CBSE Class 10 Biology How do Organisms Reproduce MCQs

Question. Which of the following is formed during tissue culture?     
(a) Embryo
(b) Callus
(c) Cotyledon
(d) Gametes
Answer : B

Question. The method commonly used to produce new rose plants is     
(a) layering
(b) tissue culture
(c) cutting
(d) grafting
Answer : C

Question. In human females the fertilized egg gets implanted in the     
(a) uterus
(b) vagina
(c) ovary
(d) ureter
Answer : A

Question. Vegetative propagation can take place by means of     
(a) roots only
(b) stem only
(c) roots, stem and leaves
(d) none of these 
Answer : C

Question. The fusion of a male and a female gamete results in the formation of     
(a) egg
(b) sperm
(c) spore
(d) zygote
Answer : D

Question. The ovary releases an egg approximately every     
(a) 8 days
(b) 14 days
(c) 21 days
(d) 28 days
Answer : D

Question. Which of these secretes seminal fluid?     
(a) Seminal vesicle
(b) Prostate gland
(c) Neither of these
(d) Both of these
Answer : D

Question. Which of these can undergo fragmentation or regeneration?     
(a) Sponge
(b) Flatworm
(c) Spirogyra
(d) All of these
Answer : D

Question. In which part of the female human reproductive system is the ovum normally fertilized by a sperm?     
(a) Ovary
(b) Oviduct
(c) Uterus
(d) Vagina
Answer : B

Question. Which of these is not a sexually transmitted disease?     
(a) AID
(b) Syphilis
(c) Typhoid
(d) Gonorrhoea
Answer : C

Question. Which of the following is found in men?     
(a) Vas deferens
(b) Fallopian tube
(c) Ovum
(d) Placenta
Answer : A

Question. Which of the following does not happen in asexual reproduction?     
(a) Binary fission
(b) Multiple fission
(c) Fertilization
(d) Budding
Answer : C

Question. Which among the following does not reproduce by spore formation? 
(a) Penicillium fungus
(b) Yeast fungus
(c) Mucor fungus
(d) Rhizopus fungus
Answer : B

Question. Fertilisation results immediately in the formation of? 
(a) a zygote
(b) a placenta
(c) an embryo
(d) a foetus
Answer : A

Question. The development of fruit after fertilization occurs from: 
(a) androecium
(b) stigma
(c) style
(d) ovary
Answer : D

Question. The number of chromosomes in both parents and offsprings of a particular species remains constant because: 
(a) Chromosomes get doubled after zygote formation
(b) Chromosomes get doubled after gamete formation
(c) Chromosomes get halved during gamete formation
(d) Chromosomes get halved after gamete formation
Answer : C

Question. The hormone that supports endometrium during pregnancy is 
(a) Oestrogen
(b) Progesterone
(c) Luteinizing hormone
(d) None
Answer : B

Question. The ability to give rise to new individual organisms from their body parts. 
(a) Regeneration
(b) Reproduction
(c) Fragmentation
(d) Fission
Answer : A

Question. The movement of sperm is due to the ____ present in them. 
(a) glucose
(b) fructose
(c) sucrose
(d) all of these
Answer : B

Question. What is the surgical method of contraception used in human males? 
(a) Vasectomy
(b) Condoms
(c) Contraceptive pills
(d) Tubectomy
Answer : A

Question. (A) Fusion of gametes gives rise to a single cell called zygote. 
(R) Zygote is a fertilised ovum.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer : B

Question. A sexual reproduction takes place through budding in: 
(a) Amoeba
(b) Yeast
(c) Plasmodium
(d) Leishmania
Answer : B

Question. Vegetative propagation refers to the formation of new plants from the following existing organs of the old plants: 
(a) stems, roots and leaves
(b) stems, roots and flowers
(c) stems, leaves and flowers
(d) stems, flowers and fruits
Answer : A

Question. Fertiization will not take place if 
(a) the vas deferens in the male is blocked
(b) the fallopian tube in the female is blocked
(c) both (A) and (B)
(d) none of the above
Answer : C

Question. The 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 

Answer : A

Question. The correct sequence of reproductive stages seen in flowering plants is
(A) gametes, zygote, embryo, seedling
(B) zygote, gametes, embryo, seedling
(C) seedling, embryo, zygote, gametes
(D) gametes, embryo, zygote, seedling 

Answer : A

Question. Factors responsible for the rapid spread of bread mould on slices of bread are
(i) large number of spores.
(ii) availability of moisture and nutrients in bread.
(iii) presence of tubular branched hyphae.
(iv) formation of round shaped sporangia.
(A) (i) and (iii)
(B) (ii) and (iv)
(C) (i) and (ii)
(D) (iii) and (iv) 

Answer : C

Question. A feature of reproduction that is common to Amoeba, Spirogyra and Yeast are that
(A) they reproduce asexually.
(B) they are all unicellular.
(C) they reproduce only sexually.
(D) they are all multicellular. 

