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

It first increases then decreases.

It decreases.

It remains constant.

It increases.

2 / 30

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

Golgi complex

Mitochondria

Lysosomes

Ribosomes

3 / 30

3. Which compound will exhibit the highest boiling point?

CH3CH2CHO

CH3CH2CH2CH3

CH3CH2CH2OH

CH3OCH2CH3

4 / 30

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

0.5

Zero

Infinity

Unity (1)

5 / 30

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

0.1227 Å

122.7 Å

12.27 Å

1.227 Å

6 / 30

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

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.

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

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

7 / 30

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

To act as a catalyst.

To lower the melting point and increase conductivity.

To oxidize the alumina.

To prevent the anode from burning.

8 / 30

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

Thyroxine

Estrogen

Insulin

Adrenaline

9 / 30

9. 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

10 / 30

10. 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.

11 / 30

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

Remain the same.

Be halved.

Become double.

Become four times.

12 / 30

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

Bronchioles

Alveoli

Bronchi

Trachea

13 / 30

13. 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?

4K

5K

2.5K

3K

14 / 30

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

Specific heat capacity

Internal energy

Entropy

Enthalpy

15 / 30

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

CH4 < NH3 < H2O < HF

NH3 < CH4 < HF < H2O

HF < H2O < NH3 < CH4

H2O < HF < NH3 < CH4

16 / 30

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

Spleen

Bone marrow

Liver

Kidney

17 / 30

17. Which element has the highest electronegativity?

Fluorine

Chlorine

Oxygen

Nitrogen

18 / 30

18. 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

B/4

4B

19 / 30

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

Test cross

Back cross

Monohybrid cross

Dihybrid cross

20 / 30

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

h/4

h

h/2

2h

21 / 30

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

CO2 and NaOH

CH3Cl and AlCl3

CHCl3 and aqueous NaOH

KMnO4

22 / 30

22. 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

v²/R

2v²/πR

23 / 30

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

(CH3)2CH+

(CH3)3C+

CH3CH2+

CH3+

24 / 30

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

2 Diopters

0.05 Diopters

-5 Diopters

5 Diopters

25 / 30

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

Pyramid of Productivity

Pyramid of Biomass

Pyramid of Number

Pyramid of Energy

26 / 30

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

Heart

Vermiform appendix

Kidneys

Lungs

27 / 30

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

Neoprene

Isoprene

Butadiene

Chloroprene

28 / 30

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

Vitamin C

Vitamin B12

Vitamin B1

Vitamin K

29 / 30

29. Which hybridization is found in the XeF4 molecule?

sp³d

sp³

dsp²

sp³d²

30 / 30

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

+5

+1

+3

-3

Your score is

The average score is 23%

0%

Exit

Share with friends