Q 1 – The number of modes by which animals reproduce are
(a) two
(b) three
(c) four
(d) none of these
Ans. (a) two
Q 2 – Binary fission is observed in
(a) Hydra
(b) yeast
(c) Amoeba
(d) human being
Ans. (c) Amoeba
Q 3 – Asexual reproduction is observed in
(a) cow
(b) buffalo
(c) sponge
(d) hen
Ans. (c) sponge
Q 4 – In Hydra, the mode of reproduction is
(a) asexual
(b) sexual
(c) both (a) and (b)
(d) none of these
Ans. (a) asexual
Q 5 – The animals that produce new young ones are called
(a) viviparous
(b) oviparous
(c) both
(d) none of these
Ans. (a) viviparous
Q 6 – The male gamete or sperm consists of
(a) three parts
(b) two parts
(c) four parts
(d) none of these
Ans. (a) three parts
Q 7 – Ovum or eggs are formed in
(a) ovary
(b) testes
(c) penis
(d) ovident
Ans. (a) ovary
Q 8 – Internal fertilisation takes place
(a) inside male body
(b) inside female body
(c) outside female body
(d) outside male body
Ans. (b) inside female body
Q 9 – In humans, the development of fertilised egg takes place in the
(a) ovary
(b) oviduct
(c) testis
(d) uterus
Ans. (d) uterus
Q 10 – The cell formed after fertilisation is called
(a) embryo
(b) foetus
(c) zygote
(d) eggA
Ans. (c) zygote
Q 11 – The fusion of sperm and ova usually occur in the
(a) ovary
(b) uterus
(c) testes
(d) oviduct
Ans. (d) oviduct
Q 12 – Sets of reproductive terms are given below. Choose the set that has an incorrect combination.
(a) Sperm, testis, sperm duct, penis
(b) Menstruation, egg, oviduct, uterus
(c) Sperm, oviduct, egg, uterus
(d) Ovulation, egg, oviduct, uterus
Ans. (c) Sperm, oviduct, egg, uterus
Q 13 – Which of the following shows external fertilisation?
(a) Frog
(b) Human being
(c) Cow
(d) Hen
Ans. (a) Frog
Q 14 – Which one of the following is not a part of female reproductive organs?
(a) Uterus
(b) Ovary
(c) Oviduct
(d) Penis
Ans. (d) Penis
Q 15 – In the list of animals given below, hen is the odd one out.
‘human being, cow, dog, hen’
The reason for this is
(a) it undergoes internal fertilisation
(b) it is oviparous
(c) it is viviparous
(d) it undergoes external fertilization
Ans. (b) it is oviparous
Q 16 – Animals exhibiting external fertilisation produce a large number of gametes. Pick the appropriate reason from the following
(a) The animals are small in size and want to produce more offsprings.
(b) Food is available in plenty in water.
(c) To ensure better chance of fertilisation.
(d) Water promotes production of large number of gametes.
Ans. (c) To ensure better chance of fertilisation.
Q 17 – Which is not a viviparous animal?
(a) Human being
(b) Cow
(c) Dog
(d) Butterfly
Ans. (d) Butterfly
Q 18 – Budding occurs in
(a) Amoeba
(b) dog
(c) Paramecium
(d) yeast
Ans. (d) yeast
Q 19 – The female gamete is called
(a) ova
(b) sperm
(c) zygote
(d) uterus
Ans. (a) ova
Q 20 – The male gamete is called
(a) sperm
(b) ova
(c) embryo
(d) zygote
Ans. (a) sperm
Q 21 – Match the items given in column I suitably with those given in column II.
| Column I | Column II |
| 1. Fission of male and female gametes | (a) Frog |
| 2. External fertilisation | (b) Fertilisation |
| 3. Female gametes | (c) Lay eggs |
| 4. Oviparous | (d) Asexual reproduction |
| 5. Single parent | (e) Ovum |
| 6. Main female reproductive organ | (f) Sperm |
| 7. Amoeba | (g) Ovary |
| 8. Yeast | (h) Binary fission |
| 9. Cloned sheep | (i) Budding |
| 10. Testes | (j) Dolly |
Ans.
| Column I | Column II |
| 1. Fission of male and female gametes | (b) Fertilisation |
| 2. External fertilisation | (a) Frog |
| 3. Female gametes | (e) Ovum |
| 4. Oviparous | (c) Lay eggs |
| 5. Single parent | (d) Asexual reproduction |
| 6. Main female reproductive organ | (g) Ovary |
| 7. Amoeba | (h) Binary fission |
| 8. Yeast | (i) Budding |
| 9. Cloned sheep | (j) Dolly |
| 10. Testes | (f) Sperm |
Q 22 – Fill in the blanks with suitable word/s.
a.)__________ is the process that ensures continuity of life on earth.
