300+ TOP MCQs on Artificial Hybridization and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Artificial Hybridization Multiple Choice Questions

MCQs on Artificial Hybridization :

1. This is the correct sequence for artificial experiment in bisexual flowers
(a) Self-pollination -> Bagging -> Emasculation -> Rebagging
(b) Cross pollination -> Bagging -> Emasculation -> Rebagging
(c) Emasculation -> Bagging -> Cross pollination -> Rebagging
(d) Bagging -> Emasculation -> Cross pollination -> Rebagging

Answer

Answer: (c)

2. Both geitonogamy and autogamy are prevented in
(a) Cucumber
(b) Papaya
(c) Mazia
(d) Castor

Answer

Answer: (b)

3. The pollen tube releases the two male gametes into the
(a) the cytoplasm of antipodal cells
(b) one male gamete in cytoplasm of synergids and other in cytoplasm of central cell
(c) both in cytoplasm of central cell
(d) both in cytoplasm of synergids

Answer

Answer: (d)

4. Who first used artificial hybridization in fruit crops?
(a) Karpocho
(b) Knight
(c) Jones
(d) Mendel

Answer

Answer: (b)

5. This will lose its economic value if fruits are produced through parthenocarpy
(a) Banana
(b) Citrus
(c) Pomegarante
(d) Grape

Answer

Answer: (c)

6. After reaching the ovary, pollen tube does not display this of the following events
(a) may enter the ovule through chalaza
(b) enters one of the synergids through filiform apparatus
(c) enters the ovule through the micropyle
(d) chemotactic movement of pollen tube towards synergid

Answer

Answer: (d)

7. This statement is incorrect
(a) the seed dormancy is the internal or innate inhibition of generation of normal or viable seeds
(b) embryo in the dormant seeds show higher rate of general metabolic rate
(c) because fo dormancy seeds remain viable for long durations and can be stored
(d) as the seeds mature, its water content is reduced and seeds become relatively dry

Answer

Answer: (b)

8. When dioecious plants are considered for artificial hybridization, this step would not be relevant
(a) collection of pollen
(b) bagging of female flower
(c) dusting of pollen on stigma
(d) emasculation

Answer

Answer: (d)

9. Aleurone layer participates in
(a) enzyme synthesis
(b) transfer of food to cotyledons
(c) is also known as scutellum
(d) protection of delicate embryo

Answer

Answer: (a)

10. The external conditions required for seed germination are
(a) light, moisture and appropriate temperature
(b) oxygen, carbon dioxide and appropriate temperature
(c) oxygen, light and appropriate temperature
(d) oxygen, moisture and suitable temperature

Answer

Answer: (d)

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