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Reproduction in Animals

A correct statement regarding reproduction is that

a) Ovaries produce female gametes.
b) Ovaries produce male gametes.
c) Female gametes are called sperms.
d) Male gametes are called ova.

✔Answer

✔Solution

Correct Answer Is : Ovaries produce female gametes.

Solution Is : Cells that take part in reproduction are called gametes. Male gametes are called sperms and female gametes are called ova. Female gametes develop inside the ovaries.

Oviducts are also known as

a) Ovaries.
b) Testis.
c) Fallopian tubes.
d) Seminal ducts.

✔Answer

✔Solution

Correct Answer Is : Fallopian tubes.

Solution Is : Oviducts are the part of female reproductive system. These are also known as fallopian tubes

The animal that produces the largest egg is

a) Hen.
b) Ostrich.
c) Eagle.
d) Duck.

✔Answer

✔Solution

Correct Answer Is : Hen.

Solution Is : Ostrich`s eggs are about 7.1 inches long, 5.5 inches wide and typically, weigh 2.7 pounds. They are the largest eggs produced by any living animal.

Protection to the eggs of frog is provided by a

a) Hard shell.
b) Thick wall.
c) Cover of cells
d) Layer of jelly.

✔Answer

✔Solution

Correct Answer Is : Layer of jelly.

Solution Is : Eggs of a frog are not surrounded by a hard shell as the egg of a hen. These are surrounded by a layer of jelly that hold them together and provide protection to them.

Zygote develops to form a/an

a) Egg.
b) Embryo.
c) Ova.
d) Sperms.

✔Answer

✔Solution

Correct Answer Is : Egg.

Solution Is : After fertilisation, zygote is formed which divides and develops into a structure called embryo.

An embryo develops into a/an

a) Ovum.
b) Sperm.
c) Foetus.
d) Zygote.

✔Answer

✔Solution

Correct Answer Is : Foetus.

Solution Is : During the development of zygote, it divides to form an embryo and then it develops into a foetus. A foetus is the stage in which body parts can be identified.

Larva of the silkworm is called

a) Tadpole.
b) Chick.
c) Caterpillar.
d) Foetus.

✔Answer

✔Solution

Correct Answer Is : Caterpillar.

Solution Is : Egg of the silkworm develops into the larva. Larva in silkworm is called caterpillar, which then forms pupa and in turn develops into an adult.

A true statement regarding growth and development is that

a) A tadpole is similar to a frog.
b) Young ones of humans are similar to the adult humans.
c) Larva of silkworm is similar to the adult silkworm
d) Young one of a butterfly resembles the adult.

✔Answer

✔Solution

Correct Answer Is : A tadpole is similar to a frog.

Solution Is : The larvae of frog, butterfly and silkworm do not resemble with their adults. While, on the contrary, young ones of humans are similar in their body parts to the adult humans.

Metamorphosis occurs in

a) Humans.
b) Silkworms.
c) Fishes.
d) Lions.

✔Answer

✔Solution

Correct Answer Is : Humans.

Solution Is : The larvae of frog and silkworm do not resemble with their adults. These larvae undergo gradual changes to get transformed into their adults. This process is called as metamorphosis.

Number of cells in the sperms is

a) One.
b) Two.
c) Three.
d) Many.

✔Answer

✔Solution

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Class 8 Science Study Material

Reproduction in Animals

A correct statement regarding reproduction is that

Correct Answer Is : Ovaries produce female gametes.

Solution Is : Cells that take part in reproduction are called gametes. Male gametes are called sperms and female gametes are called ova. Female gametes develop inside the ovaries.

Oviducts are also known as

Correct Answer Is : Fallopian tubes.

Solution Is : Oviducts are the part of female reproductive system. These are also known as fallopian tubes

The animal that produces the largest egg is

Correct Answer Is : Hen.

Solution Is : Ostrich`s eggs are about 7.1 inches long, 5.5 inches wide and typically, weigh 2.7 pounds. They are the largest eggs produced by any living animal.

Protection to the eggs of frog is provided by a

Correct Answer Is : Layer of jelly.

Solution Is : Eggs of a frog are not surrounded by a hard shell as the egg of a hen. These are surrounded by a layer of jelly that hold them together and provide protection to them.

Zygote develops to form a/an

Correct Answer Is : Egg.

Solution Is : After fertilisation, zygote is formed which divides and develops into a structure called embryo.

An embryo develops into a/an

Correct Answer Is : Foetus.

Solution Is : During the development of zygote, it divides to form an embryo and then it develops into a foetus. A foetus is the stage in which body parts can be identified.

Larva of the silkworm is called

Correct Answer Is : Caterpillar.

Solution Is : Egg of the silkworm develops into the larva. Larva in silkworm is called caterpillar, which then forms pupa and in turn develops into an adult.

A true statement regarding growth and development is that

Correct Answer Is : A tadpole is similar to a frog.

Solution Is : The larvae of frog, butterfly and silkworm do not resemble with their adults. While, on the contrary, young ones of humans are similar in their body parts to the adult humans.

Metamorphosis occurs in

Correct Answer Is : Humans.

Solution Is : The larvae of frog and silkworm do not resemble with their adults. These larvae undergo gradual changes to get transformed into their adults. This process is called as metamorphosis.

Number of cells in the sperms is

Correct Answer Is : One.

Solution Is : Sperms are the male gametes produced in the testes. Gametes are single-celled structures.

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