Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • Which of the following is correct w.r.t compound pollen? a) It is formed when all four pollen of a tetrad remain attached. b) It is seen in Typha. c) It is formed of a

Which of the following is correct w.r.t compound pollen?

a) It is formed when all four pollen of a tetrad remain attached.

b) It is seen in Typha.

c) It is formed of a complete anther lobe.

d) It is a feature of gymnosperms.

Option: 1

a, b & c


Option: 2

a, b & d


Option: 3

a & b


Option: 4

a & c


Answers (1)

best_answer
As we have learnt:

Microsporogenesis:

  • The formation of microspores or pollen grains inside the microsporangium is known as microsporogenesis. 
  • When the anther is young, a layer of homogenous cells occupies the centre of each microsporangium, is known as sporogenous tissue. 
  • It is diploid in nature. 
  • The sporogenous tissue transforms into microspore or pollen mother cells.
  • These microspore mother cells undergo meiotic divisions to form microspore tetrads (four microspores) which are haploid. 
  • These microspores mature to form pollen grains, male gametes. 
  • One microspore mother cell forms four microspores.
  • The microspores develop to form the pollen grains.
  • In some cases, all the four pollens remain attached to form compound pollen grain, as seen in Typha.
  • In Calotropis, all the pollen grains of an anther lobe remain united in a single sac called pollinium.
  • Each microsporangium contains thousands of microspores or pollen grains.

In some cases, all the four pollens remain attached to form compound pollen grain, as seen in Typha.

Hence, the correct answer is option c.

Posted by

Devendra Khairwa

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

AIIMS MBBS cut-offs for general, OBC, EWS categories as per trends
anam-khan

Centre forms committee to tackle coaching dependency, dummy schools, examine JEE, NEET pressure
anam-khan

BSc Nursing NEET cut-offs for AIQ seats, central universities; counselling process, fee details

Latest Question