leave no space for plants to grow.

Answer

Answer

A is true but R is false

Explanation

Explanation

Weeds shouldn’t be allowed to grow along with the crops because they consume the essential nutrients, which are required by the crops for growth.

Q20. Assertion (A): Carbon dioxide turns lime water milky.
Reason (R): Carbon dioxide sullies the water.

Answer

Answer

A is true but R is false

Explanation

Explanation

Carbon dioxide reacts with lime water (calcium hydroxide) to form milky precipitate of calcium carbonate.
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Assertion and Reasoning – Verbal Ability Questions and Answers for you http://www.puzzleduniya.com/assertion-and-reasoning-verbal-ability-questions-and-answers-for-you/ http://www.puzzleduniya.com/assertion-and-reasoning-verbal-ability-questions-and-answers-for-you/#respond Mon, 18 Jan 2016 01:00:12 +0000 http://www.puzzleduniya.com/?p=2322 This test is meant to judge a student or job seeker’s knowledge and with it, his/her ability to reason out correctly. Here two statements referred to as the Assertion [A] and Reason [B] respectively are given. You have to chose the correct answer from the five alternatives given.

Reasoning Question Answer

Source

Below 12 questions from assertion and reason section with their proper answers are given. Revise them repeatedly to prepare well for your upcoming competitive exams.

In each question below, there are two statements labelled as Assertion (A) and Reason (R).

Share your answer as per below provided codes:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false
(d) A is false but R is true
(e) Both A and R are false.

1. Assertion (A): When lighting strikes, the sound is heard a little after the flash is seen.
Reason (R): The velocity of light is greater than that of the sound.

Answer

Answer

(a) Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

R provides the correct reason for A.

2. Assertion (A): A ship rises as it enters the sea from a river.
Reason (R): The density of sea water is higher as compared to river water.

Answer

Answer

(a) Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Due to higher density of sea water, the upthrust produced by the sea water on the ship is greater as compared to that produced by river water.

3. Assertion (A): Indian President is the head of the State.
Reason (R): Indian Parliament consists of the President, Lok Sabha and Rajya Sabha.

Answer

Answer

(b) Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Indian President is the constitutional head of the executive, the real power being vested in the Council of Ministers.

4. Assertion (A): The pouring of kerosene oil on stagnant pools helps to eradicate malaria.
Reason (R): The kerosene oil is poisonous for mosquitoes.

”Answer”

”Answer”

Explanation

Explanation

The kerosene oil spread on the water provides a thin coating and the larvae of mosquitoes are prevented from coming up to breathe. Thus they die..

5. Assertion (A): Uranium undergoes nuclear fusion reaction.
Reason (R): It has a big unstable nucleus.

Answer

Answer

(d) A is false but R is true.

Explanation

Explanation

Having a big unstable nucleus, uranium undergoes nuclear fission reaction.

6. Assertion (A): Petrol fire can’t be extinguished by pouring water over it.
Reason (R): Water is heavier than petrol.

Answer

Answer

(a) Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Water being heavier, slips down and petrol rises to the surface and continues to burn as before. So, petrol fire is better extinguished by putting sand over it.

7. Assertion (A): The British sovereignty continued to exist in free India.
Reason (R): The British sovereign appointed the last Governor-General of free India.

Answer

Answer

(d) A is false but R is true.

Explanation

Explanation

India drafted its own Constitution and formed its own government after gaining independence. So A is false but R is true.

8. Assertion (A): Diamond is used for cutting glasses
Reason (R): Diamond has a high refractive index.

Answer

Answer

(b) Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Diamond is hard due to its rigid three dimensional structureand so, it’s used for cutting glass.

9. Assertion (A): The same side of the moon faces the earth at all times.
Reason (R): Moon is the only natural satellite of Earth.

Answer

Answer

(b) Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Moon rotates on its Axis once in 27.33 days and it also takes the same time to revolve around the earth. So, only one.

10. Assertion (A): Sprouting shouldn’t be done before consuming the grains.
Reason (R): Sprouting kills many vital vitamins.

Answer

Answer

(e) Both A and R are false.

Explanation

Explanation

Sprouted grains should be consumed because sprouting enhances the nutrient content of the grains.

11. Assertion (A): Goitre is a common disease in mountainous regions.
Reason (R): The diet of the people in mountains lacks iodine content.

Answer

Answer

(d) A is false but R is true.

Explanation

Explanation

Goitre is commonly caused in mountainous regions because goitre is caused by deficiency of iodine and diet is mountainous areas lacks iodine.

12. Assertion (A): Roughage prevents constipation
Reason (R): Roughage adds bulk to the food.

Answer

Answer

(a) Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Roughage adds bulk to the food and makes its passage through the stomach easier, thus preventing constipation..
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Assertion – Verbal Reasoning Questions and Answers for you http://www.puzzleduniya.com/assertion-verbal-reasoning-questions-and-answers-for-you/ http://www.puzzleduniya.com/assertion-verbal-reasoning-questions-and-answers-for-you/#comments Thu, 14 Jan 2016 00:00:30 +0000 http://www.puzzleduniya.com/?p=2327 Puzzle Duniya is always looking for quality study materials for students and job-seekers who are willing to make their dream career in wide range of Government, corporate and funded organizations. Thus our motto to cover questions and answers from different section of logical or verbal reasoning including assertion and reasoning is just another big effort on our behalf. This is also called ‘Syllogism’.

Assertion Reasoning

Source

Below 20 questions with their logical explanations given. Just try to understand them and be an expert on it. Always stay tuned for further updates in coming articles…….

In each question below, there are two statements labelled as Assertion (A) and Reason (R).
Share your answer as per below provided codes:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false
(d) A is false but R is true
(e) Both A and R are false.

