MCQ Chapter 8 How do the Organisms Reproduce Class 10 Science

Please refer to How do the Organisms Reproduce MCQ Questions Class 10 Science below. These MCQ questions for Class 10 Science with answers have been designed as per the latest NCERT, CBSE books, and syllabus issued for the current academic year. These objective questions for How do the Organisms Reproduce will help you to prepare for the exams and get more marks.

How do the Organisms Reproduce MCQ Questions Class 10 Science

Please see solved MCQ Questions for How do the Organisms Reproduce in Class 10 Science. All questions and answers have been prepared by expert faculty of standard 10 based on the latest examination guidelines.

MCQ Questions Class 10 Science How do the Organisms Reproduce

Question. Consider The Following Statements And Choose The Incorrect One:
(a) Grafting is a method in which the cut stems of two different plants are joined together in such a way that the two stems join and grow as a single plant.
(b) Grafting enables us to combine the most desirable characteristics of the two plants in its flower and fruits.
(c) The new plants produced by artificial vegetative propagation will not be exactly like the parent plants.
(d) None of the above

Question. Where does fertilisation occur in human females?
(a) Uterus
(b) Cervix
(c) Oviduct
(d) None of these

Question. Which of the following is contraceptive ?
(а) condom
(b) copper T
(c) Diaphragm
(d) all

Question. A common feature of reproduction in Amoeba, spirogyra and yeast is that –
(a) Asexual reproduction occurs after sexual reproduction
(b) Asexual reproduction occurs before sexual reproduction
(c) Asexual reproduction does not involve gametes
(d) Asexual reproduction involves only one parent

Question. Evolutionary change is not possible in:
(a) Cross pollination
(b) Sexual reproduction
(c) Asexual reproduction
(d) Fertilization

Question. Ase*ual reproduction is
(a) a method in which more than one parent are involved.
(b) a method by which all types of organisms reproduce.
(c) a method producing genetically identical offspring.
(d) a fusion of specialized cells.

Question. Offsprings formed by asexual method of reproduction have greater similarity among themselves because_______.
(a) Asexual reproduction involves two parent
(b) Asexual reproduction does not involve gametes
(c) Asexual reproduction occurs before sexual reproduction
(d) Asexual reproduction occurs before sexual reproduction

Question. The process of fertilization takes ____ days.
(a) 12
(b) 10
(c) 14
(d) 5

Question. The number of chromosomes in parents and offspring of a particular species remains constant due to
(a) halving of chromosomes during gamete formation.
(b) halving of chromosomes after gamete formation.
(c) doubling of chromosomes after zygote formation.
(d) doubling of chromosomes after gamete formation.

Question. Which of the following statements is not correct about reproduction?
(a) Lot of energy is spent in reproduction
(b) Reproduction creates more individuals
(c) Animals reproduces only by sexual mode of reproduction
(d) Reproduction is not necessary to maintain the life of an individual

Question. The two oviducts in a human female unite into an elastic bag like structure known as
(a) Vagina
(b) Uterus
(c) Fallopian tube
(d) Cervix

Question. Growing foetus derives nutrition from mother through _______.
(а) endosperm
(b) placenta
(c) fallopian tube
(d) cervix

Question. Rose is propogated through ______.
(а) leaf
(b) stem
(c) root
(d) none

Question. In which of the following plant bud in notches of leaves help in its propagation?
(a) Bougainvillea
(b) Bryophyllum
(c) Radish
(d) Jasmine

Question. The rapid spreading of bread mould on slices of bread are due to:
(i) Presence of large number of spores in air
(ii) Presence of large number of thread-like branched hyphae
(iii) Presence of moisture and nutrients
(iv) Formation of round shaped sporangia
(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (ii)
(d) (iii) and (iv)

Question. AIDS is a sexually transmitted disease caused due to an infection by a
(a) bacteria
(b) protozoa
(c) virus
(d) Plasmodium

Question. Hydra usually reproduces by:
(a) fragmentation and budding
(b) regeneration and budding
(c) multiple fission and fragmentation
(d) regeneration

Question. Consider The Following Statements And Choose The Correct One:
(а) The exchange of nutrients Oxygen and waste products between the embryo and the mother takes place through the placenta.
(b) The time period from the fertilization up to the birth of the baby is called gestation.
(c) In human females or girls, the ovaries start releasing ovum or egg at once every 28 days from the age of puberty.
(d) All the above

Question. A multicellular organism which reproduces by budding is:
(a) Hydra
(b) Amoeba
(c) Yeast
(d) Leishmania

Question. What is the importance of reproduction?
(a) It is essential for continuity of life of living organisms.
(b) The variation can be produced from reproduction; it leads to generation of new characteristics.
(c) It is the fundamental powers for heredity
(d) All of the above

Question. The process where the unfertilised egg is released out of the body with the blood used to nourish the embryo is known as
(a) Menstruation
(b) Fertilisation
(c) Germination
(d) Pollination

