Students of class 12 Biology should refer to MCQ Questions Class 12 Biology Reproduction in Organisms with answers provided here which is an important chapter in Class 12 Biology NCERT textbook. These MCQ for Class 12 Biology with Answers have been prepared based on the latest CBSE and NCERT syllabus and examination guidelines for Class 12 Biology. The following MCQs can help you to practice and get better marks in the upcoming class 12 Biology examination

Chapter 1 Reproduction in Organisms MCQ with Answers Class 12 Biology

MCQ Questions Class 12 Biology Reproduction in Organisms provided below have been prepared by expert teachers of grade 12. These objective questions with solutions are expected to come in the upcoming Standard 12 examinations. Learn the below provided MCQ questions to get better marks in examinations.

Question. Meiosis takes place in
(a) gemmule
(b) megaspore
(c) meiocyte
(d) conidia

Question. Sexual reproduction can be grouped into _______ distinct states.
(a) two
(b) three
(c) four
(d) five

Question. In flowering plants both male and female gametes are non-motile. The method to bring them together for fertilization is
(a) water
(b) air
(c) pollination
(d) apomixis

Question. 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:
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (ii) and (iv)
(d) (i) and (iii)

Question. The period of growth from birth till attainment of sexual maturity is called
(a) Asexual phase
(b) Immature phase
(c) Maturation phase
(d) Juvenile phase

Question. Development of an egg without fertilization is called
(a) gametogenesis
(b) metagenesis
(c) oogenesis
(d) parthenogenesis

Question. Which of the followings is a post-fertilization event in flowering plants ?
(a) Transfer of pollen grains
(b) Embryo development
(c) Formation of flower
(d) Formation of pollen grains

Question. 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.

Question. The statements given below describe certain features that are observed in the pistil of flowers. 
(i) Pistil may have many carpels
(ii) Each carpel may have more than one ovule
(iii) Each carpel has only one ovule
(iv) Pistil have only one carpel
Choose the statements that are true from the options below.
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (iii) and (iv)

Question. Amoeba and yeast reproduce asexually by fission and budding respectively, because they are
(a) microscopic organisms
(b) heterotrophic organisms
(c) unicellular organisms
(d) uninucleate organisms

Question. 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.
(a) (i) and (iv)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (i) and (iv)

Question. 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.

Question. Given below are a few statements related to external fertilisation. Choose the correct statements. 
(i) The male and female gametes are formed and released simultaneously.
(ii) Only a few gametes are released into the medium.
(iii) Water is the medium in a majority of organisms exhibiting external fertilisation.
(iv) Offspring formed as a result of external fertilisation have better chance of survival than those formed inside an organism.
(a) (iii) and (iv)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (i) and (iv)

Question. The most common asexual reproductive structure of algae and fungi are
(a) agygospore
(b) zoospore
(c) buds
(d) conidia

Question. Vegetative propagation in mint occurs by
(a) stolon
(b) offset
(c) runner
(d) sucker

Question. Which of the following situations correctly describe the similarity between an angiosperm egg and a human egg? 
(i) Eggs 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 mobile
(iv) Syngamy in both results in the formation of zygote
Choose the correct answer from the options given below.
(a) (ii) and (iv)
(b) (iv) only
(c) (iii) and (iv)
(d) (i) and (iv)

Question. Homothallism represents
(a) asexual condition
(b) unisexual condition
(c) bisexual condition
(d) none of these

Question. There is no natural death in single celled organisms like Amoeba and bacteria because
(a) they cannot reproduce sexually
(b) they reproduce by binary fission
(c) parental body is distributed among the offspring
(d) they are microscopic

Question. Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution.
(i) Lower groups of organisms have simpler body design
(ii) Asexual reproduction is common in lower groups
(iii) Asexual reproduction is common in higher groups of organisms
(iv) The high incidence of sexual reproduction in angiosperms and vertebrates
Choose the correct answer from the options given below:
(a) (i) and (iii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (ii) and (iii)

Question. Offspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because
(a) sexual reproduction is a lengthy process
(b) gametes of parents have qualitatively different genetic composition
(c) genetic material comes from parents of two different species
(d) greater amount of DNA is involved in sexual reproduction.

