Free Reproduction In Organisms (Daily Quiz: 5) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Reproduction In Organisms (Daily Quiz: 5) Time:

Question-1

Match the definition (given in column I) with their correct term (given in column II) and choose the correct combination from the options given.
Column-IColumn-II
A. The pollen transferred from one flower to anotherI. Germination
B. The process in which embryo develops into seedling II. Pollination
C. Fertilized egg in humans gets implanted in III. Menstruation
D. When egg in humans is not fertilized process occurIV. Uterus
Codes:

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Pollination is the process by which pollen is transferred from the anther (male part) to the stigma (female part) of the plant, thereby enabling fertilization and reproduction.

Germination is the process by which a plant grows from a seed, e.g., the sprouting of a seedling from a seed of an angiosperm or gymnosperm.

Uterus is the enlarged, muscular, expandable portion of the oviduct in which the fertilized ovum implants and develops during prenatal development.

Menstruation is the process in a woman of discharging blood and other material from the lining of the uterus at intervals of about one lunar month from puberty until the menopause, except during pregnancy.


Question-2

Assertion:
In angiosperms the ovule develops into a seed after fertilization.
Reason:
Fertilization is not essential for the formation of fruit.

(a)

(b)

(c)

(d)


Question-3

Assertion:
Budding and gamete formation are the common asexual methods seen in animals.
Reason:
Asexual method does not involve the formation and fusion of gametes.

(a)

(b)

(c)

(d)


Question-4

The most critical event in sexual reproduction is

(a)

(b)

(c)

(d)


Question-5

The oestrous cycle is a characteristic of

(a)

(b)

(c)

(d)

Explanation:

Answer: (c)

Oestrous cycle comprises cyclic changes in female reproductive system of non-primate mammals like cows, dogs, etc. The oestrous cycle consists of a short period of oestrous or 'heat' (e.g., 18 hours in cow) followed by the rest of period of anoestrous or 'passive'. During oestrous, the female receives the male for copulation. During anoestrus, the female becomes passive and does not receive the male. Although the break down of tissues takes place in the female reproductive tract at the end of an oestrous cycle, yet there is no menstruation.


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