Question. Fertilization in plants occurs in the –
(a) Embryo sac
(b) Style
(c) Pollen tube
(d) Stigma

Question. In rhizopus tubular structure bearing sporangia at their tips are called __.
(a) filaments
(b) Rhizoids
(c) roots
(d) Hyphae 

Question. Planaria divides by
(a) Multiple Fission
(b) Fragmentation
(c) Regeneration
(d) Vegetative propagation

Question. Megaspore Mother Cell releases number of megaspore by the process of ____
(a) mitosis
(b) sporogenesis
(c) fertilization
(d) meiosis

Question. The female reproductive part of the flower consists of
(a) Stigma, Ovary, Style
(b) Style, Ovary, Thalamus
(c) Stigma, Anther, Filament
(d) Anther, Corolla, Filament

Question. Characters That Are Transmitted From Parents To Offspring During Reproduction Show
(а) Only similarities with parents
(b) Only variations with parents
(c) Both similarities and variations with parents
(d) Neither similarities nor variations

Question. One of the following organisms does not reproduce by budding:
(a) Hydra
(b) Planaria
(c) Yeast
(d) Sponge

Question. The process in which the nucleus first divides amitotically into two followed by the division of the cytoplasm is called
(a) Spore formation
(b) Multiple fission
(c) Budding
(d) Binary fission

Question. The cell formed after fertilization is called :
(а) Foetus
(b) zygote
(c) embryo
(d) none

Question. What is present in pollen Sac?
(a) Calyx
(b) Ovary
(c) Ovule
(d) Pollen grains

Question. In a flower, the parts that produce male and female gametes are
(a) anther and ovary
(b) stamen and anther
(c) stamen and style
(d) filament and stigma

Question. The middle part of carpel of a flower is called:
(a) stigma
(b) style
(c) ovary
(d) ovule

Question. Foetus is a :
(а) well developed embryo
(b) developing embryo
(c) A zygote
(d) male gamete

Question. Spirogyra reproduces by
(a) Fission
(b) Regeneration
(c) Fragmentation
(d) Budding

Question. ___ is thus useful for the survival of species over time.
(a) Variation
(b) Reproduction
(c) Stability
(d) None of the above

Question. The flower is bisexual when it contains
(a) stamens
(b) pistil
(c) both (A) and (B)
(d) none of the above

Question. The number of chromosomes in human sex cell is :
(а) 23
(b) 23 pairs
(c) 46
(d) 46 pairs

Question. The process of vegetative propagation is used for
(a) Roses
(b) Grapes
(c) Sugarcane
(d) All of the above

Question. Transfer of pollen grains trom pollen sac to stigma is called:
(a) pollination
(b) ovulation
(c) fertilization
(d) none of these

Question. The process of the division of cell into several cells during reproduction in Plasmodium is termed as:
(a) Fragmentation
(b) Budding
(c) Multiple fission
(d) Binary fission

Question. Fertilisation occurs in human female when the sperms and ovum reach simultaneously at
(a) fallopian tube
(b) uterus
(c) vagina
(d) cervix

Question. Male reproductive system consists of
(a) Testis
(b) Seminal vesicle
(c) Vas deferens
(d) Prostate gland
(e) All four

Question. Diploid state is denoted as
(a) n
(b) 3n
(c) n²
(d) 2n

Question. Which among the following is not the function of testes at puberty?
(i) formation of germ cells
(ii) secretion of testosterone
(iii) development of placenta
(iv) secretion of estrogen
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)

Question. oviparous are the ones who _____
(a) produce eggs
(b) produce young ones
(c) both a and b
(d) none

Question. Organism produced from two parents is an example of:
(a) Asexual reproduction
(b) Sexual reproduction
(c) Binary fission
(d) Evolution

Question. In human males, the testes lie in the scrotum, because it helps in the:
(a) easy transfer of gametes
(b) process of mating
(c) formation of sperm
(d) all of these

Question. In tissue culture method a small piece of tissue grows and forms:
(a) callus
(b) monocytes
(c) synaps
(d) homeostasis

Question. Which of the following is not the part of female reproductive system?
(a) ovary
(b) fallopian tube
(c) uterus
(d) vas deferens

Question. Which of the following statements are true for flowers?
(i) Flowers are always bisexual
(ii) They are the sexual reproductive organs
(iii) They are produced in all groups of plants
(iv) After fertilization they give rise to fruits
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (ii) and (iv)

Question. During adolescence, several changes occur in the human body. Mark one change from the following associated with sexual maturation in boys:
(a) loss of milk teeth
(b) increase in height
(c) cracking of voice
(d) weight gain

