+91-8076753736 support@wiredfaculty.com
logo
logo

Sponsor Area

Sexual Reproduction In Flowering Plants

Question
CBSEENBI12047577
Wired Faculty App

The development ofsporangium in Pteridium is

  • a leptosporangiate type

  • an eusporangiate type

  • Both (a) and (b)

  • None of the above

Solution

A.

a leptosporangiate type

In leptosporangiate type development a sporangium develops from a 'single initial cell' like in Pteridium, Pteris and Marsilea, etc.

Some More Questions From Sexual Reproduction in flowering Plants Chapter

The entry of pollen tube into embryo sac through the integuments is termed as :

512 microspores will be formed following meiosis of how many microspore mother cells.

Pollination by water occurs in :

In ................... flowers, the thalamus grows upwards completely enclosing the ovary, and the stamens, petals and sepals are borne above the ovary.

In Calotropis, all the microspores of anther lobe remain united to form

Albuminous seeds store reserve food materials in ....................

Transfer of pollen grains from the anther to the stigma of another flower of same plant is called..............................

The...................direct the growth of pollen tube towards egg apparatus by secreting some chemical substances.

A kind of reproduction in which the new individuals are formed without involvement of meiosis and syngamy.

A kind of self-pollination in which the pollens from the anthers of one flower are transferred to the stigma of another flower borne on the same plant.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation