Botany MCQs
Ace NEET, CSS, UPSC, PMS, PPSC, and NTS exams with Botany MCQs focused on plant physiology, reproduction, taxonomy, and ecology. Gain a solid foundation to excel in biology and competitive exams.
Q: Cytoplasmic streaming occurs in
A) Parenchyma cells
B) Xylem vessels
C) Phloem cells
D) Sclerenchyma
✅ Correct Answer: A
Explanation: Cytoplasmic streaming helps transport substances.
Q: In flowering plants, fertilization occurs in
A) Ovule
B) Ovary
C) Anther
D) Stigma
✅ Correct Answer: A
Explanation: Fertilization happens inside the ovule.
Q: Plant that completes life cycle in two years
A) Annual
B) Biennial
C) Perennial
D) Ephemeral
✅ Correct Answer: B
Explanation: Biennials grow vegetatively then flower in second year.
Q: Example of a C3 plant
A) Maize
B) Sugarcane
C) Wheat
D) Pineapple
✅ Correct Answer: C
Explanation: Wheat uses the C3 photosynthetic pathway.
Q: Guard cells contain
A) Chloroplasts
B) Mitochondria only
C) None
D) Vacuoles
✅ Correct Answer: A
Explanation: Guard cells have chloroplasts for energy.