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

Find here the NCERT chapter-wise Multiple Choice Questions from Class 12 Biology book Chapter 1 Reproduction in Organisms with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Reproduction in Organisms. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

NCERT MCQ Chapters for Class 12 Biology

Q1. Meiosis does not occur in

(i) asexually reproducing diploid individuals
(ii) sexually reproducing haploid individuals
(iii) sexually reproducing diploid individuals
(iv) all of these.

(i) asexually reproducing diploid individuals

Q2. Eye lens is formed from

(i) Ectoderm
(ii) Mesoderm
(iii) Endoderm
(iv) Ectoderm and Mesoderm

(i) Ectoderm

Q3. Vegetative propagation in Pistia occurs by

(i) sucker
(ii) offset
(iii) runner
(iv) rhizome

(ii) offset

Q4. A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has

(i) Haploid vegetative cells and diploid gametangia
(ii) Diploid vegetative cells and diploid gametangia
(iii) Diploid vegetative cells and haploid gametangia
(iv) Haploid vegetative cells and haploid gametangia.

(iv) Haploid vegetative cells and haploid gametangia.

Q5. Earthworm is:

(i) Unisexual
(ii) Bisexual
(iii) Asexual
(iv) Neutral

(ii) Bisexual

Q6. Read the following statements and select the incorrect one.

(i) Cucurbits and coconuts are monoecious plants.
(ii) Papayas and date palms are dioecious plants.
(iii) Leeches and tapeworms are bisexual animals.
(iv) Sponges and coelenterates are unisexual animals.

(iv) Sponges and coelenterates are unisexual animals.

Q7. In grafting, the portion to be grafted on the main plant is called

(i) Stock
(ii) Scion
(iii) Stem
(iv) Adventitious bud

(ii) Scion

Q8. External fertilisation occurs in majority of

(i) fungi
(ii) liverworts
(iii) algae
(iv) mosses

(iii) algae

Q9. Amoeba and Yeast reproduce asexually by fission and budding respectively, because they are:

(i) Microscopic organisms
(ii) Heterotrophic organisms
(iii) Unicellular organisms
(iv) Uninucleate organisms.

(iii) Unicellular organisms

Q10. In higher plants, meiosis occurs?

(i) During formation of gametes
(ii) During fertilization
(iii) During embryogenesis
(iv) In seeds

(i) During formation of gametes

Q11. Which of the following options shows bisexual animals only?

(i) Amoeba, sponge, leech
(ii) Sponge, cockroach, Amoeba
(iii) Earthworm, sponge, leech
(iv) Tapeworm, earthworm, honeybee

(iii) Earthworm, sponge, leech

Q12. The membranous cover of the ovum at ovulation is:

(i) Zona pellucida
(ii) Zona radiata
(iii) Corona radiata
(iv) Chorion

(iii) Corona radiata

Q13. In animals, juvenile phase is followed by,

(i) reproductive phase
(ii) senescent phase
(iii) old age
(iv) vegetative phase.

(i) reproductive phase

Q14. The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because:

(i) Offspring do not possess exact copies of parental DNA.
(ii) DNA of only one parent is copied and passed on to the offspring.
(iii) Offspring are formed at different times
(iv) DNA of parent and DNA of offspring are completely different.

(i) Offspring do not possess exact copies of parental DNA.

Q15. Entemophily take place by

(i) By Bird
(ii) By Bat
(iii) By Wind
(iv) By Insect

(iv) By Insect

Q16. Which of the following groups is formed only of the hermaphrodite organisms?

(i) Earthworm, tapeworm, housefly, frog
(ii) Earthworm, tapeworm, sea horse, housefly
(iii) Earthworm, leech, sponge, roundworm
(iv) Earthworm, tapeworm, leech, sponge

(iv) Earthworm, tapeworm, leech, sponge

Q17. In an egg, the type of cleavage is determined by

(i) Shape and size of the sperm
(ii) Size and location of the nucleus
(iii) Amount and distribution of yolk
(iv) Number of egg membranes

(iii) Amount and distribution of yolk

Q18. The most significant feature of vegetative propagation is that

(i) it is a method of producing a large number of individuals genetically identical to the parent.
(ii) it is a method of producing a large number of individuals genetically different from the parent.
(iii) it ensures that the progeny individuals are resistant to diseases and pests.
(iv) it is an age old practice.

(i) it is a method of producing a large number of individuals genetically identical to the parent.

