Solving the How do Organisms Reproduce? Multiple Choice Questions of Class 10 Science Chapter 8 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on How do Organisms Reproduce? Class 10 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 8 Science Class 10 and cross-check your answers during preparation.

Question 1.
Assertion: In human beings, the female. play a major role in determining the sex of the offspring.
Reason: Women have two X chromosomes.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

Answer

(d) A is false but R is true.

---

Question 2.
Assertion: In male reproductive system, transport of sperm takes place in a fluid which also provide nutrition.
Reason: Protective glands and seminal vesicles secret in the vas deferens.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

Answer

(a) Both A and R are true and R is the correct explanation of A.

---

Question 3.
A pair of duct arising from testis, which carry sperms are
(a) fallopian tube
(b) vas deferens
(c) oviduct
(d) urethra

Answer

(b) vas deferens

---

Question 4.
Many unicellular organisms reproduce by the process of
(a) fission
(b) ovulation
(c) regeneration
(d) non-disjunction

Answer

(a) fission

---

Question 5.
When a sperm is deposited into the vagina which route does it travel?
(a) Vagina → Oviduct → Uterus → Cervix
(b) Vagina → Ovary → Uterus → Oviduct
(c) Vagina → Cervix → Uterus → Oviduct
(d) Vagina → Uterus → Cervix → Oviduct

Answer

(c) Vagina → Cervix → Uterus → Oviduct

---

Question 6.
At the time of entering into ovule, pollen tube has
(a) three male nuclei
(b) two male nuclei
(c) one gamete nucleus
(d) four male gametes

Answer

(b) two male nuclei

---

Question 7.
Which of this is seminal fluid?
(a) Prostate gland
(b) Cowper’s gland
(c) Seminal vesicle
(d) all of these

Answer

(c) Seminal vesicle

---

Question 8.
When the foetus is growing inside the uterus it needs nutrients. Which part provides these nutrients?
(a) Placenta
(b) Amniotic sac
(c) Oviduct
(d) Uterus

Answer

(a) Placenta

---

Question 9.
The ability to reproduce is lost in a female after
(a) fertilisation
(b) menstruation
(c) gamete formation
(d) menopause

Answer

(d) menopause

---

Question 10.
Which part of the flower forms the fruit?
(a) Whole flower
(b) Only stamens and carpel
(c) Only ovary
(d) Only carpel

Answer

(c) Only ovary

---

Question 11.
Anemophily is the pollination by:
(a) Birds
(b) Rain
(c) insects
(d) Wind

Answer

(d) Wind

---

Question 12.
Which is the most common method of reproduction in majority of fungi and bacteria?
(a) Budding
(b) Spore formation
(c) Binary fission
(d) Multiple fission

Answer

(b) Spore formation

---

Question 13.
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

Answer

(d) Asexual reproduction involves only one parent.

---

Question 14.
There is a greater possibility for the evolution of a new species in organisms which reproduce by
(a) binary fission
(b) budding
(c) fertilisation
(d) regeneration

Answer

(c) fertilisation

---

Question 15.
The period during adolescence when the reproductive tissues begin to mature is called
(a) ovyfetion
(b) puberty
(c) germination
(d) propagation

Answer

(b) puberty

---

Question 16.
Anemophily is the pollination by –
(a) Birds
(b) Rain
(c) insects
(d) Wind

Answer

(d) Wind

---

Question 17.
In man, fertilization of ovum takes place in
(a) Vagina
(b) ovary
(c) uterus
(d) Fallopian tubes

Answer

(d) Fallopian tubes

---

Question 18.
The flower of the Hibiscus plant is
(a) bisexual
(b) unisexual
(c) neuter
(d) very small

Answer

(a) bisexual

---

Question 19.
The seed that contains the future plant is called the
(a) cotyledons
(b) seed coat
(c) germ cells
(d) embryo

Answer

(d) embryo

---

Question 20.
Spirogyra reproduce by
(a) budding
(b) fragmentation
(c) regeneration
(d) fission

Answer

(b) fragmentation

---

Question 21.
In vegetative reproduction, the new individuals are genetically –
(a) Similar
(b) Dissimilar
(c) Abnormal
(d) None of these

Answer

(a) Similar

---

Question 22.
During favourable conditions, Amoeba reproduces by
(a) multiple fission
(b) binary fission
(c) budding
(d) fragmentation

Answer

(b) binary fission

---

Question 23.
The ability of a cell to divide into several cells during reproduction in Plasmodium is called
(a) budding
(b) multiple fission
(c) binary fission
(d) reduction division

Answer

(b) multiple fission

---

Question 24.
Assertion: Amoeba reproduced by fission
Reason: All unicellular organisms reproduced by asexual method.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

Answer

(a) Both A and R are true and R is the correct explanation of A.

