EASY
Earn 100

Describe autogamy and allogamy. 

Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM
Which of the following plants shows a very close relationship with a species of moth, where none of the two can complete their life cycle without the other?
EASY
Dichogamy and herkogamy are the important devices or modifications to prevent one of the following:
HARD

Define pollination. Explain different types of self and cross pollination with suitable examples.

EASY
Which of the following is incorrect for wind-pollinated plants?
EASY
Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by
EASY
Which of the following species makes the largest true flower in the world?
MEDIUM
A versatile anther is an adaptation for _____ type of pollination.
MEDIUM
Which of the following aquatic plant does not show pollination by water?
MEDIUM
Identify the correct order of events in pollen-pistil interaction from the options given below:
I. Release of male gametes into the embryo sac.
II. Deposition of pollen grains on stigma.
III. Entry of pollen tube into embryo sac.
IV. Development of pollen tube.
V. Entry of pollen tube into the Ovule.
EASY
Which one of the following may require pollinators, but is genetically similar to autogamy?
EASY
When pollen grains are transferred from anther to the stigma of another flower produced on the same plant, it is called.
EASY
Which of the following are the important floral rewards to the animal pollinators?
EASY
Which one of the following is NOT true about cross pollination?
EASY
Assertion (A) : Sometimes Fig fruits are seen with eggs of the insects.
Reason (R) : In Fig plants, pollination takes place by Blastophaga.
The correct option among the following is:
EASY
The term used for transfer of pollen grains from anthers of one plant to stigma of a different plant which, during pollination, brings genetically different types of pollen grains to stigma, is
EASY
In water hyacinth and water lily, pollination takes place by:
EASY
Pollination in water hyacinth and water lily is brought about by the agency of:
MEDIUM
Which of the following statements is not correct?