Class 8 Reproduction in Animals MCQ 2025

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Class 8 Reproduction in Animals MCQ for Students

Quick Quiz

The structures involved in the asexual reproduction of Rhizopus are

(a) buds

(b) sporangia

(d) cell

Option b – sporangia

Variations in a population are due to ( Class 8 Reproduction in Animals MCQ )

(a) DNA copying

(b) error in DNA copying

(d) budding

Option b – error in DNA copying

The germ cell in plants are seen in

(a) stem

(b) leaves

(d) stamens and carpels

Option d – stamens and carpels

The embryo gets nutrition from the mother’s blood with the help of ( Class 8 Reproduction in Animals MCQ )

(a) placenta

(b) ovary

(d) fallopian tube

Option a – placenta

The formation of germ cells in males occurs in

(a) testes

(b) ovary

(d) urethra

Option a – testes

The highest taxon in the hierarchy of classification is ( Class 8 Reproduction in Animals MCQ )

(a) kingdom

(b) class

(d) genus

Option a – kingdom

Unicellular organisms divide due to

(a) fusion

(b) fission

(d) sexual reproduction

Option b – fission

Plasmodium divides by ( Class 8 Reproduction in Animals MCQ )

(a) budding

(b) fusion

(d) binary fission

Option c – multiple fission

The advantage of vegetatively reproduced organisms is

(a) dissimilar organisms

(b) the genetic similarity in offspring

(d) varied offspring

Option b – the genetic similarity in offspring

Vegetative propagation in Bryophyllum is due to ( Class 8 Reproduction in Animals MCQ )

(a) buds in the notches of leaves

(b) corm

(d) root

Option a – buds in the notches of leaves

Offspring formed by the asexual method of reproduction have greater similarities 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)

(d) (iii) and (iv)

Option a – (i) and (ii)

Which of the following roles are played by epididymis, vas deferens, seminal vesicles, and prostate in the male reproductive system of humans? ( Class 8 Reproduction in Animals MCQ )

(a) Spermatogenesis and maturation of sperms

(b) Maturation and motility of sperms

(d) Motility of sperms only

Option b – Maturation and motility of sperms

Consider the following plants: 1. Bougainvillea 2. Carnations 3. Cocoa 4. Grapes Which of these plants are propagated by stem cutting?

(a) 1 and 2

(b) 2, 3 and 4

(d) 1, 2, 3 and 4

Option c – 1,3 and 4

Consider the following statements and choose the correct ones. 1. Anthesis is a phenomenon of the ripening of fruits. 2. Fruits developed without fertilization are parthenocarpic. 3. Plants undergo a single fertilization event. ( Class 8 Reproduction in Animals MCQ )

(a) 1 and 2 only

(b) 1 only

(d) All are correct

Option c – 2 only

Calcium carbonate structures form the skeleton of

(a) Mollusca

(b) Echinodermata

(d) Nematodes

Option b – Echinodermata

The largest group of animals is seen in ( Class 8 Reproduction in Animals MCQ )

(a) Porifera

(b) Annelida

(d) Nematoda

Option c – Arthropoda

Marsilea and Horse-tails belong to

(a) Thallophyta

(b) angiosperms

(d) Bryophyta

Option c – Pteridophyta

Naked seeds, and perennial, evergreen, and woody plants are characteristic features of ( Class 8 Reproduction in Animals MCQ )

(a) gymnosperms

(b) Bryophyta

(d) Pteridophyta

Option a – gymnosperms

Mucus glands in the skin and three-chambered heart are seen in

(a) Reptilia

(b) Aves

(d) Amphibia

Option d – Amphibia

The cartilaginous skeleton is seen in ( Class 8 Reproduction in Animals MCQ )

(a) Tuna

(b) Sharks

(d) Pterois volitans

Option b – Sharks

Which of the following statements about sexual reproduction in flowering plants is correct? 1. Stamen is present in the center of a flower. 2. Stamen produces pollen grains in the ovary. 3. The swollen bottom part of the carpel is the ovary. 4. The fusion of germ cells gives rise to a zygote. Select the correct answer using the code given below.