Ans. Reproduction
b.) __________ are the cells involved in sexual reproduction.
Ans. Gametes
c.)The animals which lay eggs are called __________.
Ans. oviparous
d.)The animals which give birth to young ones are called __________.
Ans. viviparous
e.)__________ is the process of fusion of gametes.
Ans. Fertilisation
f.)The process of reproduction involving fusion of male and female gametes is called __________ reproduction.
Ans. sexual
g.) The testes produce the male gametes called __________.
Ans. sperms
h.) Sperms are __________ in size.
Ans. very small
i.)Sperm is a ……………. cell.
Ans. single
j.) The female reproductive organ consists of ……………. , ……………. and …………….
Ans. ovaries, oviduct, uterus
k.)The ovary produces female gamete called __________..
Ans. ova (egg)
l.) An ova or egg is a __________ cell.
Ans. single
m.) __________ is a fertilised egg.
Ans. Zygote
n.) nternal fertilisation takes place inside __________.
Ans. : female body : IVF
o.) Babies born through __________ technique are called test tube babies.
Ans. : IVF
p.) __________ fertilisation takes place outside the female body.
Ans. External
q.) Fertilisation results in the formation of __________ and __________.
Ans. zygote, embryo
r.) All living organisms have the power to __________.
Ans. reproduce
s.) __________ produces sperm in male.
Ans. : Testes
t.)In __________ reproduction only a single parent is involved.
Ans. : asexual
Q 23 – State whether the given statements are true or false
a.)Zygote is an unfertilised egg. False
b.)External fertilisation occurs in frog. True
c.)An embryo is made up of multicells. True
d.)Amoeba reproduces by budding. False
e.) Fertilisation is not necessary in asexual reproduction. True
f.) Each sperm is multicellular. False
g.)A new young one is developed from a cell called gamete. False
h.) Cloning is a sexual reproduction method in any living organisms. False
i.) Viviparous animals give birth to young ones. True
j.) Male gametes are sperms. True
k.) Female gametes are ovum. True
l.) Starfish reproduces by external fertilisation. True
m.) Two individuals are needed for sexual reproduction. True
n.) Internal fertilisation occurs in dogs and cats. : True
o.) An embryo grows in uterus. True
Q 24 – Internal fertilization does not occur in
(a) human
(b) dog
(c) fish
(d) cow
Ans. (c) fish
Q 25 – Every month ______________mature egg(s) are released from ovary.
(a) Four
(b) Three
(c) Two
(d) One
Ans. (d) One
Q 26 – The animals that produce young ones are called
(a) Oviparous
(b) Viviparous
(c) Both
(d) None of these
Ans. (b) Viviparous
Q 27 – Which of the following statements about the human female egg cell is incorrect?
(a) It is produced when a female reaches puberty.
(b) The two ovaries in a female alternately produce the egg cells.
(c) One egg cell is usually produced by a female every 28 days.
(d) An egg cell can live in the body of a female for about a month.
Ans. (d) An egg cell can live in the body of a female for about a month
Q 28 – Development of baby takes place inside
(a) Oviduct
(b) Cervix
(c) Uterus
(d) Vagina
Ans. (c) Uterus
Q 29 – The cell formed after fertilisation is called
(a) Foetus
(b) Zygote
(c) An embryo
(d) None of these
Ans. (b) Zygote
Q 30 – Female reproductive system contains ______ of ovaries.
(a) Single
(b) Four pair
(c) A pair
(d) Two pair
Ans. (c) A pair
Q 31 – The first cloned sheep was named
(a) Molly
(b) Dolly
(c) Gamer
(d) Toto
Ans. (b) Dolly
Q 32 –. Which part within the uterus prevents the mixing of the blood of the foetus with that of the mother?
(a) Umbilical cord
(b) Uterus wall
(c) Placenta
(d) Water sac
Ans. (c) Placenta
Q 33 – Process of formation of spermatozoa is called
(a) Oogenesis
(b) Blast genesis
(c) Spermatogenesis
(d) Semen formation
Ans. (c) Spermatogenesis
Q 34 – The testes produce male gametes called
(a) Metaphysic
(b) Sperms
(c) Ovum
(d) Zygote
Ans. (b) Sperms
Q 35 – In asexual reproduction
(a) No parents are involved
(b) Four parents are involved
(c) One parent is involved
(d) Two parents are involved
Ans. (c) One parent is involved
Q 36 – Which of the following is/are paired structure in human reproductive system?