---

Question 25.
Assertion: Ovary releases one egg every month.
Reason: The lining of uterus is always thick and spongy.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
(e) Both A and R are false.

Answer

(c) A is true but R is false.

---

Question 26.
The anther contains
(a) Sepals
(b) Ovules
(c) Carpel
(d) Pollen grains.

Answer

(d) Pollen grains.

---

Question 27.
In human males, the testes lie in the scrotum, because it helps in the
(a) process of mating
(b) formation of sperms
(c) easy transfer of gametes
(d) secretion of estrogen

Answer

(b) formation of sperms

---

Question 28.
The fertilisation of human egg by the sperm takes place in
(a) vagina
(b) uterus
(c) ovary
(d) oviduct

Answer

(d) oviduct

---

Question 29.
Which of the following is a primary sex organ in a mammal?
(a) Ovary
(b) Vagina
(c) Uterus
(d) Mammary glands

Answer

(a) Ovary

---

Question 30.
What marks the beginning of the reproductive life of a woman?
(a) Menopause
(b) Menarche
(c) Fertilisation
(d) Ovulation

Answer

(b) Menarche

---

Question 31.
Where does fertilisation take place?
(a) Uterus
(b) Vagina
(c) Fallopian tube
(d) Cervix

Answer

(c) Fallopian tube

---

Question 32.
Pollen grains are produced by
(a) ovary
(b) ovule
(c) anther
(d) corolla

Answer

(c) anther

---

Question 33.
Fertilization in plants occurs in the:
(a) Embryo sac
(b) Style
(c) Pollen tube
(d) Stigma

Answer

(a) Embryo sac

---

Question 34.
The embryo in humans gets nutrition from the mother’s blood with the help of a special tissue called
(a) Placenta
(b) Villi
(c) Uterus
(d) Womb

Answer

(a) Placenta

---

Question 35.
Which of the following method of contraception protects from acquiring sexually transmitted diseases?
(a) Surgery
(b) Condoms
(c) Copper-T
(d) Oral-pills

Answer

(b) Condoms

---

Question 36.
The ability of an organism to develop whole body from a broken piece or fragment is called
(a) binary fission
(b) budding
(c) multiple fission
(d) regeneration

Answer

(d) regeneration

---

Question 37.
The normal duration of menstrual cycle is
(a) 7 – 8 days
(b) 13 – 15 days
(c) 3 – 4 days
(d) 28 days

Answer

(d) 28 days

---

Question 38.
Which of the following is not an artificial method of vegetative propagation?
(a) Cutting
(b) Layering
(c) Budding
(d) Grafting

Answer

(c) Budding

---

Question 39.
Which among the following diseases is not sexually transmitted?
(a) Syphyllis
(b) Hepatitis
(c) HIV-AIDS
(d) Gonorrhea

Answer

(b) Hepatitis

---

Question 40.
Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
(a) Prostate glands
(b) Seminal vesicles
(c) Scrotum
(d) Urinary bladder

Answer

(b) Seminal vesicles

---

Question 41.
Plants like banana, rose, jasmine, orange have lost the capacity to produce
(a) seeds
(b) buds
(c) flower
(d) roots

Answer

(a) seeds

---

Question 42.
During grafting, the portion of plant that is grafted is called –
(a) Stock
(b) Scion
(c) stalk
(d) stem

Answer

(b) Scion

---

Question 43.
The process of release of eggs from the ovary is called
(a) menstruation
(b) reproduction
(c) insemination
(d) ovulation

Answer

(d) ovulation

---

Question 44.
In Rhizopus, tubular thread like structures bearing sporangia at their tips are called
(a) filaments
(b) hyphae
(c) rhizoids
(d) roots

Answer

(b) hyphae

---

Question 45.
In a potato, vegetative propagation takes place by:
(a) root
(b) leaf
(c) stem tuber
(d) grafting

Answer

(c) stem tuber

---

Question 46.
When an organism breaks into a number of parts and each part develop into an individual, it is called:
(a) Budding
(b) Binary fission
(c) Regeneration
(d) Spore formation

Answer

(c) Regeneration

---