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. 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 the other with the antipodal cells.

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.

2 / 30

2. 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.

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 act as a catalyst.

To oxidize the alumina.

4 / 30

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

Trachea

Bronchioles

Alveoli

Bronchi

5 / 30

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

Kidneys

Heart

Lungs

Vermiform appendix

6 / 30

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

KMnO4

CH3Cl and AlCl3

CO2 and NaOH

CHCl3 and aqueous NaOH

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 remains same, and chromosome number doubles.

DNA content doubles, and chromosome number doubles.

DNA content halves, and chromosome number remains same.

DNA content doubles, and chromosome number remains same.

8 / 30

8. Which hybridization is found in the XeF4 molecule?

sp³

sp³d²

dsp²

sp³d

9 / 30

9. 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

4B

B

B/4

10 / 30

10. Which compound will exhibit the highest boiling point?

CH3OCH2CH3

CH3CH2CH2OH

CH3CH2CHO

CH3CH2CH2CH3

11 / 30

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

Lysosomes

Golgi complex

Mitochondria

Ribosomes

12 / 30

12. 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

13 / 30

13. Which element has the highest electronegativity?

Oxygen

Chlorine

Nitrogen

Fluorine

14 / 30

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

0.1227 Å

12.27 Å

122.7 Å

1.227 Å

15 / 30

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

Infinity

Unity (1)

Zero

0.5

16 / 30

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

Butadiene

Chloroprene

Neoprene

Isoprene

17 / 30

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

Vitamin C

Vitamin B12

Vitamin K

Vitamin B1

18 / 30

18. 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

1/2 mgR

1/4 mgR

2mgR

19 / 30

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

Monohybrid cross

Back cross

Dihybrid cross

Test cross

20 / 30

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

+1

+3

-3

+5

21 / 30

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

CH3+

(CH3)3C+

CH3CH2+

(CH3)2CH+

22 / 30

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

Adrenaline

Insulin

Thyroxine

Estrogen

23 / 30

23. 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

24 / 30

24. 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?

Zero

v²/R

2v²/πR

v²/πR

25 / 30

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

Kidney

Liver

Spleen

Bone marrow

26 / 30

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

Internal energy

Enthalpy

Specific heat capacity

Entropy

27 / 30

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

5 Diopters

0.05 Diopters

2 Diopters

-5 Diopters

28 / 30

28. 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

3K

2.5K

5K

29 / 30

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

Pyramid of Productivity

Pyramid of Number

Pyramid of Biomass

Pyramid of Energy

30 / 30

30. 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.

Remain the same.

Become double.

Your score is

The average score is 23%

0%

Exit

Share with friends