(a) Ovary
(b) Testes
(c) Fallopian tube
(d) All of these
Ans. (d) All of these
Q 37 – Type of reproduction in which fusion of male and female gametes takes place is called
(a) Cellular reproduction
(b) Asexual reproduction
(c) Vegetative reproduction
(d) Sexual reproduction
Ans. (d) Sexual reproduction
. Q 38 – Which of the following sequences is in the correct order?
(a) Zygote → Embryo → Foetus → Baby
(b) Zygote → Embryo → Baby → Foetus
(c) Embryo→ Zygote → Baby → Foetus
(d) Foetus → Zygote → Embryo → Baby
Ans. (a) Zygote → Embryo → Foetus → Baby Eggs are formed in the:
Q 38 – In yeast, asexual reproduction takes place by
(a) Cutting
(b) Vegetative reproduction
(c) Budding
(d) Binary fission
Ans. (c) Budding
Q 39 – Tadpole is the developing stage of:
(a) Dogs
(b) Cats
(c) Frogs
(d) Human
Ans. (c) Frogs
Q 40 – The age between 13 years to 19 years is called
(a) Adult age
(b) Teenage
(c) Child age
(d) Growth age
Ans. (b) Teenage
Q 41 – Which of the following can prevent sexually transmitted disease?
(a) Oral contraceptives
(b) Vasectomy
(c) Condom
(d) Veginal pills
Ans. (c) Condom
Q 42 – The modes of reproduction in animals are
(a) Only one type
(b) Two types
(c) Three types
(d) Four types
Ans. (b) Two types
Q 43 – How are Paramecium and Amoeba are similar?
(a) Unicellular.
(b) Does not have a nucleus.
(c) Reproduces by binary fission.
(d) Both (A) and (C)
Ans. (d) Both (A) and (C)
Q 44 – Which of these organisms reproduce in the same way as yeast?
(a) Hydra
(b) Amoeba
(c) Starfish
(d) Flatworm
Ans. (a) Hydra
Q 45 – During mitosis
(a) One cell enlarge into one cell
(b) One cell divide into two cells
(c) One cell divide into four cells
(d) One cells divide into eight cells
Ans. (b) One cell divide into two cells
Q 46 – The fusion of a male and female gamete results in the formation of:
(a) Egg
(b) Zoospore
(c) Sperm
(d) Zygote
Ans. (d) Zygote
The fusion of a male and female gamate results in the formation of zygote
Q 47 – The developing zygote is called:
(a) baby
(b) foetus
(c) embryo
(d) none of these
Ans. (c) embryo
The developing zygote is called embryo
Q 48 – The stage of the embryo in which all the body parts can be identified is called:
(a) baby
(b) foetus
(c) baby embryo
(d) none of these
Ans. (b) foetus
The stage of the embryo in which all body parts can be identified is called foetus.
Q 49 – The animals which give birth to young ones are called:
(a) viviparous
(b) oviparous
(c) hermaphrodites
(d) none of these
Ans. (a) viviparous
The animals which give birth to young ones are called viviparous.
Q 50 – The animals which lay eggs are called:
(a) viviparous
(b) hermaphrodites
(c) oviparous
(d) none of these
Ans. (c) oviparous
The animals which lay eggs are called oviparous.
Q 51 – A fertihsed ovum deirelops into a baby in the:
(a) vagina
(b) fallopian tubes
(c) uterus
(d) ovary
Ans. (c) uterus
A fertilised ovum develops in to a baby in the uterus.
Q 52 – Which of the following is a hermaphrodite animal:
(a) elephant
(b) cow
(c) dog
(d) earthworm
(d) earthworm
Earthworm is a hermaphrodite animal.
Q 53 – Which of the following requires both parents for reproducing:
(a) hydra
(b) amoeba
(c) paramecium
(d) human
Ans. (d) human
Earthworm is a hermaphrodite animal.
Q 54 – Which of the following is involved in the sexual reproduction ?
(a) vegetative propagation
(b) multiple fission
(c) binary fission
(d) fertilization
Ans. (b) multiple fission
Q 55 – The organism which has both the male and female sex organs present in the same body is
called:
(a) unisexual
(b) multisexual
(c) hermaphrodites
(d) none of these
Ans. (d) none of these
Fertilisation is involved in sexual reproduction. Vegetative propagation, multiple fission and
binary fission are methods of asexual reproduction.
