Olete.in – MCQs, Mock Tests & Government Job Prep | TET TET sample paper Science MCQ

Which lens must be used in a spectacle to cure the hyper me logia defect of the eye?

1. Convex mirror
2. Convex lens
3. Concave lens
4. None of these

✅ Correct Answer: 2

The red rose seems red because:

1. It reflects every colour
2. It does not reflect any colour
3. It absorbs red in colour
4. It reflects a red colour

✅ Correct Answer: 4

Penicillin was first discovered by

1. Alexander Fleming
2. Antony van Leeuwenhoek
3. S. Waksman
4. Faraday

✅ Correct Answer: 1

The best medicine to inject into the snake bite case is

1. Penicillin
2. Antivenin
3. Terramycin
4. Streptomycin

✅ Correct Answer: 2

Which of the following is a useful organism?

1. Honey bee
2. Lac insect
3. Silkworm
4. All of the above

✅ Correct Answer: 4

On heating, the liquid is converted into a gaseous state. This process is called

1. Sublimation
2. Evaporation
3. Diffusion
4. Vapourisation

✅ Correct Answer: 4

The chemical formula of a compound represents

1. The total number of atoms in a molecule of the compound
2. The number of various atoms in one molecule of the compound
3. The composition of a molecule of the compound
4. All of the above

✅ Correct Answer: 4

The main source of protons are:

1. Cereals
2. Fruits and vegetables
3. Oils
4. Soybean

✅ Correct Answer: 4

The father of the green revolution in India is:

1. Menaka Gandhi
2. R.S Aggarwal
3. M.S. Swaminathan
4. Santosh Yadav

✅ Correct Answer: 3

Which of the following process does not replenish the soil with nutrients?

1. Manuring
2. Crop rotation
3. Use of fertilizers
4. Ploughing

✅ Correct Answer: 4

Who is known as the ‘Father of Biology’?

1. Faranday
2. Darwin
3. Aristotle
4. Robert hook

✅ Correct Answer: 3

The correct sequence of taxonomic categories is

1. Division – family – class – order – genus – species
2. Division – class – order – family – genus – species
3. Phylum – order – class – family – genus – species
4. Class – order – phylum – genus – family – species

✅ Correct Answer: 2

Which of the following is not a Kharif crop?

1. Wheat (b) (c)
2. Clover
3. Legumes
4. All of the above

✅ Correct Answer: 4

Which lens must be used in a spectacle to cure the hyper me logia defect of an eye?

1. Convex mirror
2. Convex lens
3. Concave lens
4. None of These

✅ Correct Answer: 2

Cholesterol is related to

1. Fats
2. Starch
3. Molases
4. Vitamin C

✅ Correct Answer: 1

The state in which molecular attractions are very least is

1. Solid
2. Liquid
3. Gas
4. All of the above

✅ Correct Answer: 3

Intermolecular space is the maximum in

1. Water (b) (c)
2. Steam
3. Ice
4. All of the above

✅ Correct Answer: 2

The process of converting solid into liquid on heating called

1. Evaporation
2. Condensation
3. Diffusion
4. Sublimation

✅ Correct Answer: 4

Which of the following is not a chemical change?

1. Rusting of iron
2. Converting water into ice
3. Marking curd from milk
4. Burning of paper

✅ Correct Answer: 2

In a balanced chemical equation, the reactant side and the product side have the same number of

1. Atoms
2. Neutrons
3. Protons
4. Electrons

✅ Correct Answer: 1

Balanced diet should have

1. Protein 2/5, fat 3/5, carbohydrate 1/5
2. Protein 3/5, fat 1/5, carbohydrate 2/5
3. Protein 1/5, fat 1/5, carbohydrate 3/5
4. Protein 1/2, fat ¾, carbohydrate 1/4

✅ Correct Answer: 3

Which of the following statements about a balanced chemical equation is not true?

1. Mass is conserved only
2. Atoms are conserved only
3. Molecules are conserved only
4. All of the above

✅ Correct Answer: 4

Atomic theory was given by

1. John Dalton
2. Neils Bohr
3. E. Rutherford
4. J.J Thomson

✅ Correct Answer: 1

If we open a bottle of perfume, its smell spreads in the entire room within a short time due to the process of

1. Evaporation
2. Sublimation
3. Diffusion
4. Solution

✅ Correct Answer: 1

Which out of the following is a heterogeneous mixture?

