NDA · General Ability Test · UPSC · 2022–2025

Biology — NDA General Ability Test PYQs

49 questions from this chapter, asked in 4 NDA exams between 2022–2025.

49questions
4NDA exams
2022–2025years covered
1 / 4mark values asked

Questions asked per year

Practice questions

Q1MCQ20251 mark

The lactic acid that gets accumulated in the muscle cells during rigorous exercise causing muscle cramps is produced from

(A)ATP
(B)Pyruvate✓ Correct
(C)Ethanol
(D)Glucose
Q2MCQ20251 mark

A chain of peptide containing linear sequences of amino acid linked by peptide bonds best represent the

(A)Primary structure✓ Correct
(B)Secondary structure
(C)Tertiary structure
(D)Quaternary structure
Q3MCQ20251 mark

Cambium is an example of

(A)Lateral meristem✓ Correct
(B)Apical meristem
(C)Intercalary meristem
(D)Permanent tissue
Q4MCQ20251 mark

Which is the correct base pairing found in a normal DNA molecule?

(A)Adenine pairs with Thymine✓ Correct
(B)Adenine pairs with Guanine
(C)Adenine pairs with Cytosine
(D)Thymine pairs with Guanine
Q5MCQ20251 mark

Clotting of blood involves which one among the following clotting proteins?

(A)Pathogen
(B)Fibrinogen✓ Correct
(C)Macrophage
(D)Phagocytes
Q6MCQ20251 mark

Initial discovery of antibiotic penicillin was done by

(A)Francis Crick
(B)Maurice Wilkins
(C)Charles Darwin
(D)Alexander Fleming✓ Correct
Q7MCQ20251 mark

The vector of malaria parasites is

(A)Male Anopheles mosquito
(B)Male Culex mosquito
(C)Female Anopheles mosquito✓ Correct
(D)Female Culex mosquito
Q8MCQ20251 mark

Which of the following pairs is/are correctly matched?

  1. Malaria : Mycobacterium
  2. TB : Plasmodium

Select the answer using the code given below :

(A)1 only
(B)2 only
(C)Both 1 and 2
(D)Neither 1 nor 2✓ Correct
Q9MCQ20251 mark

Vitamin B1 is also known as

(A)Riboflavin
(B)Thiamin✓ Correct
(C)Retinol
(D)Tocopherol
Q10MCQ20244 marks

Which one among the following is the source of energy in cells ?

(A)ADP
(B)ATP✓ Correct
(C)AMP
(D)NAD

Why practise Biology PYQs?

Biology has appeared in 4 NDA General Ability Test exams we track between 2022–2025, with questions worth 1, 4 marks. UPSC examiners consistently reuse concepts and question patterns from this topic — practising its previous year questions is the most reliable way to know exactly what to expect in your exam.

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