Reproduction in Organisms class 12 MCQ Question and Answer

Reproduction in Organisms class 12 Chapter 1 MCQ Question and Answer

Reproduction in Organisms class 12 MCQ taken from NCERT Chapter 1 were prepared according to the latest Exam pattern. Practising these Reproduction in Organisms class 12 MCQ Really effective to Improve your understanding level.

Reproduction in Organisms class 12 MCQ

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Reproduction in Organism Class 12 MCQ

Question:1In higher plants, meiosis occurs ?

1. During formation of gamestes
2. During fertilization
3. During embryogenesis
4. In seeds

Question:2 Earthworm is ;

1. Unisexual
2. Bisexual
3. Asexual
4. Neutral

Question:3 An example of rhizome is

1. Garlic
2. Colocasia
3. Ginger
4. Onion

Question:4 Budding is the example of .

1. Vegetative reproduction
2. Tissue culture
3. Sexual production
4. Dispersal

Question:5 Asexual reproduction in Penicillium fungus usually takes place through ?

1. Budding
2. Fission
3. Conidia
4. Gemmules

Question:6 when the gametes of two different strains fuse each pther, then this process of reproduction is.

1. Sexual reproduction
2. Asexual reproduction
3. Vegetative reproduction
4. None of these

Question:7 Vegetative reproduction takes place in Bacteria.

1. By binary fission
2. by hybrization
3. by fission
4. all of these

Question:8 In potato, which structure takes part in vegetative reproduction ?

1. Adventitious root
2. Apex bud of stem
3. Germinating eye bud
4. Arial shoot

Question:9 which structure takes part in gametogenesis.

1. Male gamete
2. Female gamete
3. Both A and B
4. Male or female gamete

Question:10 which of the following is viviparous ?

1. Cockroach
2. scorpion
3. Bee
4. Butterfly

Question:11 In higher plants, Fertilization is

1. External
2. Internal
3. In water
4. In air

Question:12 The reproduction takes place by gemma.

1. In higher plants
2. In lower animals
3. In some bryophytes
4. In mammals

Question:13 The Example of bulb is .

1. Ginger
2. Doob grass
3. Onion
4. Potato

Question:14 The organism similar to pranets can be obtained by .

1. speed
2. Zygote
3. Gametes
4. Binary Fission

Question:15 The term scion is used in relation to .

1. Embryology
2. Sexual reproduction
3. Pollen
4. Grafting

Question:16 vegetative reproduction takes place in bryophyllum.

1. by buds
2. by leaves
3. by seeds
4. by roots

Question:17 vegetative reproduction takes place in Agave.

1. by bulbis
2. by hybrid
3. by stolon
4. by rhizome

Question:18 pollination by bat is called.

1. Omithorphily
2. Entomophily
3. Chiropterophily
4. hydrophily

Question:19 Anemophily takes place by .

1. by bird
2. by bat
3. by snail
4. by wind
5. d

Question:20 Entomophily take place by

1. by bird
2. by bat
3. by wind
4. by Insect

Question:21 A few statements with regard to sexual reproduction are given below.

i. Sexual reproduction does not always require two individuals.

ii. Sexual reproduction generally involves gametic fusion.

iii. Meiosis never occurs during sexual reproduction

iv. External fertilisation is a rule during sexual reproduction.

Choose the correct statements from the options below.

1. i and iv
2. i and ii
3. ii and iii
4. i and iv

Question:22 A multicellular, filamentous alga exhibits a type of sexual cycle in which the meiotic division occurs after the formation of Zygote. the adult filament of this alga has

1. haploid vegetative cells and diploid
2. Diploid vegetative and diploid gametangia
3. Diploid vegetative cells and haploid gametangia
4. haploid vegetative cells and haploid gametangia.

Question:23 The male gametes of rice plant have 12 Chromosomes in their nucleus. the chromosomes number in the female gamere, Zygote and the cells of the seeding will be respectively.

1. 12, 24, 12
2. 24, 12, 12
3. 12, 24, 24
4. 24, 12, 24

Question:24 Given below are a few statements related to external fertilisation choose the correct statements.

i The male and female gametes are formed and released simutaneously.

ii only a few gametes are released into the medium

iii. water is the medium in a majority of organism exhibiting external fertilisation.

iv. Offspring formed better chance of survival than those formed inside an organism.