(a) 2, 3, and 4 only

(b) 3 and 4 only

(d) 1, 2, 3, and 4 only

Option b – 3 and 4 only

Vivipary in plants means ( Class 8 Reproduction in Animals MCQ )

(a) germination of seeds in the crevices of the stem where some soil is deposited

(b) development of peanut fruits after fertilization

(d) germination of seeds inside the fruit while is still on the plant parent tree

Option d – germination of seeds inside the fruit while is still on the plant parent tree

Consider the following statements: 1. Androecium and gynoecium are reproductive organs of flowers. 2. Calyx and corolla are accessory female reproductive organs of a flower. Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(d) Neither 1 nor 2

Option a – 1 only

Consider the following statements: 1. In algae, the reproductive organs are single-celled. 2. Fern plants lack a true vascular system. Which of the statements given above is/are correct? ( Class 8 Reproduction in Animals MCQ )

(a) Only 1

(b) Only 2

(d) Neither 1 nor 2

Option a – Only 1

In a flower, the parts that produce male and female gametes (germ cells) are

(a) stamen and anther

(b) filament and stigma

(d) stamen and style

Option c – anther and ovary

The capacity of organisms to reproduce after being cut into many pieces is called ( Class 8 Reproduction in Animals MCQ )

(a) budding

(b) fission

(d) reproduction

Option c – regeneration

Which of the following is the correct sequence of events of sexual reproduction in a flower?

(a) Pollination, fertilization, seedling, embryo

(b) Seedling, embryo, fertilization, pollination

(d) Embryo, seedling, pollination, fertilization.

Option c – Pollination, fertilization, embryo, seedling

Characters transmitted from parents to offspring are present in ( Class 8 Reproduction in Animals MCQ )

(a) cytoplasm

(b) ribosome

(d) genes

Option d – genes

The main method of propagation of banana, orange, rose and jasmine is

(a) sexual reproduction

(b) vegetative reproduction

(d) fusion

Option b – vegetative reproduction

Characters that are transmitted from parents to offspring during reproduction show

(a) only similarities with parents.

(b) only variations with parents.

(d) neither similarities nor variations.

Option c – both similarities and variations with parents

A feature of reproduction that is common to Amoeba, Spirogyra, and Yeast is that

(a) they reproduce asexually.

(b) they are all unicellular.

(d) they are all multicellular.

Option a – they reproduce asexually

Notochord, Dorsal nerve chord, and Gill-slits are features seen in

(a) Vertebrata

(b) protozoa

(d) Porifera

Option a – Vertebrata

Which of the following pairs is correctly matched?

(a) Water-vascular system – Sponge

(b) Flame cell-Flat worm

(d) Marsupium-Platypus

Option b – Flame cell-Flat worm

Asexual reproduction takes place through budding in

(a) Amoeba

(b) Yeast

(d) Leishmania

Option b – Yeast

Which of the following is not a part of the female reproductive system in human beings?

(a) Ovary

(b) Uterus

(d) Fallopian tube

Option c – Vas deferens

The structures that carry information for inheritance are

(a) chromosomes

(b) nucleolus

(d) mitochondria

Option a – chromosomes

The anther contains

(a) sepals

(b) ovules

(d) pollen grain

Option d – pollen grain

The organ modified for flight in birds is

(a) hindlimbs

(b) neck

(d) fingers

Option c – forelimbs

The reptile with a four-chambered heart is

(a) a crocodile

(b) a turtle

(d) a snake

Option a – a crocodile

The fertilized egg or the zygote gets implanted in the

(a) fallopian tube

(b) ovary

(d) vagina

Option c – uterus

Meena and Hari observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the following which confirms that it is an insect.

(a) Bilateral symmetrical body

(b) Body with jointed legs

(d) Body with little segmentation

Option b – Body with jointed legs

Porifers are

(a) generally marine, but few are found in freshwater.

(b) generally found in freshwater, but few are marine.

(d) found in freshwater only.

Option a – generally marine, but few are found in freshwater

If a Hydra is cut into two pieces it will result in

(a) growth of mouth and disc according to their position in the parent.

(b) growth without mouth and basal disc.

(d) growth of mouth and disc at an end.

Option a – growth of mouth and disc according to their position in the parent

Which is not a feature of Annelida?

(a) Metameric segmentation

(b) Nephridia

(d) Clitellum

Option c – Pseudocoelom

Which of the following is an edible ‘Fungi’?

