In angiosperm polle grains are dehisced ...

In angiosperm polle grains are dehisced at

A

4 celled stage

B

mostly at 2 and sometimes at 3 called stage

C

3 called stage

D

pollen tube stage

Text Solution

Verified by Experts

The correct Answer is:

B

Promotional Banner

Promotional Banner

Topper's Solved these Questions

RESPIRATION IN PLANTS
TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|195 Videos
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION
TRUEMAN BIOLOGY|Exercise MCQ|220 Videos

TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS

Pollen tube is made up of
Text Solution
|
The intine of a pollen grain is mainly made up of
Text Solution
|
In angiosperm polle grains are dehisced at
Text Solution
|
In dicots, at how many places exine is absent in the pollen grain ?
Text Solution
|
Which one is larger nucleus in pollen grain ?
Text Solution
|
The exine of a pollen grain is composed of one of the most resistant ...
Text Solution
|
Genotypically the pollen grain proudcedin side the anther belong to
Text Solution
|
Germ pore is the area where exine is
Text Solution
|
A plant root has 16 chromosomes , so
Text Solution
|
Sculpturing of exine of pollen is important in
Text Solution
|
Ovule is technically equivalent to
Text Solution
|
Ovule is attached to the placenta by a stalk known as
Text Solution
|
Collar like outgrowth arising from the base of ovule and forming is a ...
Text Solution
|
In tenuinucellate type of ovule
Text Solution
|
Crassinucellate ovule shows:
Text Solution
|
When ovule is straight with funiculus, embryo sac, chalaza and microp...
Text Solution
|
Internal fertilisation occurs
Text Solution
|
Ovule of Opuntia is coiled and turn at more kthan 360^(@) angle, i...
Text Solution
|
Female gametophyte (megagametophyte of aniosperms) is represented b...
Text Solution
|
The female gametophyte of a typical dicot (Polygonum) at the time of ...
Text Solution
|