fertilization and post fertilization changes

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Intine refers to the

Intine refers to the
  • A. pollen tube germinating through style
  • B. inner wall of mature pollen grain
  • C. part connecting ovule with placenta
  • D. fruit chambers in zygote
  • Correct Answer: Option B

Micropyle is the

Micropyle is the
  • A. male gamete formed by generative nucleus
  • B. pollen tube formed through vegetative nucleus
  • C. opening in wall of ovule
  • D. enzyme secreted by pollen tube to dissolve stigma and style
  • Correct Answer: Option C

Exine refers to the

Exine refers to the
  • A. outer wall of mature pollen grain
  • B. pollen tube germinating through style
  • C. sticky material of stigma
  • D. lodicule of bracts
  • Correct Answer: Option A

Seeds may be

Seeds may be
  • A. endospermic
  • B. non-endospermic
  • C. ectospermic
  • D. both A and B
  • Correct Answer: Option D

Before fertilization, ovary has

Before fertilization, ovary has
  • A. one nucleus
  • B. two nuclei
  • C. three nuclei
  • D. more than four nuclei
  • Correct Answer: Option B