1. Mango is developed from
a) Monocarpellary inferior ovary
b) Monocarpellary superior ovary
c) Multicarpellary inferior ovary
d) Multicarpellary superior ovary
Explanation: Mango is developed from monocarpellary superior ovary
2. Seed is made up of
a) Seed coat
b) Embryo
c) Both (a) and (b)
d) None of these
Explanation: Seed is made up of seed coat and embryo.
3. Embryo is made up of
a) A radicle
b) Embryonal axis
c) One or two cotyledons
d) All of these
Explanation: All of these
4.The following are monocots except
a) Wheat
b) Maize
c) Sugarcane
d) Gram
Explanation: Gram
5. The following are dicots except
a) Bean
b) Gram
c) Pea
d) Maize
Explanation: Maize
6. Which of the following is correct about dicot seed?
A Micropyle is present above the hilum.
B. At the ends of embryonal axis the radicle and plumule is present.
C. Seed coat has 3 layers.
D. Cotyledons are generally without food reserve.
a) A and B only
b) B and C only
c) C and D only
d) A and D only
Explanation: A and B only
7. Following are the non-endospermic seed except
a) Bean
b) Gram
c) Pea
d) Castor
Explanation: Castor
8. Which layer is called aleurone layer?
a) Protein
b) Carbohydrate
c) Lipid
d) All of these
Explanation: Protein is called aleurone layer
9. The plumule and radical in monocot seed are enclosed in sheaths which are called _________
and _________ respectively.
a) Coleoptile and scutellum
b) Scutellum and coleorhiza
c) Coleoptile and coleorhiza
d) Coleorhiza and coleoptile
Explanation: he plumule and radical in monocot seed are enclosed in sheaths which are called coleoptile and coleorhiza respectively.
10. Select the incorrect statement among the following:
A. Monocot seeds are generally endospermic.
B. In maize, the seed coat is membranous and is generally fused with fruit wall.
C. In monocot seed, the single large shield shape cotyledon is known as scutellum.
D. In orchids, the seeds are non-endospermic.
a) A and B only
b) C only
c) D only
d) none of these
Explanation: none of these