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

Liver

Bone marrow

Kidney

Spleen

2 / 30

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

Trachea

Alveoli

Bronchi

Bronchioles

3 / 30

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

CHCl3 and aqueous NaOH

KMnO4

CO2 and NaOH

CH3Cl and AlCl3

4 / 30

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

0.1227 Å

1.227 Å

12.27 Å

122.7 Å

5 / 30

5. 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.

Be halved.

Remain the same.

Become double.

6 / 30

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

Infinity

Unity (1)

Zero

0.5

7 / 30

7. 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 doubles.

DNA content doubles, and chromosome number remains same.

DNA content remains same, and chromosome number doubles.

8 / 30

8. Which hybridization is found in the XeF4 molecule?

sp³

sp³d²

dsp²

sp³d

9 / 30

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

Heart

Kidneys

Vermiform appendix

Lungs

10 / 30

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

+3

+1

+5

-3

11 / 30

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

Vitamin B1

Vitamin K

Vitamin C

Vitamin B12

12 / 30

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

1/4 mgR

2mgR

1/2 mgR

mgR

13 / 30

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

Pyramid of Number

Pyramid of Energy

Pyramid of Biomass

Pyramid of Productivity

14 / 30

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

Estrogen

Adrenaline

Thyroxine

Insulin

15 / 30

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

(CH3)3C+

CH3+

CH3CH2+

(CH3)2CH+

16 / 30

16. Which element has the highest electronegativity?

Oxygen

Fluorine

Nitrogen

Chlorine

17 / 30

17. 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

3K

4K

5K

18 / 30

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

Chloroprene

Isoprene

Butadiene

Neoprene

19 / 30

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

Mitochondria

Ribosomes

Lysosomes

Golgi complex

20 / 30

20. Which compound will exhibit the highest boiling point?

CH3CH2CH2CH3

CH3OCH2CH3

CH3CH2CH2OH

CH3CH2CHO

21 / 30

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

CH4 < NH3 < H2O < HF

H2O < HF < NH3 < CH4

NH3 < CH4 < HF < H2O

HF < H2O < NH3 < CH4

22 / 30

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

h/4

2h

h/2

h

23 / 30

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

0.05 Diopters

2 Diopters

5 Diopters

-5 Diopters

24 / 30

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

Entropy

Internal energy

Specific heat capacity

Enthalpy

25 / 30

25. 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 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.

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

26 / 30

26. 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/2

B/4

4B

B

27 / 30

27. 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.

28 / 30

28. 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?

2v²/πR

v²/R

v²/πR

Zero

29 / 30

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

To oxidize the alumina.

To act as a catalyst.

To prevent the anode from burning.

To lower the melting point and increase conductivity.

30 / 30

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

Test cross

Monohybrid cross

Back cross

Dihybrid cross

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