Q19. Appearance of vegetative propagules from the nodes of plants such as surgarcane and ginger is mainly because:

(i) Nodes are shorter than internodes
(ii) Nodes have meristematic cells
(iii) Nodes are located near the soil
(iv) Nodes have non-photosynthetic cells

(ii) Nodes have meristematic cells

Q20. Anemophily takes place by:

(i) By Bird
(ii) By Bat
(iii) By Snail
(iv) By Wind

(iv) By Wind

Q21. Which of the following organisms has the highest number of chromosomes?

(i) Housefly
(ii) Butterfly
(iii) Ophioglossum
(iv) Onion

(iii) Ophioglossum

Q22. A human female reaches menopause around the age of:

(i) 70 years
(ii) 50 years
(iii) 25 years
(iv) 15 years

(ii) 50 years

Q23. Sugarcane is propagated by

(i) stem cutting
(ii) leaf buds
(iii) root cutting
(iv) seeds

(i) stem cutti

Q24. Offspring formed by sexual reproduction exhibit more variations than those formed by asexual reproduction because:

(i) Sexual reproduction is a lengthy process
(ii) Gametes of parents have qualitatively different genetic composition
(iii) Genetic material comes from parents of two different species
(iv) Greater amount of DNA is involved in sexual reproduction.

(ii) Gametes of parents have qualitatively different genetic composition

Q25. Pollination by Bat is called :

(i) Omithorphily
(ii) Entemophily
(iii) Cheropterophily
(iv) Hydrophily

(iii) Cheropterophily

Q26. In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?

(i) 40
(ii) 30
(iii) 20
(iv) 10

(iii) 20

Q27. In diploid organism, gametes are produced by meiosis division but in haploid organism gametes are produced by:

(i) Mitosis
(ii) Meiosis
(iii) Both (i) and (ii)
(iv) Reduction division

(i) Mitosis

Q28. A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has

(i) haploid vegetative cells and diploid gametangia
(ii) diploid vegetative cells and diploid gametangia
(iii) diploid vegetative cells and haploid gametangia
(iv) haploid vegetative cells and haploid gametangia

(iv) haploid vegetative cells and haploid gametangia

Q29. Choose the correct statement from amongst the following:

(i) Dioecious (hermaphrodite) organisms are seen only in animals
(ii) Dioecious organisms are seen only in plants
(iii) Dioecious organisms are seen in both plants and animals
(iv) Dioecious organisms are seen only in vertebrates.

(iii) Dioecious organisms are seen in both plants and animals

Q30. An example of rhizome is

(i) Garlic
(ii) Colocassia
(iii) Ginger
(iv) Onion

(iii) Ginger

Q31. If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?

(i) 380
(ii) 190
(iii) 95
(iv) 760

(ii) 190

Q32. Vegetative propagation in mint occurs by

(i) Sucker
(ii) Rhizome
(iii) Offset
(iv) Runner

(i) Sucker

Q33. Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because

(i) sexual reproduction is a lengthy process
(ii) gametes of parents have qualitatively different genetic composition
(iii) genetic material comes from parents of two different species
(iv) greater amount of DNA is involved in sexual reproduction.

(ii) gametes of parents have qualitatively different genetic composition

Q34. There is no natural death in single celled organisms like Amoeba and bacteria because:

(i) They cannot reproduce sexually
(ii) They reproduce by binary fission
(iii) Parental body is distributed among the offspring
(iv) They are microscopic.

(iii) Parental body is distributed among the offspring

Q35. Budding is the example of :

(i) Vegetative reproduction
(ii) Tissue culture
(iii) Sexual production
(iv) Dispersal

(i) Vegetative reproduction

Q36. In flowering plants, both male and female gametes are non-motile. The method to bring them together for fertilisation is

(i) water
(ii) air
(iii) pollination
(iv) apomixis

(iii) pollination

Q37. Syngamy can occur outside the body of the organism in:

(i) Fungi
(ii) Mosses
(iii) Algae
(iv) Ferns

(iii) Algae

Q38. Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because

(i) nodes are shorter than intemodes
(ii) nodes have meristematic cells
(iii) nodes are located near the soil
(iv) nodes have non-photosynthetic cells.

(ii) nodes have meristematic cells

Q39. There are various types of reproduction. The type of reproduction adopted by an organism depends on:

(i) The habitat and morphology of the organism
(ii) Morphology of the organism
(iii) Morphology and physiology of the organisms
(iv) The organism’s habitat, physiology and genetic makeup

(iv) The organism’s habitat, physiology and genetic makeup

Q40. In which of the following plants, sepals do not fall off after fertilizations and remain attached to the fruit?

(i) Brinjal
(ii) Cucumber
(iii) Papaya
(iv) Bitter gourd

(i) Brinjal

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