Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2025
Which one among the following is not a plant hormone ?
- A Gibberellins
- B Abscisic acid
- C Auxins
- D Thyroxine ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
CDS2021
A student was doing an experiment on increasing the cell division among plants. She asked her supervisor to suggest the specific plant hormone for the same. Had you been her supervisor, which plant hormone would you suggest?
- A Abscisic acid
- B Gibberellins
- C Cytokinin ✓
- D Auxin
✓ Correct answer: (C)
Science & Technology › Biology & Health
CDS2017
The plant growth regulators are small, simple molecules of diverse chemical composition. They are
- A carbohydrates, fats and proteins
- B indole compounds, adenine derivatives, carotenoids and terpenes ✓
- C fatty acids, glucose and vitamins
- D vitamin C, vitamin D and glucose
✓ Correct answer: (B)
Science & Technology › Biology & Health
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