MCQ Questions for Class 12 Biology Chapter 1 Reproduction in Organisms with Answers Set-A

Reproduction in Organisms Class 12 Biology MCQs Questions with Answers

Check the below NCERT MCQ Questions for Class 12 Biology Chapter 1 Reproduction in Organisms with Answers Pdf free download. MCQ Questions for Class 12 Biology with Answers were prepared based on the latest exam pattern. We have Provided Reproduction in Organisms Class 12 Biology MCQs Questions with Answers to help students understand the concept very well.

Class 12 Biology Chapter 1 Quiz

Class 12 Biology Chapter 1 MCQ Online Test

You can refer to NCERT Solutions for Class 12 Biology Chapter 1 Reproduction in Organisms to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Reproduction in Organisms Class 12 Biology MCQ online test

Q1.	Which of the following groups is formed only of the hermaphrodite organisms?
	A.Earthworm, tapeworm, housefly, frog
	B.Earthworm, tapeworm, sea horse, housefly
	C.Earthworm, leech, sponge, roundworm
	D.Earthworm, tapeworm, leech, sponge

Ans: Earthworm, tapeworm, leech, sponge

Q2.	Which of the following options shows bisexual animals only?
	A.Amoeba, sponge, leech
	B.Sponge, cockroach, Amoeba
	C.Earthworm, sponge, leech
	D.Tapeworm, earthworm, honeybee

Ans: Earthworm, sponge, leech

Q3.	Read the following statements and select the incorrect one.
	A.Cucurbits and coconuts are monoecious plants.
	B.Papayas and date palms are dioecious plants.
	C.Leeches and tapeworms are bisexual animals.
	D.Sponges and coelenterates are unisexual animals.

Ans: Sponges and coelenterates are unisexual animals.

Q4.	Meiosis does not occur in
	A.asexually reproducing diploid individuals
	B.sexually reproducing haploid individuals
	C.sexually reproducing diploid individuals
	D.all of these.

Ans: asexually reproducing diploid individuals

Q5.	A diploid parent plant body produces ________ gametes and a haploid parent plant body produces ________ gametes.
	A.diploid, haploid
	B.haploid, diploid
	C.diploid, diploid
	D.haploid, haploid

Ans: haploid, haploid

Q6.	Which of the following organisms has the highest number of chromosomes?
	A.Housefly
	B.Butterfly
	C.Ophioglossum
	D.Onion

Ans: Ophioglossum

Q7.	In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?
	A.40
	B.30
	C.20
	D.10

Ans: 20

Q8.	If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?
	A.380
	B.190
	C.95
	D.760

Ans: 190

Q9.	In flowering plants, both male and female gametes are non-motile. The method to bring them together for fertilisation is
	A.water
	B.air
	C.pollination
	D.apomixis

Ans: pollination

Q10.	In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit?
	A.Brinjal
	B.Cucumber
	C.Papaya
	D.Bitter gourd

Ans: Brinjal

Q11.	Which of the labelled parts in the transverse section of tomato fruit, is/are diploid?
	A.X
	B.Y
	C.Both X and Y
	D.None of these

Ans: Both X and Y

Q12.	The wall of the ovary forms
	A.pericarp
	B.fruit wall
	C.fruit
	D.both (a) and (b).

Ans: both (a) and (b).

Q13.	The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because
	A.offspring do not possess exact copies of parental DNA
	B.DNA of only one parent is copied and passed on to the offspring
	C.offspring are formed at different times
	D.DNA of parent and offspring are completely different

Ans: offspring do not possess exact copies of parental DNA

Q14.	The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively
	A.12,24,12
	B.24,12,12
	C.12, 24, 24
	D.24, 12, 24.

Ans: 12, 24, 24

Q15.	Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
	A.nodes are shorter than intemodes
	B.nodes have meristematic cells
	C.nodes are located near the soil
	D.nodes have non-photosynthetic cells.

Ans: nodes have meristematic cells

Q16.	There is no natural death in single celled organisms like Amoeba and bacteria because
	A.they cannot reproduce sexually
	B.they reproduce be binary fission
	C.parental body is distributed among the offspring
	D.they are microscopic.

Ans: parental body is distributed among the offspring

Q17.	There are various types of reproduction. The type of reproduction adopted by an organism depends on
	A.the habitat and morphology of the organism
	B.morphology of the organism
	C.morphology and physiology of the organism
	D.the organisms habitat, physiology and genetic makeup.

Ans: the organisms habitat, physiology and genetic makeup.

Q18.	Which of the following is a post-fertilisation event in flowering plants?
	A.Transfer of pollen grains
	B.Embryo development
	C.Formation of flower
	D.Formation of pollen grains

Ans: Embryo development

Q19.	The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be
	A.20
	B.10
	C.40
	D.15

Ans: 20

Q20.	The growth phase of an organism before attaining sexual maturity is referred to as
	A.juvenile phase
	B.vegetative phase
	C.both (a) and (b)
	D.none of these.

Ans: both (a) and (b)

MCQ Questions for Class 12 Biology

NCERT Solutions for Class 12 Biology

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MCQ Questions for Class 12 Biology Chapter 1 Reproduction in Organisms with Answers

MCQ Questions for Class 12 Biology Chapter 1 Reproduction in Organisms with Answers Set-A

Reproduction in Organisms Class 12 Biology MCQs Questions with Answers

Class 12 Biology Chapter 1 Quiz

Class 12 Biology Chapter 1 MCQ Online Test

Reproduction in Organisms Class 12 Biology MCQ online test

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NCERT Solutions for Class 12 Biology

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NCERT Solutions for Class 12 Biology

NCERT Solutions for Class 12 Biology

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