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

+3

+5

-3

+1

2 / 30

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

0.5

Infinity

Zero

Unity (1)

3 / 30

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

To lower the melting point and increase conductivity.

To prevent the anode from burning.

To oxidize the alumina.

To act as a catalyst.

4 / 30

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

Neoprene

Chloroprene

Isoprene

Butadiene

5 / 30

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

Vitamin B1

Vitamin B12

Vitamin K

Vitamin C

6 / 30

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

Mitochondria

Golgi complex

Lysosomes

Ribosomes

7 / 30

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

CH3Cl and AlCl3

KMnO4

CHCl3 and aqueous NaOH

CO2 and NaOH

8 / 30

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

2 Diopters

-5 Diopters

0.05 Diopters

5 Diopters

9 / 30

9. Which compound will exhibit the highest boiling point?

CH3OCH2CH3

CH3CH2CH2OH

CH3CH2CHO

CH3CH2CH2CH3

10 / 30

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

Be halved.

Become four times.

Become double.

Remain the same.

11 / 30

11. 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?

5K

4K

2.5K

3K

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 is the most stable carbocation?

CH3+

(CH3)2CH+

CH3CH2+

(CH3)3C+

14 / 30

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

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 secondary nucleus.

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 synergid.

15 / 30

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

Bone marrow

Liver

Spleen

Kidney

16 / 30

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

12.27 Å

122.7 Å

1.227 Å

0.1227 Å

17 / 30

17. 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/R

2v²/πR

Zero

v²/πR

18 / 30

18. 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 remains same, and chromosome number doubles.

DNA content doubles, and chromosome number remains same.

DNA content doubles, and chromosome number doubles.

DNA content halves, and chromosome number remains same.

19 / 30

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

Insulin

Estrogen

Thyroxine

Adrenaline

20 / 30

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

Lungs

Kidneys

Vermiform appendix

Heart

21 / 30

21. 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

22 / 30

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

NH3 < CH4 < HF < H2O

HF < H2O < NH3 < CH4

CH4 < NH3 < H2O < HF

H2O < HF < NH3 < CH4

23 / 30

23. Which element has the highest electronegativity?

Chlorine

Oxygen

Nitrogen

Fluorine

24 / 30

24. Which hybridization is found in the XeF4 molecule?

sp³d²

sp³d

dsp²

sp³

25 / 30

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

Pyramid of Number

Pyramid of Productivity

Pyramid of Energy

Pyramid of Biomass

26 / 30

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

h/4

h/2

2h

h

27 / 30

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

It first increases then decreases.

It increases.

It decreases.

It remains constant.

28 / 30

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

Bronchi

Bronchioles

Alveoli

Trachea

29 / 30

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

Enthalpy

Entropy

Internal energy

Specific heat capacity

30 / 30

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

Monohybrid cross

Back cross

Test cross

Dihybrid cross

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