1. iii and iv
2. i and iii
3. ii and iv
4. i and iv

Question:25 The statements given below describe certain feaures that are observed in the pistil of flowers.

i Pistil may have many carples

ii Each carple may have more than one ovule

iii each carpel has only one ovule

iv pistil has only one carpel

Choose the statments that are true from the options below.

1. i and ii
2. i and iii
3. ii and iv
4. iii and iv

Question:26 which of the following situation correctly describe the similarity between an angiosperm egg and a human egg ?

i egg of both are formed only once in a lifetime

ii both the angiosperm egg and human egg are stationary

iii both the angiosperm egg and human egg are motile.

iv. Syngamy in both result in the formation of zgyote

choose the correct answer from the options given below.

1. ii and iv
2. iv only
3. iii and iv
4. i and iv

Question:27 Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because.

1. Nodes are shorter than internodes
2. Nodes have meristematic cells
3. Nodes are located hear the soil
4. Nodes have non-photosynthetic cells

Question:28 which of the following statements supports the view that elaborate sexual reproductive process appeared much later in the organic evolution ?

i. Lower groups of organisms have simple body design

ii. Asexual reproduction is common in lower groups

iii. Asexual reproduction is coomon in higher groups of organisms

iv There is high incidence of sexual reproduction in angiosperm and vertebrates. Choose the correct answer from the options given below.

1. i and ii
2. i and iii
3. ii and iv
4. ii and iii

Question:29 Offspring formed by sexual reproduction exhibit more variations than those formed by asexual reproduction because .

1. Sexual reprodction is a lengthy process
2. Gametes of parents have qualitatively different genetic composition
3. Genetic species
4. Greater amount of DNA is involved in sexual reproduction.

Question:30 Choose the correct statement from amongst the following .

1. Dioecious organisms are seen only in plants
2. Dioecious organisms are seen in both plants and animals.
3. Dioecious organisms are seen only in vertebrates.
4. Dioecious organisms are seen only in animals.

Question:31 There is no natural death in single celled organisms like Amoeba and bacteria because.

1. They cannot reproduce sexually
2. they reproduce by binary fission
3. parental body is distributed among the offspring
4. they are microsocopic

Question:32 There are various types of reproduction the type of reproduction adopted by an organisms depends on.

1. Morphology of the organism
2. Morphology and physiology and genetic makeup
3. the habitat and morphology of the organisms
4. morphology of the organism

Question:33 Identify the incorrect statement

1. In sexual reproduction the offspring produced are morphologically and genetically identical to the parent
2. Zoospores are sexual reproductive structure
3. In asexual reproduction a single parent produces offspring with or without the formation of gametes
4. Conidia are asexual structures in penicillium

Question:34 which of the following is a post fertilisation event in flowering plants?

1. Transfer of pollen grains
2. Embryo development
3. Formation of flower
4. Formation of pollen grains

Question:35 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.

1. 20
2. 10
3. 40
4. 15

Question:36 A few statements describing certain features of reproduction are given below.

i. Gametic fusion takes place

ii. Transfer of genetic material takes place

iii. Reduction division takes place

iv.Progeny have some resemblance with parents

select the options that are true for both asexual and sexual reproduction from the options given below.

1. i and iii
2. ii and iii
3. ii and iv
4. i and iii

Question:37 The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because

1. Offspring do not possess exact copies of parental DNA
2. DNA of only one parent is copied and passed on to the offspring
3. offspring are formed at different times
4. DNA of parent and DNA of offspring are copletely different.

Question:38 Amoeba and yeast reproduction asexually by fission and budding respectively, because they are.

1. Microsopic organisms
2. heterotrophic organisms
3. unicellular organisms
4. uninucleate organisms.

MCQ Answer

Question No	Answer	Question No	Answer
1	A	20	D
2	B	21	B
3	C	22	D
4	A	23	C
5	C	24	B
6	A	25	A
7	A	26	B
8	C	27	B
9	C	28	C
10	B	29	B
11	B	30	B
12	C	31	C
13	C	32	D
14	D	33	B
15	D	34	B
16	B	35	A
17	A	36	C
18	C	37	A
19	D	38	C

Conclusion

Reproduction in Organisms class 12 MCQ These are very Important MCQs Please Read all the questions and give the answer at yourself first than you can check my answer if your answer is correct so congratulation but if your answer is incorrect so don’t worry you can practice more