Sample questions
You've seen the pattern — here are a few of the actual PYQs.
NDA2023
In angiosperms, pollen grain germinates to produce two male gametes. Which one of the following functions is carried out by these gametes ?
- A Both the gametes fuse with a single egg cell
- B Both the gametes fuse with two different egg cells
- C One gamete fuses with the egg cell and the other one eventually degenerate
- D One gamete fuses with the egg cell and the other one fuses with a diploid secondary nucleus ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
NDA2023
Which one of the following is the correct sequence during sexual reproduction in Angiosperms ?
- A Egg → zygote → embryo → seed ✓
- B Embryo → egg → zygote → seed
- C Egg → embryo → zygote → seed
- D Egg → seed → zygote → embryo
✓ Correct answer: (A)
Science & Technology › Biology & Health
NDA2022
After fertilization, the fruit and the seed are produced by
- A ovule and ovary, respectively
- B ovary and ovule, respectively ✓
- C ovary, no ovule required
- D ovule, no ovary required
✓ Correct answer: (B)
Science & Technology › Biology & Health
Study how UPSC repeats — not just the papers
₹199 / 1 year · Founding Member
Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.
e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024
15 days free, no card required — then ₹199 for 1 year.
Start your 15-day free trial →