(a) Mucor

(b) Penicillium

(d) Rhizopus

Option c – Agaricus

Radial symmetry is found in

(a) Hydra

(b) Starfish

(d) Spider

Option a – Hydra

A plant having vascular supply, producing spores but lacking seeds can be grouped under

(a) Bryophyta

(b) Pteridophyta

(d) angiosperms

Option b – Pteridophyta

Mycoplasma belongs to

(a) Protista

(b) Monera

(d) Nematoda

Option b – Monera

Which of the following are absent in gymnosperms?

(a) Xylem vessels

(b) Xylem fibers

(d) All of these

Option a – Xylem vessels

Which among the following is not a true fruit?

(a) Apple

(b) Date

(d) Plum

Option a – Apple

Which part of the pear is edible?

(a) Fleshy thalamus

(b) Spores

(d) Mesocarp

Option a – Fleshy thalamus

In a typical flower, germinating pollen grains pass through several parts of the gynoecium before they reach the ovule. A list of the parts of gynoecium is given below in different combinations. Choose the combination that represents the correct sequence of pollen tube pathway/ journey :

(a) Style, Stigma, Ovary

(b) Stigma, Style, Ovary

(d) Ovary, Pistil, Style

Option b – Stigma, Style, Ovary

During favorable conditions, Amoeba reproduces by

(a) multiple fission

(b) binary fission

(d) fragmentation

Option b – binary fission

The common passage of urine and sperm in human males is

(a) the Seminal vesicle

(b) the Ureter

(d) the Urethra

Option d – the Urethra

Which is the hormone that brings about changes in girls during puberty?

(a) Estrogen

(b) Progesterone

(d) Thyroxine

Option a – Estrogen

The human embryo gets nutrition from the mother’s blood with the help of a special organ called

(a) Zygote

(b) Ovary

(d) Placenta

Option d – Placenta

The female sex hormone is

(a) estrogen

(b) androgen

(d) oxytocin

(e) None of the above/More than one of the above

Option e – None of the above/More than one of the above

Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called

(a) Autogamy

(b) Geitonogamy

(d) None of the above

Option b – Geitonogamy

Which of the following plants produce only seeds but no fruit?

(a) Sugarcane

(b) Peanut

(d) Almond

Option c – Cycas

Pollination by snails is called

(a) Zoophily

(b) Entomophily

(d) Malacophily

Option d – Malacophily

Which one of the following agents does not contribute to the propagation of plants through seed dispersal?

(a) Wind

(b) Fungus

(d) Water

Option b – Fungus

In human beings, normally in which one of the following parts, does the sperm fertilize the ovum?

(a) Cervix

(b) Fallopian tube

(d) Upper part of the uterus

Option b – Fallopian tube

Which among the following is not the function of the 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)

(d) (i) and (iv)

Option c – (iii) and (iv)

The Censer mechanism of dispersal of seeds is found in

(a) Pea

(b) Poppy

(d) Maize

Option b – Poppy

Coconut water is technically

(a) pericarp

(b) endosperm

(d) soft drink

Option b – endosperm

Which one of the following completes the given statement correctly? A seed is a ripened

(a) ovary

(b) flower

(d) ovule

Option d – ovule

Which one of the following cells secretes androgen hormones in human beings?

(a) Sertoli cells

(b) Cells of Leydig

(d) Mucus cells

Option b – Cells of Leydig

A seed is ripened :

(a) Ovary

(b) Flower

(d) Ovule

Option d – Ovule

The ability of a cell to divide into several reproductions in Plasmodium cells is called

(a) budding

(b) multiple fission

(d) reduction division

Option b – multiple fission

Bryophyllum can be propagated vegetatively by the

(a) stem

(b) leaf

(d) flower

Option b – leaf

Vegetative propagation refers to the formation of new plants from

(a) stem, flowers, and fruits

(b) stem, leaves, and flowers

(d) stem, roots, and leaves

Option d – stem, roots, and leaves

In a potato, vegetative propagation takes place by

(a) root

(b) leaf

(d) grafting

Option c – stem tuber

Vegetatively propagated plants

(a) do not bear roots

(b) do not bear buds

(d) are genetically dissimilar

Option c – are genetically similar

A feature of reproduction that is common to Amoeba, Yeast, and Spirogyra is that

(a) they reproduce asexually

(b) they are all unicellular

(d) they are all multicellular

Option a – they reproduce asexually

Identify the CORRECT statement.

