NEET : Multiple Choice question: Apomixis and Polyembryony

1. Which one of the following phenomena is type of asexual reproduction but mimics to sexual reproduction.

A. Polyembryony 

B. Apomixis  

C. Syngamy

D. Parthenocarpy 

Answer : B Explanation 

2. Apomixis refer to development of 

A. Seed without process of pollination.

B. fruit without the process of fertilisation.

C. Seed without the process of fertilisation.

D  fruit without the process of pollination.

Answer: C Explanation

3. Apomixis can be seen in member of which of the following family.

A. Leguminoseae 

B. Rosaceae

C. Somanaceae

D. Asteraceae

Answer : D Explanation 

4. To develop apomictic seed, diploid egg cell is formed...........and develop in to embryo .......

A. Without reduction divison, With fertilization

B. With reduction divison, without fertilization.

C. With reduction divison, with fertilization 

D. Without reduction divison, without fertilization 

Answer : D Explanation 

5. Which one of the following statement is correct.

A. Apomixis is development of fruit without the fertilization.

B. Menbers of Rosaceae develop  apomictic seed.

C. Grasses exhibit the apomixis.

D. Apomictic seed are useless and no have importance in agriculture.

Answer : C Explanation 

6. Occurrence of more than one in a seed is referred as 

A. Polygamy

B.Polyandry

C.Protandry

D.None of the above

Answer : D  Explanation 

7. Which of the following cells around the embryo sac  are protruded and and develop into many embryo.

A. Nuceller cell

B. Funicle cell

C. Chalazal cell

D. All of the above 

Answer : A Explanation 

8. Polyembrony can be seen in

A. Citrus and Mango

B. Grapes and Apple

C. Apple and Pear 

D. Mango and pear

Answer : A Explanation 

9. Which one of the following statement is correct about the polyembrony.

A. It has multiple embryo in each ovule.

B. Egg cell is not involved in formation of multiple embryo.

C. It can be seen in orchid and Grasses.

D. It mimics sexual reproduction.

Answer : A Explanation 

10. Match the list

A. Asteraceae 1. Apomixis 

B. Citrus   2. Polyembrony 

C. Mango

D. Grasses 

     A      B     C      D

A.  1      2      1      2

B.   2      2      1     1

C.   1      2      2      1

D.  2      1      1      2

Answer: C Explanation