Guest

Solved Examples on Sexual Reproduction in Flowering Plants

Question1: Both, autogamy and geitonogamy are prevented in [CBSE PMT’2012 S]

(a) Papaya

(b) Cucumber

(c) Castor

(d) Maize

Answer: a

Solution:

Papaya is dioecious i.e. male and female flowers occurs in separate plants so that it prevents both autogamy and geitonogamy (method of self pollination).

Get Chapter Test for this Topic

Question2: Wind pollination is common in [CBSE PMT’2011]

(a) Legumes

(b) Lilies

(c) Grasses

(d) Orchids

Answer: c

Solution:

Wind pollination is common in grasses. Grasses produce large amount of pollen which reach to opposite sex for reproduction by the help of wind.

Question3: In which one of the following pollination is autogamous? [CBSE PMT’2011]

(a) Geitonogamy

(b) Xenogamy

(c) Chasmogamy

(d) Cleistogamy

Answer: d

Solution:

Cleistogamy is autogamous pollination. When pollination and fertilization occur in unopened flower bud, it is known as cleistogamy. It ensures self-pollination and prevents cross-pollination.


TOP Your EXAMS!

Upto 50% Scholarship on Live Classes

Course Features

  • Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution

r