Home
Class 12
BIOLOGY
Intine of pollen grain is made of...

Intine of pollen grain is made of

A

sporopollenin

B

pecto celluslose

C

silica and cellulose

D

only celluslose

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    AAKASH INSTITUTE|Exercise Assignment (SECTION A)|35 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    AAKASH INSTITUTE|Exercise Assignment (SECTION B)|30 Videos

  • SEXUAL REPRODUCTION IN FLOWERING PLANTS

    AAKASH INSTITUTE|Exercise Try yourself|11 Videos

  • RESPIRATION IN PLANTS

    AAKASH INSTITUTE|Exercise Assignment (Section D)|10 Videos

  • STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION

    AAKASH INSTITUTE|Exercise Assignment (Section - D)|10 Videos

Similar Questions

Explore conceptually related problems

pollen grains

Identify the pair of wrong statements I. Intine of pollen grains is made up of sporopollenin, II.l Pollen grains are well preserved as fossils because of the presence of sporopollenin, III. Enzymes can degrade the organic material of the pollen grain exine, IV. Sporopollenin can withstand high temperature, strong acids and alkali

The exine of pollen grain is made up of a complex substance called__________ .

The exine of pollen grain is made up of .........and has germ pores :-

Exine of pollen grain

The pollen grain is

Exine of pollen grain is formed of

Fill in the blanks : B. ……… of pollen grains is made up of sporopollenin.

Select the correct Statement . a. Intine of pollen grains is composed of pectocellulosic in nature . b. Pollen grains develop from the haploid microspore mother cells in pollen sacs of anther. c. Pollen grain is diploid , unicellular , multinucleate and oval shaped structure. d. Pollen grains are generally spherical measuring about 20-25 mm in diameter .

(a) Name the organic material exine of the pollen grain is made up of. How is this material advantageous to pollen grain ? (b) Still it is observed that it does not form a continuous layer around the pollen grain. Give reason. (c) How are 'pollen banks' useful ?