PET Practice Set 8

Which of the following is NOT a chemical change?

1. A.Burning of coal
2. B.Digestion of food
3. C.Burning of paper
4. D.Conversion of water into steam✓

Correct answer: D

The element common to all acids is:

1. A.Oxygen
2. B.Hydrogen✓
3. C.Carbon
4. D.Sulphur

Correct answer: B

The sour taste of lemon is due to:

1. A.Citric acid✓
2. B.Acetic acid
3. C.Oxalic acid
4. D.Formic acid

Correct answer: A

The chemical name of bleaching powder is:

1. A.Calcium sulphate
2. B.Calcium oxychloride✓
3. C.Sodium bicarbonate
4. D.Sodium chloride

Correct answer: B

The percentage of pure gold in 18-carat gold is:

1. A.60%
2. B.75%✓
3. C.80%
4. D.100%

Correct answer: B

Non-stick cooking utensils are coated with:

1. A.Polythene
2. B.Teflon✓
3. C.PVC
4. D.Bakelite

Correct answer: B

The metal used in the filament of an electric bulb is:

1. A.Copper
2. B.Iron
3. C.Tungsten✓
4. D.Aluminium

Correct answer: C

Which gas is known as "laughing gas"?

1. A.Carbon dioxide
2. B.Nitrous oxide✓
3. C.Sulphur dioxide
4. D.Carbon monoxide

Correct answer: B

Baking soda is chemically known as:

1. A.Sodium carbonate
2. B.Sodium bicarbonate✓
3. C.Sodium chloride
4. D.Sodium hydroxide

Correct answer: B

The hardest natural substance is:

1. A.Gold
2. B.Iron
3. C.Diamond✓
4. D.Platinum

Correct answer: C

Rusting of iron requires:

1. A.Only oxygen
2. B.Only water
3. C.Both oxygen and water (moisture)✓
4. D.Carbon dioxide

Correct answer: C

The upper layer of the skin is called:

1. A.Endodermis
2. B.Epidermis✓
3. C.Dermis
4. D.Hypodermis

Correct answer: B

Plant cell wall is mainly made up of:

1. A.Glucose
2. B.Cellulose✓
3. C.Sucrose
4. D.Fructose

Correct answer: B

Carcinogenic chemicals cause:

1. A.Heart diseases
2. B.Diabetes
3. C.Cancer✓
4. D.Asthma

Correct answer: C

Orange contains an abundance of:

1. A.Vitamin C✓
2. B.Vitamin A
3. C.Vitamin B
4. D.Vitamin D

Correct answer: A

Excessive secretion of the pituitary gland in children leads to:

1. A.Increased height (gigantism)✓
2. B.Retarded growth
3. C.Weakening of bones
4. D.Diabetes

Correct answer: A

Alum is used in purification of drinking water for:

1. A.Coagulation of mud particles✓
2. B.Killing bacteria
3. C.Removing dissolved salts
4. D.Removing dissolved gases

Correct answer: A

The basic unit of life is:

1. A.Tissue
2. B.Organ
3. C.Cell✓
4. D.Atom

Correct answer: C

Which vitamin is produced in the human body by sunlight?

1. A.Vitamin A
2. B.Vitamin B
3. C.Vitamin C
4. D.Vitamin D✓

Correct answer: D

Night blindness is caused by deficiency of:

1. A.Vitamin A✓
2. B.Vitamin B
3. C.Vitamin C
4. D.Vitamin D

Correct answer: A

The largest organ of the human body is:

1. A.Liver
2. B.Heart
3. C.Skin✓
4. D.Brain

Correct answer: C

Which blood group is known as the "universal donor"?

1. A.A
2. B.B
3. C.AB
4. D.O✓

Correct answer: D

Photosynthesis takes place in which part of the plant?

1. A.Root
2. B.Stem
3. C.Leaf✓
4. D.Flower

Correct answer: C

Malaria is caused by:

1. A.Virus
2. B.Bacteria
3. C.Protozoa (Plasmodium)✓
4. D.Fungus

Correct answer: C

The powerhouse of the cell is:

1. A.Nucleus
2. B.Mitochondria✓
3. C.Ribosome
4. D.Golgi body

Correct answer: B

The Planning Commission of India was replaced by:

1. A.Finance Commission
2. B.NITI Aayog✓
3. C.National Development Council
4. D.Economic Advisory Council

Correct answer: B

NITI Aayog was established in which year?

1. A.2014
2. B.2015✓
3. C.2016
4. D.2017

Correct answer: B

The first Five Year Plan of India was based on the model of:

1. A.P.C. Mahalanobis
2. B.Harrod-Domar✓
3. C.Vakil and Brahmananda
4. D.Input-Output model

Correct answer: B

The second Five Year Plan laid emphasis on:

1. A.Agriculture
2. B.Heavy industrialization✓
3. C.Export promotion
4. D.Poverty alleviation

Correct answer: B

Who is the Chairperson of NITI Aayog?

1. A.President of India
2. B.Prime Minister of India✓
3. C.Finance Minister
4. D.Vice President of India

Correct answer: B