(A) Chara and Marchantia are dioecious plants.

(B) Papaya and cucurbits are monoecious plants.

(D) Periplaneta americana has separate male and female sexes.

Option d – Periplaneta americana has separate male and female sexes.

Vegetative propagation in ginger occurs by

(A) offsets

(B) rhizomes

(D) tubers

Option b – rhizomes

In Hydra, asexual reproduction takes place through

(A) Sporulation

(B) Budding

(D) Both (B) and (C)

Option d – Both (B) and (C)

Which of the following statement is INCORRECT regarding internal fertilization is?

(A) It occurs in pteridophytes and bryophytes.

(B) The organisms exhibiting internal fertilization have motile male gametes.

(D) It does not require an external medium to release gametes.

Option c – A large number of males and females are gametes produced in the organisms exhibiting this type of fertilization.

Which of the following animals do not exhibit an oestrous cycle?

(A) Cows

(B) Sheep

(D) Monkeys

Option d – Monkeys

Identify the INCORRECT match with reference to post-fertilization changes.

(A) Zygote – Embryo

(B) Ovary – Seed

(D) PEN- Endosperm

Option b – Ovary – Seed

Read the following statements and select the correct option. Statement I: Algae and fungi have haploid plant bodies, whereas bryophytes have diploid plant bodies. Statement II: In pteridophytes parental body is diploid.

(A) Statement I is correct, and statement II is incorrect.

(B) Statement I is incorrect, and statement II is correct.

(D) Both statements I and II are incorrect.

Option b – Statement I is incorrect, and statement II is correct.

In asexual reproduction,

(A) two individuals are involved in the production of offspring.

(B) the offsprings are identical to their parents and are referred to as clones.

(D) reproductive structures like rhizomes, buds, bulbs, and runners are formed.

Option b – the offsprings are identical to their parents and are referred to as clones.

Which amongst the following is NOT a hermaphrodite?

(A) Sponge

(B) Leech

(D) Cockroach

Option d – Cockroach

Identify the CORRECT statement regarding ‘continuous breeders’.

(A) They show a menstrual cycle favorable during seasons in their reproductive phase.

(B) They show both menstrual as well as oestrus cycles.

(D) They are mainly non-primates.

Option c – They are reproductively active throughout their reproductive phase.

Which of the following produces heterogametes?

(A) Fucus

(B) Cladophora

(D) Both (A) and (C)

Option d – Both (A) and (C)

Read the following statements and select the correct option. i. Amoeba and Paramoecium reproduce by binary fission. ii. Zoospores are motile asexual structures. iii. The formation of vegetative propagules involves two parents. iv. All flowering plants are bisexual.

(A) i and ii are incorrect

(B) i and iii are correct

(D) i and iv are correct

Option c – iii and iv are incorrect

Which of the following plant can propagate through leaves?

(A) Solanum tuberosum

(B) Water Hyacinth

(D) Agave

Option c – Bryophyllum

Select the correct option which includes viviparous animals.

(A) Crocodilus and Naja

(B) Ornithorhynchus and Calotes

(D) Pteropus and Macropus

Option d – Pteropus and Macropus

Read the following statements and select the correct option. Statement I: Pistillate flowers are unisexual female flowers. Statement II: Both the terms homothallic and dioecious represent unisexual conditions.

(A) Statement I is correct, and statement II is incorrect.

(B) Statement I is incorrect, and statement II is correct.

(D) Both statements I and II are incorrect.

Option a – Statement I is correct, and statement II is incorrect.

Which of the following statement is INCORRECT?

(A) In Homo sapiens gametes are homogametes.

(B) Gametogenesis is a pre-fertilization event.

(D) Cladophora produces homogametes.

Option a – In Homo sapiens gametes are homogametes.

34 chromosomes are present in the meiocytes of apples. What will be the number of chromosomes in its gametes?

(A) 17

(B) 68

(D) 60

Option a – 17

The number of chromosomes in the root cell of onion is

(A) 4

(B) 16

(D) 48

Option b – 16

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