NEET Artifical Hybridization MCQ Quiz Quiz Questions

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

2. Both geitonogamy and autogamy are prevented in

A Cucumber B Papaya C Mazia D Castor

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

4. Who first used artificial hybridization in fruit crops?

A Karpocho B Knight C Jones D Mendel

5. This will lose its economic value if fruits are produced through parthenocarpy

A Banana B Citrus C Pomegarante D Grape

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

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

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

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

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