Free Reproduction In Organisms (Daily Quiz: 14) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Reproduction In Organisms (Daily Quiz: 14) Time:

Question-1

The term 'clone' cannot be applied to offspring formed by sexual reproduction because

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

The term 'clone' cannot be applied to offspring formed by sexual reproduction because offspring do not possess exact copies of parental DNA. Offspring produced by sexual reproduction has half DNA from one parent and half from another parent, thus is not an exact copy of any one parent, i.e. it is not a clone. But there DNA is still similar to their parents DNA.


Question-2

Fleshy buds produced in the axil of leaves, which grow to form new plants when shed and fall on ground, are called

(a)

(b)

(c)

(d)

Explanation:

Answer: (a)

Bulbils are fleshy buds produced in the axil of leaves. It grows to form new plants which fall on ground for further development.


Question-3

In ginger, vegetative propagation occurs through

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

The rhizome is a thickened, underground, dorsiventral stem that grows horizontally at a particular depth within the soil. It is brown in colour and shows cymose branching. It can be distinguished from the modified root by the presence of nodes, internodes, terminal buds, axillary buds and scale leaves. The rhizome are perennial and propagate vegetatively. They store food materials and appear tuberous. E.g., Zingiber officinale (ginger), Curcuma longa (turmeric), Canna indica.


Question-4

Assertion (A) In external fertilisation, syngamy occurs inside the female.
Reason (R)The offspring produced by external fertilisation are vulnerable to predators.

(a)

(b)

(c)

(d)

Explanation:

Answer: (d)

Assertion is false, but Reason is true. Assertion can be corrected as In external fertilisation, fertilisation or syngamy occurs outside the female body.


Question-5

Apomixis in plant means development of a plant

(a)

(b)

(c)

(d)


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