Home
Class 12
BIOLOGY
Autogamy can occur in a chasmogamous flo...

Autogamy can occur in a chasmogamous flower if

A

Pollen matures before maturity of ovule

B

Ovules mature before maturity of pollen

C

Both pollen and ovules mature simultaneously

D

Both anther and sigma are of equal lengths

Text Solution

Verified by Experts

The correct Answer is:
C

In a normal flower which opens and exposes the anthers and stigma complete autogamy is rather rare. Autogamy in such flowers requires synchrony in pollen release and stigma receptivity and also the anthers and stigma should lie close to each other so self pollination can occur.
Promotional Banner

Similar Questions

Explore conceptually related problems

Autogamy means

The adaptation of facilitate autogamy in chasmogamous flowers is known as

A plant that bears both cleistogamous as well as chasmogamous flowers is

What are chasmogamous flowers ? Can cross-pollination occure in cleistogamous flower ? Give reasons for your answer ?

Choose the correct statements. 1. Autogamy takes place only in cleistogamous flowers. II. A plant with geitonogamy must possess unisexual flowers. III. Allogamy takes place only in chasmogamous flowers IV. A dioecious plant is always xenogamous

Identify the correct pair of statements (i) White kernel of Coconut is a free nuclear endosperm (ii) In dioecious plants, autogamy is prevented but geitonogamy occurs (iii) Cleistogamous flowers are always self pollinated (iv) Castor is an endospermic seed.

What are the possible types of pollinators in chasmogamous flowers. Give reasons.

(a) Define cleistogamy. What type of pollination occurs in cleistogamous flowers? (b) Write any six characteristic features of entomophilous flowers.