Question. Choose the correct statement(s) on budding in yeast from the following:
I. A parent cell divides into two or more daughter cells and here the parent identity is lost.
II. In this the elongated nucleus divides to form two or more daughter nuclei.
III. A bud arises from a particular region on a parent body.
IV. After detaching from the parent body the bud grows into a new independent individual.
(a) I only
(b) III only
(c) II and III only
(d) III and IV only

Question. The number of chromosomes in parents and offsprings of a particular species remains constant due to:
(a) Doubling of chromosomes after zygote formation
(b) Halving of chromosomes during gamete formation
(c) Doubling of chromosomes after gamete formation
(d) Halving of chromosomes after gamete formation

Question. In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called:
(a) Filaments
(b) Hyphae
(c) Rhizoids
(d) Roots

Question. Select the correct statements for the process of budding in yeast:
(i) A bud arises from a particular region on a parent body.
(ii) A parent cell divides into two daughter cells, here the parent identity is lost.
(iii) Before detaching from the parent body a bud may form another bud.
(iv) A bud when detaches from the parent body grows into a new individual.
(a) (i), (ii) and (iii)
(b) (ii), (iii) and (iv)
(c) (iii), (iv) and (i)
(d) (iv), (i) and (ii)

Question. Which among the following statements are true for sexual reproduction in flowering plants?
(i) It requires two types of gametes.
(ii) Fertilisation is a compulsory event.
(iii) It always results in the formation of zygote.
(iv) Offsprings formed are clones.
(a) (i) and (iv)
(b) (i), (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (i), (ii) and (iii)

Question. Characters transmitted from parents to offspring are present in:
(a) Cytoplasm
(b) Ribosome
(c) Golgi bodies
(d) Genes

Question. In figure, the parts A, B and C are sequentially: (Image 176)
(a) Cotyledon, plumule and radicle
(b) Plumule, radicle and cotyledon
(c) Plumule, cotyledon and radicle
(d) Radicle, cotyledon and plumule

Question. Characters that are transmitted from parents to offspring during reproduction show:
(a) Only similarities with parents
(b) Only variations with parents
(c) Both similarities and variations with parents
(d) Neither similarities nor variations 

Question. A student observes the following stage of binary fission in Amoeba in a focussed slide under a microscope. Select the correct observation in this regard.   (Image 173)
(a) First stage of binary fission
(b) Final stage of binary fission
(c) That stage of binary fission in which the cytoplasm divides but the nucleus does not
(d) That stage of binary fission in which the nucleus divides but the cytoplasm does not 

Question. Semen which contains millions of sperms also contains secretions of seminal vesicle and prostrate gland (accessory glands). It makes the tranport of sperms easier and provide nutrition to sperms.
Correct sequence of organs in the male reproductive system for transport of sperms is:
(a) Testis → vas deferens → urethra
(b) Testis → ureter → urethra
(c) Testis → urethra → ureter
(d) Testis → vas deferens → ureter

Question. Reproduction is essential for living organisms to order to:
(a) Keep the individual organism alive
(b) Fulfill their energy requirements
(c) Maintain growth
(d) Continue the species generation after generation 

Assertion-Reason (A-R) Questions
For the following questions two statements are given- one labeled Assertion (A) and the other labeled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:
(a) Both (A) and (R) are true and (R) is correct explanation of the assertion.
(b) Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
(c) (A) is true but (R) is false.
(d) (A) is false but (R) is true.

Question. Assertion (A) : Testes in human males are located outside the abdominal cavity in scrotum.
Reason (R) : Testes secrete the male sex hormone testosterone.
Answer : (b)

Question. Assertion (A) : The human embryo gets implanted in the fallopian tube.
Reason (R) : Embryo gets nutrition from the mother’s blood with the help of special tissue called the Placenta.
Answer : (d)

Question. Assertion (A) : A basic event in reproduction is the creation of a DNA copy.
Reason (R) : The DNA in the cell nucleus is the information source for making proteins.
Answer : (a)

Question. Assertion (A) : Variation is useful for the survival of species over time.
Reason (R) : Populations of organisms fill well-defined places in the ecosystem, using their ability to reproduce.
Answer : (b)

Question. Assertion (A) : Spores in Rhizopus are covered by thick walls.
Reason (R) : The thick wall protects the spores until they come into contact with a moist surface.
Answer : (a)

Question. Assertion (A) : The process of DNA copying does not result in variations.
Reason (R) : No biochemical reaction is absolutely reliable. 
Answer : (d)

Question. Assertion (A) : Vegetative propagation makes possible propagation of plants that have lost the capacity to produce seeds.
Reason (R) : New plants are developed from seeds in vegetative propagation.
Answer : (c)

Question. Assertion (A) : Pollen grains are produced by all flowers.
Reason (R) : Stamen is the male reproductive Mpart of a flower and produces pollen grains.
Answer : (d)

Question. Assertion (A) : All multi-cellular organisms can divide cell-by-cell.
Reason (R) : Many multi-cellular organisms are not simply a random collection of cells.
Answer : (d)