Q 56 – The process leading to the fusion of the gametes in plants and inimals is called:
(a) grbwth
(b) fertihsation
(c) development
(d) fusion
Ans. (b) fertihsation
Fertilisation is the process leading to the fusion of the gamates in plants and animals
Q 57 – Amoeba reproduce by:
(a) budding
(b) multiple fission
(c) vegetative propogation
(d) binar fission
Ans. (d) binar fission
Amoeba reproduce by binary fission
Q 58 – Hydra reproduce by:
(a) budding
(b) multiple fission
(c) vegetative propogation
(d) binary fission
Ans. (a) budding
Hydra reproduce by budding
Q 59 – External fertilisation takes place in:
(a) humans
(b) fish
(c) hens
(d) dogs
Ans. (b) fish
External fertilisation takes place in fish.
Q 60 – Test tube babies grow in:
(a) mother’s uterus
(b) mother’s oviduct
(c) none of these
(d) test tubes
Ans. (a) mother’s uterus
Test tube babies grow in mother’s uterus.
Q 61– The young once of which of the following animals is similar to its parents:
(a) frog
(b) mosquito
(c) butterfly
(d) goat
Ans. (d) goat
Goat. The young ones offrog, mosquito and butterfly are different from their parents
Q 62 – The young ones of which of the following animals is not similar to its parents:
(a) human being
(b) dog
(c) frog
(d) cockroach
Ans. (c) frog
Frog. The young ones of human being, dog and cockroach are similar to their parent.
Q 63 – Animals in which male and female are distinct are called :
(a) bisexual
(b) unisexual
(c) sexual
(d) none of these
Ans. (b) unisexual
Animals in which male and female are distinct are called unisexual
Q 64 – The egg of the bird is celled:
(a) two
(b) one
(c) many
(d) ten
Ans. (b) one
The egg of the bird is one celled
Q 65 – Male reproductive organ is called:
(a) ovary
(b) gametes
(c) tcstis
(d) sperms
Ans. (c) tcstis
Male reproductive organ is testis. It produces sperms.
Q 66 – Female reproductive organ is called:
(a) egg
(b) ovary
(c) gamete
(d) none of these
Ans. (b) ovary
Female reproductive organ is ovary. It produces egg
Q 67 – The fusion of egg and sperms is called:
(a) fertilisation
(b) gametes
(c) fusion
(d) none of these
Ans. (c) fusion
The fusion of egg and sperms is called fertilisation.
Q 68 – Which of the following has internal fertilisation:
(a) bird
(b) cat
(c) human being
(d) all of these
Ans. (d) all of these
Bird, cat and human being has internal fertilisation.
Q 69 – External fertilisation takes place:
(a) inside the female body
(c) outside the female body
(b) inside the male body
(d) none of these
Ans. (c) outside the female body
External fertilisation takes place outside the female body.
Q 70 – Which of the following are male reproductive organs:
(a) ovary, testis, scrotum, penis
(b) ovary, uterus, testis, scrotum
(c) uterus, testis, scrotum, penis
(d) urinary bladder, testis, scrotum, penis.
Ans. (d) urinary bladder, testis, scrotum, penis.
Urinary bladder, testis, scrotum and penis are male reproductive organs.
Q 71 – In human beings:
(a) embryo develops outside the body
(d) embryo develops inside the female body
(c) embryo develops inside the female body till complete baby is formed
(d) embryo develope inside the female body till the formation of the pro-embryo
Ans. (c) embryo develops inside the female body till complete baby is formed
In human beings embryo develops inside the female body till complete body is formed
Q 72 – Which of the following animals lay eggs:
(a) cockroach
(b) fish
(c) lizard
(d) all the above
Ans. (d) all the above
Cockroach, fish and lizard all lay eggs
Q 73 – Internal fertilization occurs:
(a) in female body
(b) outside female body
(c) in male body
(d) outside male body
Ans. (a) in female body
Internal fertilizations occurs in female body.
Q 74 – A tadpole develops into an adult frog by the process of:
(a) fertilization
(b) metamorphosis
(c) embedding
(d) budding
Ans. (b) metamorphosis
A tadpole develops into an adult frog by the process of metamorphosis.
Q 75 – The number of nuclei present in a zygote is:
(a) None
(b) One
(c) Two
(d) Four
Ans. (c) Two
The number of nuclei present in a zygote is two.