Reproduction in Animals Test

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Reproduction in Animals Test - 13

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Question 1
1 / -0

Reproduction in humans is ____________.

A
Asexual

B
Sexual

C
Vegetative

D
Parthenogenetic
Solution
- Reproduction in humans is only sexual. After insemination, there is a fusion of sperm and egg in the oviduct. This process is called fertilization. After fertilization, implantation takes place in the uterus and the development and the growth of the foetus occurs there.
Therefore, the correct answer is option B.
Question 2
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Exclusively sexually reproducing organisms are:

A
Monkey

B
Hydra

C
Cat

D
Both A and C

Solution

Monkey and Cat are mammals. They reproduce sexually. Higher animals do not reproduce asexually. Lower animals like Hydra reproduces asexually. Thus, the correct answer is option D.
Question 3
1 / -0

Birds are considered oviparous because _______.

A
They are able to fly

B
Forelimbs are modified into wings

C
They lay eggs

D
None of the above
Solution
- Ovipary is the phenomenon in which an adult organism reproduces and lays eggs which later hatch and give rise to young ones.
- Since, birds lay eggs they are known as oviparous.
- Flight or wing modifications are not related to the process of reproduction.
So the correct answer is 'They lay eggs'.
Question 4
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Internal fertilization occurs in many animals excluding:

A
Humans

B
Cow

C
Frog

D
Hen
Solution
- Fertilization which takes place inside the female body is called internal fertilization.
- Internal fertilization occurs in many animals including humans, cows, dogs, and hens, while in the frog, external fertilization takes place.
  The correct option is C.
Question 5
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Which of the following patterns of reproduction involves both the parents?

A
Sexual reproduction

B
Asexual reproduction

C
Parthenogenesis

D
Vegetative propagation

Solution

Sexual reproduction is a biological process that creates a new organism by combining the genetic material of two organisms, by the fusion of one gamete from each. Motile male gamete generally fertilizes with non-motile female gamete in this process. (Example: Humans)
Thus, the correct answer is option A.
Question 6
1 / -0

Exchange of genetic material takes place in ______________.

A
Vegetative reproduction

B
Asexual reproduction

C
Sexual reproduction

D
Budding

Solution

$\textbf{Correct answer: }$ Option C
$\textbf{Explanation for correct answer: }$
Option C
$\bullet$ Sexual reproduction is a method of reproduction which requires the involvement of two parent.
$\bullet$ During fertilisation, the fusion of haploid male and haloid female gametes takes place which produces a diploid zygote.
$\bullet$ This results in the exchange of genetic material.

$\textbf{Explanation for incorrect answer: }$
Option A: Vegetative is a type of asexual reproduction which uses vegetative parts of the plant as propagules to grow new plants.
Option B: Asexual reproduction is a method of reproduction which does not involve two parent. The single parent organism divides mitotically to produce daughter organisms that are exact copies of their parent.
Option D: Budding is a type of asexual reproduction observed in yeasts and $Hydra$ . The daughter cell buds off from the parent cell.

$\textbf{Conclusion: }$ Thus, exchange of genetic material takes place in sexual reproduction.
Question 7
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The technique by which "Dolly" the sheep obtained is termed as:

A
Cloning by zygote transfer

B
Cloning by nuclear transfer

C
Cloning without the help of gametes

D
Cloning by tissue culture of somatic cells

Solution

Dolly is the first sheep that was developed by the technique of cloning. The sheep was developed from the diploid body cell. The somatic cell from the mother sheep was taken and the nucleus was injected into the egg cell (from another sheep) which was cultured and transferred into the surrogate mother. This method is known as nuclear transfer. The sheep Dolly was identical in the characters with the mother who donated the diploid nucleus from the body cell.
Thus, the correct answer is option B.
Question 8
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In markets, eggs of birds are available but never of dogs, because:

A
Birds lays eggs but dogs do not.

B
Bird's eggs are large but dog's eggs are very small.

C
Bird's eggs are covered but dog's eggs are not.

D
Bird's eggs are strong but eggs of dogs are not.

Solution

Birds are oviparous animals which means that they lay eggs. On the other hand, dogs do not lay eggs and are viviparous animals which means that dogs give birth to young ones directly. So, the correct answer is option A.
Question 9
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Select the correct option from the given combinations.

A
Asexual reproduction: gametes are produced, Sexual reproduction: gametes are not produced

B
Asexual reproduction: gametes are not produced, Sexual reproduction: gametes are produced

C
Asexual reproduction: no fertilization and zygote formation, Sexual reproduction: fertilization and zygote formation

D
Both B and C

Solution

In asexual reproduction, a single parent is involved in the production of offspring by fission, budding, or regeneration and no gametes are involved. While in sexual reproduction, gametes are produced by both the parents which fuse to form a zygote.
Thus, the correct answer is option D.
Question 10
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Viviparity is observed in:

A
Frog

B
Lizard

C
Snake

D
Rabbit

Solution

Viviparity means giving birth to young ones. Viviparous animals produce young ones instead of laying eggs. The female animal gives birth to the young ones which are just like little adults.
Rabbits give birth to young ones.
Frogs, lizards, and snakes lay eggs which later develop into young ones.
So, the correct answer is option D.

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Re-Attempt Weekly Quiz Competition

Reproduction in Animals Test - 13

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Reproduction in Animals Test - 13

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SHARING IS CARING

Question 1

Asexual

Sexual

Vegetative

Parthenogenetic

Solution

Question 2

Monkey

Hydra

Cat

Both A and C

Solution

Question 3

They are able to fly

Forelimbs are modified into wings

They lay eggs

None of the above

Solution

Question 4

Humans

Cow

Frog

Hen

Solution

Question 5

Sexual reproduction

Asexual reproduction

Parthenogenesis

Vegetative propagation

Solution

Question 6

Vegetative reproduction

Asexual reproduction

Sexual reproduction

Budding

Solution

Question 7

Cloning by zygote transfer

Cloning by nuclear transfer

Cloning without the help of gametes

Cloning by tissue culture of somatic cells

Solution

Question 8

Birds lays eggs but dogs do not.

Bird's eggs are large but dog's eggs are very small.

Bird's eggs are covered but dog's eggs are not.

Bird's eggs are strong but eggs of dogs are not.

Solution

Question 9

Asexual reproduction: gametes are produced, Sexual reproduction: gametes are not produced

Asexual reproduction: gametes are not produced, Sexual reproduction: gametes are produced

Asexual reproduction: no fertilization and zygote formation, Sexual reproduction: fertilization and zygote formation

Both B and C

Solution

Question 10

Frog

Lizard

Snake

Rabbit

Solution

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