12 Biology Ch. 1 Test 3

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MCQ Test based on Ch. 1 Reproduction in Lower and Higher Plants
1.2 Sexual Reproduction

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1. Each ................................... cell divides meiotically to form tetrad of haploid microspores . a. microspore mother cell; b. megaspore mother cell; c. sporogenous cell; d. pollen mother cell *

1 point

A] All

B] a, c and d

C] a, b and c

D] b, c and d

2. Microsporogenesis means ..................... *

1 point

A] formation of pollen grains from archesporial cell

B] formation of pollen grains from microspore mother cell

C] formation of microspores from megaspore mother cell

D] formation of pollen grains from megaspore mother cell

3. Pollen grain is surrounded a two layered wall called .................... *

1 point

A] exine

B] intine

C] sporoderm

D] epiderm

4. The outer layer of two layered pollen wall is .................................... *

1 point

A] simple, biodegradable

B] simple, non-biodegradable

C] complex, biodegradable

D] complex, non-biodegradable

5. The outer layer of sporoderm is called .................. *

1 point

A] exine

B] intine

C] epiderm

D] tapetum

6. Exine is made up of ........................... *

1 point

A] cellulose

B] hemicellulose

C] sporopollenin

D] pectin

7............................. may be smooth or with a sculptured pattern. *

1 point

A] Epidermis of anther

B] Tapetum

C] exine of pollen grain

D] endothecium

8. ............................... provides resistance to pollen grain from physical and biological decomposition. *

1 point

A] Pectin

B] Cellulose

C] Sporopollenin

D] Chitin

9. At some places exine is very thin showing thin areas known as ........................ *

1 point

A] connective

B] micropyle

C] germ pores

D] none of the above

10. The inner wall layer, intine consists of ........................ and ........................... *

1 point

A] sporopollenin and pectin

B] pectin and hemicellulose

C] cellulose and sporopollenin

D] cellulose and pectin

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