NEET UG Sample Paper 1

A projectile is fired at an angle of 45° with the horizontal with speed 20 m/s. The maximum height reached is (g = 10 m/s²):

1. A.5 m
2. B.10 m✓
3. C.15 m
4. D.20 m

Correct answer: B

A body of mass 1 kg falls freely from a height of 5 m. Its kinetic energy just before hitting the ground is (g = 10 m/s²):

1. A.25 J
2. B.50 J✓
3. C.75 J
4. D.100 J

Correct answer: B

The number of moles in 22 g of CO₂ (molar mass 44 g/mol) is:

1. A.0.25
2. B.0.5✓
3. C.1.0
4. D.2.0

Correct answer: B

Which of the following molecules has a linear shape?

1. A.H₂O
2. B.CO₂✓
3. C.NH₃
4. D.CH₄

Correct answer: B

Which cell organelle is known as the powerhouse of the cell?

1. A.Ribosome
2. B.Mitochondrion✓
3. C.Golgi apparatus
4. D.Lysosome

Correct answer: B

In a monohybrid cross between two heterozygous plants (Tt × Tt), the phenotypic ratio in the offspring is:

1. A.3 : 1✓
2. B.1 : 2 : 1
3. C.9 : 3 : 3 : 1
4. D.1 : 1

Correct answer: A

The primary CO₂ acceptor in C₃ plants is:

1. A.PEP
2. B.OAA
3. C.RuBP✓
4. D.PGA

Correct answer: C

The volume of air inspired or expired during a normal breath is called:

1. A.Tidal volume✓
2. B.Vital capacity
3. C.Residual volume
4. D.Inspiratory reserve volume

Correct answer: A

AIDS is caused by:

1. A.A bacterium
2. B.A retrovirus✓
3. C.A fungus
4. D.A protozoan

Correct answer: B

In an ecosystem, the flow of energy is:

1. A.Unidirectional✓
2. B.Bidirectional
3. C.Cyclic
4. D.Multidirectional

Correct answer: A

In eukaryotes, mRNA is synthesised by:

1. A.RNA polymerase I
2. B.RNA polymerase II✓
3. C.RNA polymerase III
4. D.DNA polymerase

Correct answer: B

The theory of evolution by natural selection was proposed by:

1. A.Lamarck
2. B.Charles Darwin✓
3. C.Hugo de Vries
4. D.Mendel

Correct answer: B