1. Milk
2. Soil
3. Smoke
4. All of the above

✅ Correct Answer: 4

Carbon dioxide is a compound because:

1. It exists as solid liquid and gas.
2. It contains hydrogen and oxygen.
3. It contains two different elements joined by chemical bonds.
4. It can be split up into simpler substance by chemical means

✅ Correct Answer: 3

Which of the following is neither an element nor a compound?

1. Saline water
2. Carbon dioxide
3. Mercury
4. Sodium chloride

✅ Correct Answer: 1

Atomicity of Aluminium is

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 1

The chemical formula of a compound containing 2 atoms of hydrogen and 1 atom of sulphur is

1. H2SO4
2. SO2
3. H2S
4. H2O

✅ Correct Answer: 3

When magnesium is burnt in air. It produces magnesium oxide. The correct chemical reaction is:

1. Mg +O2 ®MgO
2. 2 2Mg +O ®2MgO
3. 2Mg + 2O®2MgO
4. 2 Mg2 +O ®2MgO

✅ Correct Answer: 2

Marasmus is likely in children who get

1. Low – iron diet
2. Low diet
3. Low – fat diet
4. Low – protein diet

✅ Correct Answer: 2

Citrus fruit is a source of

1. Vitamin B
2. Vitamin C
3. Iodine
4. Vitamin A

✅ Correct Answer: 2

Calcium deficiency occurs in the absence of vitamin

1. D
2. K
3. C
4. A

✅ Correct Answer: 1

Which of the following sets includes the bacterial disease?

1. Diphtheria, SARS, Common Cold
2. Malaria, leprosy, Typhoid
3. Tetanus, Tuberculosis, Measles
4. Malaria, Mumps, Swine Flue

✅ Correct Answer: 3

Electrolyte used in the voltaic cell is:

1. Sulphuric acid
2. Phosphoric acid
3. Nitric acid
4. Carbonic acid

✅ Correct Answer: 1

Three resistances of 20 W, 15W and 20W are connected in series, the equivalent resistance will be:

1. 45W
2. 60W
3. 25W
4. 55W

✅ Correct Answer: 4

The resistance of a conductor ____ with rise in the temperature.

1. Increases
2. Decreases
3. Remains the same
4. First increases then decreases

✅ Correct Answer: 1

The wire having a black plastic covering is a

1. Live wire
2. Neutral wire
3. Earth wire
4. None of These

✅ Correct Answer: 2

Electromagnets are used in

1. Electric bells
2. Telephones
3. Dynamos
4. None of These

✅ Correct Answer: 1

Which of the following diseases is caused by a virus?

1. Dysentery
2. T.B
3. Influenza
4. Malaria

✅ Correct Answer: 3

Which of the following animals has a gall bladder?

1. Lion
2. Dog
3. Human
4. All of these

✅ Correct Answer: 4

Sodium chloride is a salt of

1. Weak acid and a weak base
2. Weak acid and strong base
3. Strong acid and a strong base
4. Strong acid and a weak base

✅ Correct Answer: 3

Which of the following is not an acidic salt?

1. CuSO4
2. MgCO3
3. ZnSO4
4. NH4NO3

✅ Correct Answer: 2

Germs entering the body through food are mainly killed in the region of alimentary the canal where pH may reach the level

1. 2
2. 3
3. 9
4. Infinity

✅ Correct Answer: 1

The canine tooth is meant for

1. Biting and cutting
2. Chewing
3. Tearing
4. Grinding

✅ Correct Answer: 3

The experiment which led to the discovery of proton was performed by

1. Goldstein
2. J.J Thomson
3. Dalton
4. Rutherford

✅ Correct Answer: 1

An element has electronic configuration 2,8,3. It will be classified as

1. Metal
2. Non-metal
3. Metalloid
4. None of these

✅ Correct Answer: 1

Which of the following is not a mineral acid?

1. HCl
2. H2SO4
3. HNO3
4. CH3COOH

✅ Correct Answer: 4

Which of the following acids is present in lemon?

1. Glycolic acid
2. Lactic acid
3. Citrus acid
4. Tartaric acid

✅ Correct Answer: 3

Which of the following is not an organic acid?

1. Tartaric acid
2. Oxalic acid
3. Ascorbic acid
4. Sulphuric acid

✅ Correct Answer: 4