Home
Class 11
BIOLOGY
Which of the following is an outbreeding...

Which of the following is an outbreeding device ?
a. If pollen release and stigma receptivity are not synchronised.
b. If the anther and stigma are placed at different positions so that pollen cannot come in contact with the stigma of the same flower.
c. Self-incompatibilty which prevents self-pollen (from the same plant) from fertilising the ovules by inhibiting pollen germination or pollen tube growth in the pistil.
d. Production of the unisexual flower

A

A, B and C

B

B,Cand D

C

A, C and D

D

A, B, C and D

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Similar Questions

Explore conceptually related problems

A: continued self pollination checks inbreeding depression R: pollen release and stigma receptivity are synchornised

Germination of pollen grain on the stigma is

The genetic mechanism which prevents selfpollen from fertilising the ovules by inhibiting pollen germination on the pistil of same flower is called

Pollen grains do not germinate on the stigma of the same flower. The Phenomenon is

In some plants , pollen release and stigma receptivity are not synchronized . Stigma becomes receptive much before the release of pollen. This is known as :

In which of the following plants, pollen is released before the stigma becomes receptive in the same flower

The tyep of pollinating involving transfer of pollen grains from answer of the stigma of the same flower is kown as

How a pollen grain recognises the stigma of its own species