This practice test includes 25 Important questions from the chapter sexual reproduction in flowering plants class 12th Biology.
Sexual Reproduction in Flowering Plants – Class 12th Biology Practice Test| MCQs For NEET
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Total: 25 Questions
Questions
Q1.
The anther wall consists of four wall layers where
📘 Explanation:
middle layers lie between endothecium and tapetum
Q2.
Anther is generally
📘 Explanation:
tetrasporangiate
Q3.
The stamens represent
📘 Explanation:
The stamens represent microsporophylls
Q4.
Nonessential floral organs in a flower are
📘 Explanation:
Nonessential floral organs in a flower are sepals and petals
Q5.
Science of cultivation, breeding, marketing and arrangement of flowers is called
📘 Explanation:
Science of cultivation, breeding, marketing and arrangement of flowers is called floriculture
Q6.
From among the sets of terms given below, identify those that are associated with the gynoecium
📘 Explanation:
Rest are not associated with gynoceium
Q7.
During microsporogenesis, meiosis occurs in
📘 Explanation:
meiosis occurs in microspore mother cells
Q8.
The outermost and innermost wall layers of microsporangium in an anther are respectively
📘 Explanation:
epidermis and tapetum.
Q9.
Embryo sac is to ovule as _______ is to an anther.
Q10.
An embryo may sometimes develop from any cell of embryo sac other than egg. It is termed as
📘 Explanation:
apogamy is development of embryo from any cell of embryo sac other than egg.
Q11.
Polyembryony commonly occurs in
📘 Explanation:
Citrus
Q12.
Indentify the wrong statement regarding post-fertilisation development
📘 Explanation:
The outer integument of ovule develops into seed.
Q13.
Persistent nucellus is called as _______ and is found in _______.
Q14.
In albuminous seeds, food is stored in _______ and in non albuminous seeds, it is stored in _______
Q15.
Endospermic seeds are found in
📘 Explanation:
All of these are endosperm seeds.
Q16.
Spiny or sticky pollen grains and large, attractively coloured flowers are associated with
📘 Explanation:
entomophily involves insects.
Q17.
Which of the following is not a water pollinated plant ?
📘 Explanation:
Cannabis isn’t pollinated by water
Q18.
Plants with ovaries having only one or a few ovules are generally pollinated by
📘 Explanation:
Ovaries with many ovules are pollinated by birds or insects.
Q19.
Feathery stigma occurs in
Q20.
Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in
📘 Explanation:
papaya
Q21.
Even in absence of pollinating agents seed-setting is assured in
📘 Explanation:
It is only seen in Commelina.
Q22.
Both chasmogamous and cleistogamous flowers are present in
📘 Explanation:
Commelina shows Both chasmogamous and cleistogamous flowers
Q23.
Polygonum type of embryo sac is
📘 Explanation:
8 – nucleate, 7 – celled
Q24.
The female gametophyte of a typical dicot at the time of fertilisation is
Q25.
What is the function of filiform apparatus in an angiospermic embryo sac?
📘 Explanation:
Guides the pollen tube into a synergid
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