How do Organisms Reproduce MCQs Mock Test of 10th Class Science

Welcome to your How do Organisms Reproduce MCQs Mock Test of 10th Class Science

Q1- The cell formed after fertilization is called :

A) Foetus

B) zygote

C) embryo

D) none

Q2- In a list of organisms given below which is reproduced by asexual method ?

A) Banana

B) Yeast

C) Dog

D) lion

Q3- Eggs are formed in :

A) Testes

B) ovaries

C) penis

D) none

Q4- 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

Q5- How many modes of reproduction take place in animals?

A) one type

B) Two types

C) three types

D) four types

Q6- The correct sequence of reproductive stages seen in flowering plants is _______

A) Gamete, zygote, embryo, seedling

B) zygote, gamete, embryo, seedling

C) seedling, embryo, zygote, gametes

D) gamete, embryo, zygote , seedling

Q7- A sperm consists of how many parts ?

A) 1

B) 2

C) 3

D) 4

Q8- The number of chromosomes present in parents and offspring of a particular species remains constant due to ________.

A) doubling of chromosomes during zygote formation

B) Halving of chromosomes during gamete formation

C) Doubling of chromosomes after gamete formation

D) Halving of chromosomes after gamete formation

Q9- Foetus is a :

A) well developed embryo

B) developing embryo

C) A zygote

D) male gamete

10.

Q10- In rhizopus tubular structure bearing sporangia at their tips are called __________.

A) filaments

B) Rhizoids

C) roots

D) Hyphae

11.

Q11- oviparous are the ones who _____

A) produce eggs

B) produce young ones

C) both a and b

D) none

12.

Q12- Which among the following is not the function of testis at puberty ?

A) Formation of sperms

B) Releasing testosterone

C) ovulation

D) release of seminal fluid

13.

Q13- Cloning is a mode of :

A) sexual reproduction

B) asexual reproduction

C) both a and b

D) none

14.

Q14- Length of the pollen grain depends upon 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

15.

Q15- The lytic enzyme of sperm is :

A) ligase

B) Acrosome

C) Androgen

D) pepsin

16.

Q16- The ability of cell to divide into several cells during reproduction in plasmodium is called __________.

A) budding

B) reproductive division

C) Multiple fission

D) BInary fission

17.

Q17- The number of chromosomes in human sex cell is :

A) 23

B) 23 pairs

C) 46

D) 46 pairs

18.

Q18- Asexual reproduction takes place through budding in _______.

A) Amoeba

B) yeast

C) plasmodium

D) leishmania

19.

Q19- The number of autosomes in humans is :

A) 46

B) 44

C) 23

D) 22

20.

Q20- The anther contains ________.

A) sepals

B) ovules

C) carpel

D) pollens

21.

Q21- In human females, an event that reflects onset of reproductive phase is :

A) Growth of body

B) change in voice

C) changes in hair pattern

D) menstruation

22.

Q22- Which among the following is not sexually transmitted?

A) AIDS

B) hepatitis

C) Syphilis

D) Gonorrhoea

23.

Q23- Which of the following is not the part of female reproductive system? A) ovary B) fallopian tube C) uterus D) vas deferens Q23- Which of the following is not the part of female reproductive system?

A) ovary

B) fallopian tube

C) uterus

D) vas deferens

24.

Q24- During adolescence, several changes occur in human body. Mark one change that is associated with sexual maturity in boys?

A) loss of milk teeth

B) increase in height

C) weight gain

D) cracking of voice

25.

Q25- The offsprings formed by sexual reproduction exhibit more variations because _________.

A) sexual reproduction is a lengthy process

B) genetic material comes from two parents of same species

C) genetic material comes from two parents of different species

D) genetic material comes from many parents

26.

Q26- The reproductive part of flower is _______.

A) sepals

B) petals

C) anther

D) flower

27.

Q27- The seeds with two cotyledons are:

A) fruit

B) dicot

C) monocot

D) flower

28.

Q28- The triploid nucleus formed is called ______.

A) fruit

B) seed

C) zygote

D) endosperm

29.

Q29- Syngamy is :

A) fusion of male gamete and female gamete in humans

B) fusion of male gamete and female gamete in non flowering plants

C) fusion of egg cell and male gamete in non flowering plants

d) fusion of egg cell and male gamete in flowering plants

30.

Q30- The fate of placenta is to :

A) provide nutrition to embryo

B) provide support to embryo

C) provide minerals to zygote

D) none

31.

Q31- Vegetative propagation refers to formation of new plants from———-.

A) stem, roots, flowers

B) stem, roots, leaves

C) stem, flowers, fruit

d) stem, leaves, flowers

32.

Q32- Factors responsible for the rapid spread of bread mould on slices of bread are _______.

A) lesser number of spores

B) availability of moisture and nutrients

C) presence of tubular branched hyphae

D) formation of round shaped sporangia

33.

Q33- Which of the following statements are true for flowers?

A) flowers are always bisexual

B) They are sexual reproductive organ

C) They are produced in all group of plants

D) After fertilization they give rise to fruit

34.

Q34- Which among the following statements are false for unisexual flowers?

A) They always possess stamen and pistil

B) they possess either stamen or pistil

C) they show cross pollination

D) unisexual flowers posessing only stamens can not produce fruits

35.

Q35- Which among the following statements are false for sexual reproduction in flowering plants?

A) it requires two types of gametes

B) fertilization is compulsory

C) it always results in formation of zygote

D) offsprings are clones

36.

Q36- Reproduction is essential for living organisms in order to _______.

A) keeping the organism alive

B) fulfil their energy requirement

C) maintain growth

D) continue species from generation to generationntinue species from generation to generation

37.

Q37- In human males, the testes lie in the scrotum, because it helps in _________.

A) process of mating

B) formation of sperm

C) easy transfer of gametes

D) all

38.

Q38- The two oviducts in human female unite in a bag called ________.

A) vagina

B) uterus

C) cervix

D) fallopian tube

39.

Q39- Which out of them is STD?

A) kala azar

B) jaundice

C) cholera

D) syphilis

40.

Q40- When an animal is cut into pieces and each part gives rise to new organism the process is called _____________.

A) Budding

B) fragmentation

C) spore formation

D) Regeneration

41.

Q41- IUCD is for :

A) vegetative propagation

B) prevent miscarriage

C) contraception

D) increasing fertility chance

42.

Q42- Bryophyllum reproduces through _______.

A) Buds

B) leaf

C) root

D) stem

43.

Q43- Rose is propogated through ______.

A) leaf

B) stem

C) root

D) none

44.

Q44- The animals that give birth to young ones are called as :

A) Oviparous

B) Viviparous

C) both a and b

D) None

45.

Q45- Tadpole is the developing stage of which of these?

A) Dogs

B) Cats

C) Frogs

D) humans

46.

Q46- Which of the following is contraceptive?

A) condom

B) copper T

C) Diaphragm

D) all

47.

Q47- Which is the portion on which grafting is done and it provides roots?

A) stock

B) scion

C) both a and b

D) none

48.

Q48- Where does fertilization occur in human females ?

A) cervix

B) vagina

C) uterus

D) oviduct

49.

Q49- Growing foetus derives nutrition from mother through _______.

A) endosperm

B) placenta

C) fallopian tube

D) cervix

50.

Q50- What is the puberty age in females?

A) 8-10

B) 10-12

C) 12-14

D) 14-16

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