1. Assertion (A): Alcohol rather than mercury is used in a thermometer to measure a temperature of -60 Degree centigrade.
Reason (R): Alcohol has a lower freezing point than mercury

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Mercury freezes at -39, while alcohol freezes at a point far below -100 degree Celsius. So, alcohol is used to measure lower temperature. Similarly mercury boils at 357 degree C, while alcohol boils at 78 degree C. So mercury is used to measure high temperature.

2. Assertion (A): Indus Valley people knew the art of navigation.
Reason (R): Indus Valley seals indicate prevalence of overseas trade.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

The seals found at Indus Valley sites gave evidence of overseas trade, which was possibly only with the knowledge of the art of navigation.

3. Assertion (A): Pipes carrying water often burst in cold countries during severe winter.
Reason (R): Water expand on freezing.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

During severe winters, water in the pipes freezes to ice and expands, resulting in bursting of pipes.

4. Assertion (A): An electric bulb makes a bang when it’s broken.
Reason (R): The air inside the bulb rushes out immediately on breaking.

Answer

Answer

A is true but R is false.

Explanation

Explanation

There is a vacuum inside the electric bulb. When the bulb breaks, air rushes in at great speed from all sides to fill the vacuum, thus producing a ‘bang’.

5. Assertion (A): Salt is added to cook food at higher altitudes.
Reason (R): Temperature is lower in higher altitudes.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Due to decrease in pressure in higher altitudes, water boils much below 100 degree C so that the food doesn’t get sufficient heat for being cooked. Salt increases the boiling point of water.

6. Assertion (A): Carbon monoxide when inhaled causes death.
Reason (R): Carbon monoxide combines with hemoglobin.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Carbon Monoxide, when inhaled, combines with haemoglobin of blood to form carboxy-haemoglobin which inhibits the transport of oxygen.

7. Assertion (A): We feel colder on mountains than on plains.
Reason (R): Temperature deceases with altitude.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Higher above the sea level, temperature decreases at the rate of 1 degree C for every 165 metres of ascent making mountain peaks colder.

8. Assertion (A): Inside the earth metals are present in molten state.
Reason (R): Earth absorbs the sun’s rays.

Answer

Answer

A is true but R is false.

Explanation

Explanation

Inside the earth, the higher temperature and pressure keep the metals in molten state. The earth doesn’t absorb the sun’s rays but reflects them.

9. Assertion (A): There is no vaccine for AIDS.
Reason (R): The AIDS virus changes it’s genetic code.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

A vaccine contains the inactivated germs of the disease. But AIDS virus changes its genetic code and so no vaccine has been invented for it..

10. Assertion (A): Clothes are not washed properly in hot water.
Reason (R): Hard water contains many minerals.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

Clothes are not washed properly in hard water because it doesn’t form lather with soap. However, it’s true that hard water contains many minerals.

11. Assertion (A): In India, females have higher life expectancy than the males.
Reason (R): Females receive a better diet.

Answer

Answer

Both A and R are false.

Explanation

Explanation

In India, due to high birth rate and due to neglect, females have lower life expectancy than the males and although females need a betterdiet, they don’t receive it.

12. Assertion (A): The Indian Constitution came into force with effect from 26th January, 1950
Reason (R): 26th January is celebrated as the Republic Day.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

The Indian Constitution came into force with effect from January 26, 1950 and since then this day is celebrated as the Republic Day.

13. Assertion (A): Appendix is a vestigial organ in human body.
Reason (R): It doesn’t participate in digestion.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Appendix, earlier used to digest raw vegetable matter, is now a vestigial organ in human body and does not perform any function.

14. Assertion (A): Himalayas once laid under the sea.
Reason (R): Fossils of marine creatures are traced on the Himalayas.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

Himalayas are the young fold mountains that at one time are believed to lie inside the Tethys Sea. This is evident from the recovery of fossils of marine creatures on it’s peaks.

15. Assertion (A): Shivaji developed the guerilla warfare.
Reason (R): Shivaji feared the Mughals.

Answer

Answer

A is true but R is false.

Explanation

Explanation

Shivaji initiated the guerilla warfare to defeat the Mughals but he did not fear them.

16. Assertion (A): Legumes revive the soil fertility.
Reason (R): Microbes in the root nodules of legumes fix the atmospheric nitrogen.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

The root nodules of leguminous plants contain nitrogen fixing bacteria which absorb the atmospheric nitrogen and convert it into nitrogenous compound useful for the plants reviving soil fertility.

17. Assertion (A): Cut fruits and vegetables should not be kept in open for long.
Reason (R): Their vitamin content is ruined.

Answer

Answer

Both A and R are true and R is the correct explanation of A.

Explanation

Explanation

When cut fruits and vegetables are kept in open, the vitamins in them get oxidized and remain of no use.

18. Assertion (A): The atom is neutral despite the charged particles in it.
Reason (R): The neutrons don’t have any charge.

Answer

Answer

Both A and R are true but R is not the correct explanation of A.

Explanation

Explanation

An atom contains the positively charged protons and an equal number of negatively charged electrons. So, it’s neutral. However, it’s true that neutrons in the nucleus of an atom are neutral.

19. Assertion (A): Baking soda creates acidity in the stomach.
Reason (R): Baking soda is alkaline.

Answer

Answer

A is false but R is true.

Explanation

Explanation

Baking soda, being alkaline, neutralizes the acidity in the stomach.

20. Assertion (A): Amoebiasis is an occupational disease.
Reason (R): Amoebiasis is caused by inhalation of asbestos dust.

Answer

Answer

Both A and R are false..

Explanation

Explanation

Amoebiasis is a microbial disease, caused by protozoa.
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