NEET Mock Test 1

Subject Coverage: Features a balanced 30-question set covering 10 questions each for Biology, Physics, and Chemistry.
Interactive Learning: Provides instant feedback with detailed rationales and strategic hints for every question.
Exam Readiness: Designed to improve speed, accuracy, and application skills for the medical entrance exam.
Level of Difficulty: Curated to match the current NEET-UG pattern and difficulty level.

1 / 30

1. A body of mass m is taken from Earth's surface to a height equal to radius R. The change in potential energy is:

mgR

1/4 mgR

2mgR

1/2 mgR

2 / 30

2. Which of the following is a 'monomer' of Natural Rubber?

Chloroprene

Butadiene

Neoprene

Isoprene

3 / 30

3. Which reagent is used in the Reimer-Tiemann reaction to convert phenol to salicylaldehyde?

CHCl3 and aqueous NaOH

CO2 and NaOH

KMnO4

CH3Cl and AlCl3

4 / 30

4. Mendel's 'Law of Independent Assortment' can be best studied using which of the following?

Dihybrid cross

Test cross

Back cross

Monohybrid cross

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5. In an LCR series circuit, at resonance, what is the value of the power factor?

0.5

Unity (1)

Infinity

Zero

6 / 30

6. The magnetic field at the center of a circular coil of radius r carrying current I is B. If radius is doubled and current is halved, the new field is:

B

B/2

B/4

4B

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7. A particle moves in a circle of radius R with a constant speed v. What is the magnitude of the average acceleration over a time interval of πR/2v?

v²/πR

Zero

2v²/πR

v²/R

8 / 30

8. The threshold frequency for a metal is f₀. When light of frequency 2f₀ is incident on the metal, the max kinetic energy is K. If frequency is 5f₀, what is the new max kinetic energy?

2.5K

4K

3K

5K

9 / 30

9. A capillary tube of radius r is immersed in water (height h). If radius is doubled, the new height is:

h/4

h/2

h

2h

10 / 30

10. In the human respiratory system, where does the actual diffusion of gases (O2 and CO2) take place?

Trachea

Bronchi

Alveoli

Bronchioles

11 / 30

11. The focal length of a convex lens is 20 cm. What is its power?

0.05 Diopters

-5 Diopters

5 Diopters

2 Diopters

12 / 30

12. In Young's double slit experiment, if slit distance (d) is halved and screen distance (D) is doubled, the fringe width (β) will:

Become four times.

Become double.

Be halved.

Remain the same.

13 / 30

13. Deficiency of which vitamin causes 'Pernicious Anemia'?

Vitamin C

Vitamin B1

Vitamin B12

Vitamin K

14 / 30

14. Which of the following is an example of a 'vestigial organ' in humans?

Heart

Vermiform appendix

Kidneys

Lungs

15 / 30

15. What is the correct order of increasing acidic strength?

CH4 < NH3 < H2O < HF

HF < H2O < NH3 < CH4

NH3 < CH4 < HF < H2O

H2O < HF < NH3 < CH4

16 / 30

16. What is the de Broglie wavelength of an electron accelerated through a potential of 100V?

122.7 Å

0.1227 Å

1.227 Å

12.27 Å

17 / 30

17. In the Hall-Héroult process (Aluminum extraction), what is the role of cryolite (Na3AlF6)?

To act as a catalyst.

To prevent the anode from burning.

To lower the melting point and increase conductivity.

To oxidize the alumina.

18 / 30

18. Which cell organelle is known as the 'suicidal bag' of the cell?

Mitochondria

Lysosomes

Ribosomes

Golgi complex

19 / 30

19. Which compound will exhibit the highest boiling point?

CH3OCH2CH3

CH3CH2CHO

CH3CH2CH2CH3

CH3CH2CH2OH

20 / 30

20. Which hormone is responsible for the 'fight or flight' response in humans?

Thyroxine

Adrenaline

Estrogen

Insulin

21 / 30

21. Which of the following processes in flowering plants involves a 'double fertilization' event?

Fusion of one male gamete with the egg and another with the secondary nucleus.

Fusion of one male gamete with the egg and another with the synergid.

Fusion of two male gametes with two different eggs in the same embryo sac.

Fusion of one male gamete with the egg and the other with the antipodal cells.

22 / 30

22. Which of the following is the most stable carbocation?

(CH3)3C+

(CH3)2CH+

CH3CH2+

CH3+

23 / 30

23. Which element has the highest electronegativity?

Chlorine

Fluorine

Oxygen

Nitrogen

24 / 30

24. Which of the following is an intensive property of a thermodynamic system?

Internal energy

Entropy

Enthalpy

Specific heat capacity

25 / 30

25. In a p-n junction diode, what happens to the width of the depletion layer under reverse bias?

It decreases.

It increases.

It remains constant.

It first increases then decreases.

26 / 30

26. What is the oxidation state of Phosphorus in H3PO2 (Hypophosphorous acid)?

+1

-3

+5

+3

27 / 30

27. Which of the following ecological pyramids is 'always' upright?

Pyramid of Number

Pyramid of Energy

Pyramid of Biomass

Pyramid of Productivity

28 / 30

28. The hormone 'Erythropoietin', which stimulates RBC production, is primarily secreted by:

Bone marrow

Liver

Kidney

Spleen

29 / 30

29. During the 'S' phase of the cell cycle, what is the status of the DNA content and chromosome number in a diploid cell?

DNA content halves, and chromosome number remains same.

DNA content doubles, and chromosome number remains same.

DNA content remains same, and chromosome number doubles.

DNA content doubles, and chromosome number doubles.

30 / 30

30. Which hybridization is found in the XeF4 molecule?

sp³

sp³d

sp³d²

dsp²

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