Sexual reproduction in flowering plants MCQ with Answer

Sexual reproduction in flowering plants all MCQ with Answer given below. These Question are very important for CHSE Board. 

What is the function of filiform apparatus in an angiospermic embryo sac?
(a) Brings about opening of the pollen tube
(b) Guides the pollen tube into a synergid
(c) Prevents entry of more than one pollen tube into a synergid
(d) None of these
(b) Guides the pollen tube into a synergid

The female gametophyte of a typical dicot at the time of fertilisation is
(a) 8 – celled
(b) 7 – celled
(c) 6 – celled
(d) 5 – celled
(b) 7 – celled

In angiosperm female gametophyte is: 

a) Embryo b) Egg Apparatus c)Embryo sac d) synergids 

Ans: c)Embryo sac 

Exine layer of pollen grain is made up of : 

a) sporopollenin b)Pectin c) cellulose d)chitin 

Ans: a)sporopollenin 

Embryo sac of angiosperm is : 

a) 6-celled 8-nucleate b) 7-celled 8-nucleate c)8-celled 7- nucleate d)7-celled 7-nucleate Ans: b) 7-celled 8-nucleate 

 Microsporogenesis is the formation of : 

a) Microspore b) Megaspore c) Egg d) Embryo sac 

Ans : a) Microspore 

 Pollination by insect is called:

 a) Hydrophily b) Entomophily c) Anemophily d) Ornithophilly 

Ans: Entomophily 

 Removal of anther is called:

 a) Emasculation b) Bagging c) Artificial hybridization d) pollination 

Ans: a) Emasculation 

 Which layer of microsporangium provides nutrition to the developing pollen grains: a) Epidermis b) Endothecium c) Tapetum d) All 

Ans : c) Tapetum

 The transfer of pollen grains from anther to stigma is called;

 a) Fertilization b) pollination c) Microsporogenesis d) Polyembryony 

Ans. b) Pollination 

 Occurrence of more than one embryo in a seed is known as:

 a) Polyembryony b) parthenocarpy c) Apomixis d) Embryogeny 

Ans: a) Polyembryony

  A typical angiospermic anther is;

 a) Bilobed b) unilobed c) Trilobed d) Tetralobed 

Ans: a) Bilobed

Endospermic seeds are found in
(a) castor
(b) barley
(c) coconut
(d) all of these
(d) all of these

In albuminous seeds, food is stored in _______ and in non albuminous seeds, it is stored in _______.
(a) endosperm, cotyledons
(b) cotyledons, endosperm
(c) nucellus, cotyledons
(d) endosperm, radicle
(a) endosperm, cotyledons

Persistent nucellus is called as _______ and is found in _______.
(a) perisperm, black pepper
(b) perisperm, groundnut ‘
(c) endosperm, black pepper
(d) endosperm groundnut
(a) perisperm, black pepper

Indentify the wrong statement regarding post-fertilisation development.
(a) The ovary wall develops into pericarp.
(b) The outer integument of ovule develops into tegmen.
(c) The fusion nucleus (triple nucleus) develops into endosperm.
(d) The ovule develops into seed.
(b) The outer integument of ovule develops into tegmen.

Polyembryony commonly occurs in
(a) banana
(b) tomato
(c) potato
(d) citrus.
(d) citrus.

An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as
(a) apospory
(b) apogamy
(c) parthenogenesis
(d) parthenocarpy
(b) apogamy

Embryo sac is to ovule as _______ is to an anther.
(a) Stamen
(b) filament
(c) pollen grain
(d) androecium
(c) pollen grain

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