Question. Choose the correct statement from amongst the following.
(a) Dioecious (hermaphrodite) organisms are seen only in animals
(b) Dioecious organisms are seen only in plants
(c) Dioecious organisms are seen in both plants and animals
(d) Dioecious organisms are seen only in vertebrates

Question. A gamete from a diploid parent is haploid, then from a haploid parent will be
(a) Ooploid
(b) Haploid
(c) 1/4n
(d) Tetraploid

Question. During formation of zygote
(a) fertilisation of male gamete occurs
(b) fertilisation of both gametes occurs
(c) fertilisation of female gamete occurs
(d) either (a) or (c)

Question. In yeast cell division results in a small cell called
(a) bud
(b) clone
(c) branch
(d) offspring

Question. 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 organism’s habitat, physiology and genetic makeup

Question. Identify the incorrect statement.
(a) In asexual reproduction, the offspring produced are morphologically and genetically identical to the parent
(b) Zoospores are sexual reproductive structures
(c) In asexual reproduction, a single parent produces offspring with or without the formation of gametes
(d) Conidia are asexual structures in Penicillium

Question. In Bryophyllum adventitious buds arise from
(a) leaves
(b) root
(c) stems
(d) flowers

Question. 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

Question. A clone is a group of individuals obtained through
(a) self-pollination
(b) hybridization
(c) asexual reproduction
(d) cross-pollination

Question. Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because.
(a) nodes are shorter than internodes
(b) nodes have meristematic cells
(c) nodes are located near the soil
(d) nodes have non-photosynthetic cells

Question. Which of the following statement is correct in the process of fertilization ?
(a) Only one sperm reaches the egg and enters it.
(b) The entry of sperm activates the egg for completing meiosis.
(c) Two haploid nuclei fuse and immediately divide to produce two nuclei which are again haploid.
(d) Only the acrosome of the sperm enters the egg.

Question. The period from birth to the natural death of an organism represents
(a) gametophytic phase
(b) sporophytic phase
(c) life span
(d) life cycle

Question. Which ot the following has the longest life span ?
(a) Butterfly
(b) Crocodile
(c) Parrot
(d) Tortoise

Question. The term clone is used to describe such ___________and ________ similar individual.
(a) chemically, genetically
(b) physiologically, chemically
(c) morphologically, genetically
(d) morphologically, metabolically

Question. Asexual reproduction is common among
(a) single celled organisms only.
(b) plants only.
(c) animals with simple organization.
(d) single celled animals, plants and animals with simple organizations.

Question. In protists and monerans, asexual reproduction occurs by
(a) budding
(b) binary fission
(c) conidia
(d) multiple fission

Question. 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 
(a) haploid vegetative cells and diploid gametangia
(b) diploid vegetative cells and diploid gametangia
(c) diploid vegetative cells and haploid gametangia
(d) haploid vegetative cells and haploid gametangia.

Question. Fleshy buds produced in the axil of leaves, which grow to form new plants when shed and fall on ground are called
(a) Bulbs
(b) Bulbils
(c) Tubers
(d) Offset

Question. The term ‘Terror of Bengal’ is used for
(a) Bengal tiger
(b) water hyacinth
(c) algal bloom
(d) aquatic fauna

Question. The end of vegetative phase in plants which marks the beginning of the reproductive phase can be easily seen in the higher plants when they come to
(a) flower
(b) fertilize
(c) pollinate
(d) None of the above

We hope the above multiple choice questions for Class 12 Biology for Chapter 1 Reproduction in Organisms provided above with answers based on the latest syllabus and examination guidelines issued by CBSE, NCERT and KVS are really useful for you. Reproduction in Organisms is an important chapter in Class 12 as it provides very strong understanding about this topic. Students should go through the answers provided for the MCQs after they have themselves solved the questions. All MCQs have been provided with four options for the students to solve. These questions are really useful for benefit of class 12 students. Please go through these and let us know if you have any feedback in the comments section.