Which of the following are devices for self-p | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) Autogamy (self-pollination) involves the transfer of pollen grains from the anther to the stigma of the same flower.Devices that promote self-poll

Vedclass · Accepted Answer

None of these

Vedclass · Answer

(D) Autogamy (self-pollination) involves the transfer of pollen grains from the anther to the stigma of the same flower.Devices that promote self-pollination include:$1$. Bisexuality: Presence of both male and female reproductive organs in the same flower.$2$. Homogamy: Maturation of anthers and stigma at the same time.$3$. Cleistogamy: Flowers remain closed,ensuring self-pollination.Dicliny (unisexuality),dichogamy,and heterostyly are devices that promote cross-pollination (allogamy) by preventing self-pollination.Therefore,none of the given options are devices for self-pollination.

Column-$I$ (Organisms)	Column-$II$ (Chromosome number in meiocytes)
$P$. Housefly	$I$. $38$
$Q$. Rat	$II$. $42$
$R$. Dog	$III$. $12$
$S$. Cat	$IV$. $78$
$T$. Fruit fly	$V$. $8$

Column-$I$	Column-$II$
$A$. Tapetum	$i$. Degenerate during development
$B$. Intine	$ii$. Resistant organic materials
$C$. Vegetative cell	$iii$. Pollen tube
$D$. Sporopollenin	$iv$. Provide nourishment to pollen grains

Which of the following are devices for self-pollination?

Similar Questions

Match the following columns:
Column-$I$ (Organisms) Column-$II$ (Chromosome number in meiocytes)
$P$. Housefly $I$. $38$
$Q$. Rat $II$. $42$
$R$. Dog $III$. $12$
$S$. Cat $IV$. $78$
$T$. Fruit fly $V$. $8$

Make the correct pair:

Column-$I$ Column-$II$

$A$. Tapetum $i$. Degenerate during development

$B$. Intine $ii$. Resistant organic materials

$C$. Vegetative cell $iii$. Pollen tube

$D$. Sporopollenin $iv$. Provide nourishment to pollen grains

$Strobilanthus$ $kunthiana$ is also called:

If the diploid number of an angiospermic plant is $24$,the number of chromosomes in the pollen grain,endosperm,and integument will be:

Plants that flower only once in their lifetime are called .....

Vedclass Test Series

Exam Paper Generator

Online Exam Module