NEET Biology MCQs

Unit-Wise NEET Biology MCQs

NEET (National Eligibility cum Entrance Test) is a national level entrance exam for candidates who aspire to pursue a career in the medical field. It is an offline test where students are required to mark the correct answers to multiple-choice questions. Notably, there are three sections – Physics, Chemistry and Biology, among which the total number of NEET Biology MCQ is 90.

The subject Biology is especially emphasized on owing to its direct relation to the medical field. You must note that it consists of various diagrams, descriptions, definitions, etc. which must be learnt by heart. Below-mentioned are a few samples of NEET Biology MCQ chapter wise that will assist you in preparing for the same.

  • Living World

1. For Catla catla fish, specific names are similar to generic names. Hence, this is an example of:

a) Autonym  b) Tautonym  c) Phylum  d) Species

2. Which of the following statements is not true for Archaebacteria?

  1. Archaebacteria is the earliest living organism which lived without oxygen. Hence they are counted as living fossils.

  2. These organisms can sustain themselves in harsh places like salty areas (Halophiles), marshy areas (Methanogens), and hot springs (Thermoacidophiles).

  3. Due to different structures of cell walls, Archaebacteria can live in various environmental conditions.

  4. Methanogens exist in herbivorous animals’ guts.

  • Ecology

3. An alliance between two or more than two species, where both of them get benefit is called:

a) Mutualism  b) Cooperation  c) Commensalism  d) Symbiosis

4. What is wildlife?

  1. All fauna of reserve forests.

  2. All flora and fauna of reserve forests.

  3. Organisms of reserve forests who possess a backbone.

  4. All biota without including man, crops and domestic animals.

  • Biotechnology

5. Who discovered restriction enzymes?

a) Berg  b) Smith and Nathans  c) Alexander Fleming  d) None of these

6. To get protection from viruses, bacteria fragments viral DNA with which of the following?

a) Exonuclease  b) Gyrase  c) Ligase  d) Endonuclease

  • Human Welfare Biology

7. Which of the following is eradicated?

a) Smallpox  b) Poliomyelitis  c) Plague  d) Kala-azar

8. Wild plants must be conserved. Why?

  1. To sustain the ecosystem.

  2. TO feed wild animals.

  3. For future evolution.

  4. To integrate useful traits in upcoming varieties of crops.

9. High Biochemical Oxygen Demand value shows that:

  1. Water is uncontaminated.

  2. Water is highly contaminated or polluted.

  3. Water is mildly contaminated.

  4. Microbes consume high amounts of organic matter in water.

  • Genetics And Evolution

10. In the case of sickle cell anaemia, amino acid change in beta chain is in which position:

a) IX  b) X  c) VII  d) VI

11. Formation of DNA over RNA can be done through:

a) Gyrase  b) Helicase  c) Ligase  d) Reverse transcriptase

12. In the Mesozoic era, which one of these was presiding?

a) Birds  b) Pisces  c) Ruling reptiles  d) Ruling mammals

  • Reproduction

13. What is the fusion of dissimilar gametes known as?

a) Dichogamy  b) Autogamy  c) Fertilisation  d) Allogamy

14. Morphogenetic movement entails:

  1. Cell differentiation.

  2. Motion of large cell masses.

  3. Motion of small cell masses.

  4. Motion of organs.

15. The advantage of cross-pollination is:

a) Genetic recombination  b) Mutation  c) Polyploidy formation  d) Crossing over

  • Human Physiology

16. In the human stomach, what is released by oxyntic cells?

a) Mucus  b) HCL  c) Pepsin  d) Rennin

17. Thoracic duct is related to:

a) Hepatic duct  b) Innominate vein  c) Purkinje fibres  d) Aorta

18. Human spine is of which shape?

a) L shape  b) S shape  c) J shape  d) M shape

  • Plant Physiology

19. Which of the following is an outcome of aerobic respiration?

a) Ethyl alcohol  b) Pyruvic acid  c) Malic acid  d) Lactic acid

20. Which of the following are important micronutrients?

  1. Generated by enzymes.

  2. Absorbed from soil.

  3. Released by growth hormones.

  4. Produced during photosynthesis.

  • Structure And Function Of Cell

21. Meiosis is:

a) Reductional  b) Equational  c) Double division  d) All of these

22. Nuclear spindle consists of how many fibres?

a) Two  b) Four  c) One  d) Three

  • Plant’s Organisational Structure          

23. Haversian canals exist in:

a) Clavicle  b) Humerus  c) Pubis  d) Scapula

24. Earthworm’s blood is:

  1. Red in colour because of dissolved haemoglobin in the corpuscle.

  2. Blue because of dissolved haemocyanin in the corpuscle.

  3. Red because of dissolved haemoglobin in plasma.

  4. Blue in colour because of dissolved haemocyanin in plasma.

25. Arrangement of vascular bundles in the form of ring is found on whose stem:

a) Rice  b) Gram  c) Wheat  d) Maize

Please note, the answers of these MCQs are given in the following table.

Ques.

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

Ans.

b

c

a

d

b

d

a

d

b

d

d

c

c

Ques.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.


Ans.

c

a

b

b

b

c

b

d

d

b

c

b



These questions can provide you with an idea of the types of questions you can expect in your NEET.

Discipline and Planning are the Key to Success

As an aspiring student, you must be thorough with the whole syllabus. To attain a good rank in your NEET, you must achieve a commendable score. To that effect, you must know every chapter in their entirety. Missing out on chapters and topics can turn out to be detrimental for your NEET Biology MCQ, as well as those of other subjects.

Consequently, students must also consult with the recommended NEET MCQ books for better scores and subsequently, better ranks. However, in this process do not forget to look after your personal health. Eating healthy food and taking adequate breaks are also important.

FAQ (Frequently Asked Questions)

1. Which NEET MCQ books are appropriate for the biology section?

Ans. Some of the best NEET biology MCQ books include NCERT Biology for standard XI and standard XII, Dinesh’s Objective Biology, Both volumes 1 and 2 of Trueman’s Biology, Pradeep Publication’s Biology, etc.

2. How often do questions get repeated in NEET?

Ans. Questions are often repeated in the NEET. Consequently, candidates should thoroughly revise previous years’ question papers.

3. How many questions in the biology section are there from NCERT?

Ans. Fifty per cent of the total marks of NEET exam is for biology. Following the NCERT Biology is advisable for NEET, especially since it encapsulates the whole syllabus.

4. What is the necessary rank in NEET for MBBS?

Ans. A pupil belonging to the general category must obtain a minimum score of 50 percentile to be eligible for a seat in the MBBS course