Biology

1. Asexual reproduction is called as:

Apomixes

Cross fertilization

Fragmentation

Self fertilization

Question 1 of 13

2. Xenia refers to

Effect of pollen on taste of fruits

Effect of pollen on vascular tissue

Effect of pollen on endosperm

Effect of pollen on stems

Question 2 of 13

3. Which of the following statement is true?

Spores are always diploid

Gametes are always haploid

Spores and gametes are diploid

Spores are gametes

Question 3 of 13

4. Anemophilous flowers have

Coloured and scented flowers

Small, smooth stigma

Large feathery stigma

Sessile stigma

Question 4 of 13

5. Double fertilization involves

Fertilization of egg by two male gametes

Fertilization of the egg and the central cell by two sperms brought by different pollen tube

Fertilization of the egg and the central cell by two sperms brought by the same pollen tube

Fertilization of two eggs in the same embryo sac by two sperms brought by one pollen tube

Question 5 of 13

6. Pollen grains are able to withstand extremes of temperature and dessication because their exine is composed of

Sporopollenin

Callose

Suberin

Cutin

Question 6 of 13

7. In which one of the following combinations (a – d) the number of chromosomes of the present day hexaploid wheat is correctly represented?

Combination	Monosomic	Haploid	Nullisomic	Trisomic
A	21	28	42	43
B	7	28	40	42
C	21	7	42	43
D	41	21	40	43

Question 7 of 13

8. Growth of pollen tube towards embryo is

Chemotaxis

Phototaxis

Thigmotaxis

Geotropism

Question 8 of 13

9. Which part of embryo comes out first during seed germination?

Hypocotyl

Radicle

Epicotyl

Plumule

Question 9 of 13

10. The plant part which consists of two generations one within the other, is

Germinated pollen grain

Embryo

Unfertilized ovule

Seed

Question 10 of 13

11. Pollination by snail and slug is called as

Malacophilous

Entomophilous

Chiropterophilous

Ornithophilous

Question 11 of 13

12. The pollen tube usually enters the embryo sac

By directly penetrating the egg

By knocking off the antipodal cells

Between one synergid and antipodal cell

Between the egg cell and synergid

Question 12 of 13

13. A scion is grafted to a stock. The quality if fruits produced will be determined by the genotype of

Scion

Both stock and scion

Stock

Neither stock nor scion

Question 13 of 13

Test Name	Reproduction In Flowering Plants & Plant Embryology Test
Subject	Biology
Test Type	MCQs
Total Question	13
Total Marks	26
Total Time	15 Mints
Test Help For	Biology Concepts NEET-UG Entrance Exam CBSE Test preparation. All Medical Colleges Admission Test GRE Subject Test General Knowledge

Test By Subject	Biology
Test By Topics	Biology Subject

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Reproduction In Flowering Plants Plant Embryology Test Online

Reproduction In Flowering Plants Plant Embryology Test Online

Biology

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