Biology

1. Double fertilization involves

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

Fertilization of egg by two male gametes

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

Question 1 of 13

2. Anemophilous flowers have

Coloured and scented flowers

Large feathery stigma

Sessile stigma

Small, smooth stigma

Question 2 of 13

3. Xenia refers to

Effect of pollen on taste of fruits

Effect of pollen on endosperm

Effect of pollen on stems

Effect of pollen on vascular tissue

Question 3 of 13

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

Stock

Both stock and scion

Scion

Neither stock nor scion

Question 4 of 13

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

Epicotyl

Radicle

Plumule

Hypocotyl

Question 5 of 13

6. Pollination by snail and slug is called as

Chiropterophilous

Malacophilous

Ornithophilous

Entomophilous

Question 6 of 13

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

Germinated pollen grain

Embryo

Unfertilized ovule

Seed

Question 7 of 13

8. Growth of pollen tube towards embryo is

Thigmotaxis

Chemotaxis

Geotropism

Phototaxis

Question 8 of 13

9. 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 9 of 13

10. Which of the following statement is true?

Spores are gametes

Spores and gametes are diploid

Spores are always diploid

Gametes are always haploid

Question 10 of 13

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

Sporopollenin

Callose

Cutin

Suberin

Question 11 of 13

12. Asexual reproduction is called as:

Fragmentation

Apomixes

Cross fertilization

Self fertilization

Question 12 of 13

13. The pollen tube usually enters the embryo sac

Between one synergid and antipodal cell

By directly penetrating the egg

By knocking off the antipodal cells

Between the egg cell and synergid

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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