Answer : A

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 fertilisation they give rise to fruits.
(A) (i) and (iv)
(B) (ii) and (iii)
(C) (i) and (iii)
(D) (ii) and (iv)

Answer : D

Question. In the list of organisms given below, those that reproduce by the asexual method are
(i) Banana
(ii) Dog
(iii) Yeast
(iv) Amoeba
(A) (ii) and (iv)
(B) (i), (iii) and (iv)
(C) (i) and (iv)
(D) (ii), (iii) and (iv) 

Answer : B

Question. Asexual reproduction takes place through budding in
(A) Amoeba
(B) Yeast
(C) Plasmodium
(D) Leishmania 

Answer : B

Question. In Spirogyra, asexual reproduction takes place by
(A) breaking up of filaments into smaller bits.
(B) division of a cell into two cells.
(C) division of a cell into many cells.
(D) formation of young cells from older cells. 

Answer : A

Question. In human females, an event that reflects onset of reproductive phase is
(A) growth of body
(B) changes in hair pattern
(C) change in voice
(D) menstruation 

Answer : D

Question. Which of the following are examples of vegetative reproduction in plants? 
(A) Tomato, lady's finger, onion and cauliflower
(B) Potato, ginger, onion and sugarcane
(C) Cauliflower, onion, potato and tomato
(D) Lady's finger, onion, ginger and sugarcane

Answer : B

Question. Reproduction is essential for living organisms in order to
(A) keep the individual organism alive.
(B) fulfill their energy requirement.
(C) maintain growth.
(D) continue the species generation after generation. 

Answer : D

Question. A student while observing an embryo of a gram seed listed various parts of the embryo as listed below: Testa, Micropyle, Cotyledon, Tegmen, Plumule, Radicle.
On examining the list the teacher commented that only three parts are correct. Select these three correct parts:
(A) Cotyledon, Testa, Plumule
(B) Cotyledon, Plumule, Radicle
(C) Cotyledon, Tegmen, Radicle
(D) Cotyledon, Micropyle, Plumule 

Answer : B

Question. Offspring formed by asexual method of reproduction have greater similarity among themselves because
(i) asexual reproduction involves only one parent.
(ii) asexual reproduction does not involve gametes.
(iii) asexual reproduction occurs before sexual reproduction.
(iv) asexual reproduction occurs after sexual reproduction.
(A) (i) and (ii)
(B) (i) and (iii)
(C) (ii) and (iv)
(D) (iii) and (iv) 

Answer : A

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 

Answer : B

Question. The ability of a cell to divide into several cells during reproduction in Plasmodium is called
(A) budding
(B) reduction division
(C) binary fission
(D) multiple fission 

Answer : D

Question. Which of the following is not a part of the female reproductive system in human beings? 
(A) Ovary
(B) Uterus
(C) Vas deferens
(D) Fallopian tube

Answer : C

Question. Length of pollen tube depends on the distance between 
(A) pollen grain and upper surface of stigma
(B) pollen grain on upper surface of stigma and ovule
(C) pollen grain in anther and upper surface of stigma
(D) upper surface of stigma and lower part of style

Answer : B

Question. Vegetative propagation refers to formation of new plants from
(A) stem, roots and flowers.
(B) stem, roots and leaves.
(C) stem, flowers and fruits.
(D) stem, leaves and flowers. 

Answer : B

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 

Answer : C

Question. Which among the following diseases is not sexually transmitted?
(A) Syphilis
(B) Hepatitis
(C) HIV - AIDS
(D) Gonorrhoea 

Answer : B

Question. In a flower, the parts that produce male and female gametes (germ cells) are 
(A) stamen and anther
(B) filament and stigma
(C) anther and ovary
(D) stamen and style

Answer : C

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) 

Answer : C

Question. During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys.
(A) Loss of milk teeth
(B) Increase in height
(C) Cracking of voice
(D) Weight gain 

Answer : C

Question. Which of the following is the correct sequence of events of sexual reproduction in a flower? 
(A) Pollination, fertilisation, seedling, embryo
(B) Seedling, embryo, fertilisation, pollination
(C) Pollination, fertilisation, embryo, seedling
(D) Embryo, seedling, pollination, fertilisation

Answer : C

Question. In human males, the testes lie in the scrotum, because it helps in the
(A) process of mating.
(B) formation of sperm.
(C) easy transfer of gametes.
(D) all of the above. 

