MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Set-C

Sexual Reproduction in Flowering Plants Class 12 Biology MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download. MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. We have Provided Sexual Reproduction in Flowering Plants Class 12 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 12 Biology Chapter 2 Quiz

Class 12 Biology Chapter 2 MCQ Online Test

You can refer to NCERT Solutions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Sexual Reproduction in Flowering Plants Class 12 Biology MCQ online test

Q1.	Pollen grain is a
	A.megaspore
	B.microspore
	C.microspore
	D.microsporangium.

Ans: microspore

Q2.	How many pollen mother cells should undergo meiotic division to produce 64 pollen grains ?
	A.64
	B.32
	C.16
	D.8

Ans: 16

Q3.	How many meiotic divisions are required for the formation of 100 pollen grains ?
	A.100
	B.50
	C.25
	D.26

Ans: 25

Q4.	One of the most resistant biological material present in the exine of pollen grain is
	A.pectocellulose
	B.sporopollenin
	C.suberin
	D.cellulose.

Ans: sporopollenin

Q5.	What is the function of germ pore ?
	A.Emergence of radicle
	B.Absorption of water for seed germination
	C.Initiation of pollen tube
	D.All of these .

Ans: Initiation of pollen tube

Q6.	_______of the pollen grain divides to form two male gametes.
	A.Vegetative cell
	B.Generative cell
	C.Microspore mother cell
	D.None of these

Ans: Generative cell

Q7.	The three cells found in a pollen grain when it is shed at 3-celled stage are
	A.1 vegetative cell, 1 generative cell, 1 male gamete
	B.1 vegetative cell, 2 male gametes
	C.1 generative cell, 2 male gametes
	D.either (a) or (b).

Ans: 1 vegetative cell, 2 male gametes

Q8.	Megasporangium along with its protective integuments is called
	A.ovary
	B.ovule
	C.funicle
	D.chalaza

Ans: ovule

Q9.	Mature ovules are classified on the basis of funiculus. If micropyle comes to lie close to the funiculus the ovule is termed as
	A.orthotropous
	B.anatropous
	C.hemitropous
	D.campylotropous

Ans: anatropous

Q10.	When micropyle, chalaza and hilum lie in a straight line, the ovule is said to be
	A.anatropous
	B.orthotropous
	C.amphitropous
	D.campylotropous.

Ans: orthotropous

Q11.	Fragrant flowers with well developed nectaries are an adaptation for
	A.hydrophily
	B.anemophily
	C.entomophily
	D.none of these

Ans: entomophily

Q12.	Pollen kitt is generally found in
	A.anemophilous flowers
	B.entomophilous flowers
	C.ornithophilous flowers
	D.malacophilous flowers

Ans: entomophilous flowers

Q13.	Which of these is a condition that makes flowers invariably autogamous ?
	A.Dioecy
	B.Self incompatibility
	C.Cleistogamy
	D.Xenogamy

Ans: Cleistogamy

Q14.	Heterostyly as a contrivance for cross-pollination is found in
	A.Pennisetum
	B.Impatiens
	C.Primula vulgaris
	D.Oenothera

Ans: Primula vulgaris

Q15.	The part of gynoecium that determines the compatible nature of pollen is
	A.stigma
	B.style
	C.ovary
	D.synergids

Ans: stigma

Q16.	Part of the gynoecium which receives the pollen is called
	A.style
	B.stigma
	C.ovule
	D.ovary

Ans: stigma

Q17.	Growth of pollen tube towards embryo sac is
	A.chemotropic
	B.thigmotaxis
	C.geotropic
	D.none of these

Ans: chemotropic

Q18.	During the process of fertilisation the pollen tube of the pollen grain usually enters the embryo sac through
	A.integument
	B.nucellus
	C.chalaza
	D.micropyle

Ans: micropyle

Q19.	Fusion of one of the male gametes with egg nucleus is referred to as
	A.generative fertilisation
	B.syngamy
	C.vegetative fertilisation
	D.both (a) and (b)

Ans: both (a) and (b)

Q20.	The total number of nuclei involved in double fertilisation in angiospersm are
	A.two
	B.three
	C.four
	D.five

Ans: five

MCQ Questions for Class 12 Biology

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Class 12 Biologys

NCERT SOLUTIONS FOR CLASS 12

MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers

MCQ Questions for Class 12 Biology Chapter 2 Sexual Reproduction in Flowering Plants with Answers Set-C

Sexual Reproduction in Flowering Plants Class 12 Biology MCQs Questions with Answers

Class 12 Biology Chapter 2 Quiz

Class 12 Biology Chapter 2 MCQ Online Test

Sexual Reproduction in Flowering Plants Class 12 Biology MCQ online test

MCQ Questions for Class 12 Biology

NCERT Solutions for Class 12 Biology

Class 12 Biologys

NCERT Solutions for Class 12 Biology

NCERT Solutions for Class 12 Biology

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Class 12 Biology

Class 12 Biology

Class 12 Biology

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Biology : Class 12

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NCERT Biology Class 12

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NCERT Bio Class 12

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Class 12 Biology Chapters

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