Tag: microsporophyll vs megasporophyll

Questions Related to microsporophyll vs megasporophyll

Number of gametes produced by a male gametophyte of flowering plant is?

  1. Four

  2. One

  3. Three

  4. Two


Correct Option: D

Male gametophyte of angiosperms/ monocots is?

  1. Microsporangium

  2. Nucellus

  3. Microspore

  4. Stamen


Correct Option: C

Number of male gametes formed by $16$ microspore mother cells is?

  1. $128$

  2. $64$

  3. $32$

  4. $16$


Correct Option: A

Xenia and metaxenia are related to.

  1. Only endosperm

  2. Xylem and phloem

  3. Pollen and ednosperm

  4. Pollen culture


Correct Option: C

An angiospermic male plant with $24$ chromosomes in its pollen mother cells is crossed with female plant having $24$ chromosomes in its root cells. What would be chromosome number of embryo and endosperm respectively after the cross.

  1. $24$ and $48$

  2. $24$ and $24$

  3. $48$ and $72$

  4. $24$ and $36$


Correct Option: D

Sporopollenin occurs in.

  1. Female gametophyte

  2. Male gametophyte

  3. Vegetative cells of pollen grain

  4. Exine of pollen wall


Correct Option: D

In angiosperms the functional megaspore in the linear tetrad is generally.

  1. Micropylar

  2. Second from micropylar

  3. Third from micropylar

  4. Fourth from micropylar


Correct Option: D

Egg of female gametophyte is accompanied by.

  1. Antipodal cell

  2. Synergids

  3. Definite nucleus

  4. Tube nucleus


Correct Option: B

Fore-runner of male gamete is?

  1. Megasporangium

  2. Antipodal cell

  3. Microspore mother cell

  4. Embryo sac


Correct Option: C

A diploid male angiospermic plant is crossed with tetraploid female plant. Endosperm of seed will be.

  1. Haploid

  2. Triploid

  3. Tetraploid

  4. Pentaploid


Correct Option: B