Answer : B

Question. Unisexual flowers contain 
(a) both stamen and carpel
(b) only stamen
(c) only carpel
(d) either stamen or carpel.
Answer : D

Question. Which of the following is not a surgical method of birth control? 
(i) Copper-T
(ii) Tubectomy
(iii) Vasectomy
(iv) Using condoms
(a) (i) and (iv)
(b) Only (iv)
(c) (ii), (iii) and (iv)
(d) (i), (ii) and (iii)
Answer : A

Question. Human seminal plasma, the fluid part of semen, is produced by contributions from which of the given part? 
A. Prostate gland
B. Bulbourethral gland
C. Urethra
D. Seminal vesicles
(a) A and D only
(b) A only
(c) A, B, C and D
(d) A, B and D only
Answer : D

Question. Sexual reproduction is the mode of reproduction that 
(i) depend on the involvement of two different gametes.
(ii) incorporates a process of combining DNA from two gametes.
(iii) gives better chances of variations as compared to asexual reproduction.
(iv) gives rise to genetically identical offspring.
(a) (i) and (ii)
(b) (i), (iii) and (iv)
(c) (i), (ii) and (iv)
(d) (i), (ii) and (iii)
Answer : D

Question. If there is no formation of egg cell during the development of ovule, then after fertilisation which of the following structure will not develop? 
(a) Embryo
(b) Endosperm
(c) Seed
(d) Fruit
Answer : A

Question. Examples of vegetatively reproducing plants are 
(a) tomato, okra, onion, cauliflower
(b) potato, ginger, onion, sugarcane
(c) cauliflower, onion, potato, tomato
(d) okra, onion, ginger, sugarcane.
Answer : B

Question. Select the correct match. 
Organism Mode of reproduction
(a) Bryophyllum – Leaf bud
(b) Hydra – Binary fission
(c) Paramecium – Multiple fission
(d) Spirogyra – Vegetative propagation
Answer : A

Question. Select the incorrect statement regarding seeds. 
(a) Seeds have tough seed coat that protects them from external environment.
(b) Cotyledons store food.
(c) Plumule develops into the root system.
(d) Seeds contain the future plant called embryo.
Answer : C

Question. ––––––– is the portion on which grafting is done and it provides the roots. 
(a) Stock
(b) Scion
(c) Bud
(d) None of these
Answer : A

Question. The type of reproduction shown in the figure is 

(a) budding
(b) agamogenesis
(c) regeneration
(d) fission.
Answer : C

Question. How many male gametes are found in pollen tube: 
(a) one
(b) two
(c) three
(d) four
Answer : B

Question. Which among the following statements are false for sexual reproduction in flowering plants? 
(a) It requires two type of gametes
(b) fertilization is compulsory
(c) it always results in formation of zygote
(d) offspring’s are clones
Answer : D

Question. Which of the following plant has unisexual flowers? 
(a) Hibiscus
(b) Mustard
(c) Papaya
(d) Pansy
Answer : C

Question. Which of the following is a contraceptive? 
(a) Coppert
(b) Condom
(c) Diaphragm
(d) All of these
Answer : D

Question. In A Flower, The Parts That Produce Male And Female Gametes (Germ Cells) Are 
(a) Stamen and anther
(b) Filament and stigma
(c) Anther and ovary
(d) Stamen and style
Answer : C

Question. Following is (are) asexual reproduction 
(a) Budding
(b) Spore formation
(c) Regeneration
(d) All of the above
Answer : D

Question. Reproduction is important as it allows: 
(a) Loss of vigour
(b) Sterility in organism
(c) Perpetuation of speciescorrect
(d) Defects in offspring
Answer : C

Question. (A) Testes are present outside the abdominal cavity of the body. 
(R) Sperm formation requires a lower temperature than the normal body temperature.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true and R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Answer : A

Question. A feature of reproduction that is common to Amoeba, Spirogyra and Yeast is that 
(a) they reproduce asexually 
(b) they are all unicellular
(c) they reproduce only sexually
(d) they are all multicellular
Answer : A

Question. Artificial way to vegetative propagation is: 
(a) Layering
(b) Grafting
(c) Cutting
(d) All of these
Answer : D

Question. Read The Following Sentences Carefully, And Choose The Incorrect One: 
(а) Many single celled organisms like protozoa and bacteria just split into two identical halves during cell division, leading to the creation of new organisms, called fission.
(b) In multiple fission the parent organism divides to form many new organisms at the same time
(c) In binary fission the parent organism divides to form three new organisms.
(d) Paramecium and amoeba dividing or reproducing by the method of binary fission.
Answer : C

Question. Testes are present outside the body in man because: 
(a) there is less space in the abdominal cavity
(b) temperature is less outside the body
(c) copulation is easy
(d) none of the above
Answer : B

Question. Variations in offspring are mainly introduced as a result of: 
(a) Cloning
(b) Asexual reproduction
(c) Parthenogenesis
(d) Sexual reproduction
Answer : D

Question. The figure given alongside shows the human male reproductive organs. Which structures make sperms and seminal fluid? 
(a) V makes sperms and X makes seminal fluid
(b) W makes sperms and Y makes seminal fluid
(c) X makes sperms and W makes seminal fluid
(d) Y makes sperms and V makes seminal fluid
Answer : D

Question. Pollen grains are ___ in color. 
(a) Reddish
(b) Yellowish
(c) Bluish
(d) Whitish
Answer : B