MCQ on Apomixis: Biology is one of the most important and vital sections in NEET. It includes theories, descriptions, discoveries, diagrams, definitions, explanation of differences and relations. Most of the concepts covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12. Other related sources make up for the rest of the syllabus.

In this post we are providing you MCQ on Apomixis, which will be beneficial for you in upcoming NEET, AIIMS, JIPMER, PGIMER, CBSE Board, ICSE Board, Class 12th, 11th.

MCQ on Apomixis

 

Q1. In plants, apomixis pertains to plant development
a) from root cuttings
b) from cuttings of stem
c) without the gametes having to fuse
d) fusion of gametes

Q2. The difference between perisperm and endosperm is that perisperm
a) has reserved food
b) forms by fusion of the secondary nucleus with several sperms
c) is a diploid tissue
d) is a haploid tissue

Q3. In adventive embryony, a type of apomixis, the embryo develops directly from the
a) Zygote
b) accessory embryo sacs in the ovule
c) antipodals or synergids in an embryo sac
d) integuments or nucleus

Q4. One of these statements about apomixis is incorrect
a) formation of seeds without fertilization
b) Meiotic division and fertilization of gametes takes place to form a zygote
c) Seeds are genetically similar
d) None of these

Q5. In many laboratories, active research is on to comprehend the genetics of apomixis
a) Apomixis generates genetically different individuals
b) Apomixis is the method to produce seeds without fertilization
c) Hybrid plants are directly formed by apomixis
d) Transfer of apomictic genes into hybrid varieties that shall prevent hybrid vigour loss over the years

Q6. This about apomixis is true :
a) There is no fertilization involved in both apomixis and parthenocarpy
b) Apomixis produces genetically identical mother cells
c) Apomixis is observed in angiosperms and gymnosperms
d) All of the above

Q7. The reason why hybrid seeds have to be produced every year is
a) hybrid seed industry tends to increase the cost of seeds
b) hybrid plants turn sterile in coming years
c) show more heterosis in coming years
d) hybrid vigour is not maintained in more than one generation as segregation of genes is initiated in the second generation

Q8. Apomixis is a form of
a) Vernalization
b) Parthenogenesis
c) Parthenocarpy
d) None of the above

Q9. Megasporium is equivalent to
a) ovule
b) embryo sac
c) fruit
d) Nucleus

Q10. Geitonogamy and autogamy both are prevented in which one of these?
a) Cucumber
b) Maize
c) Castor
d) Papaya

 

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By Team Learning Mantras