Free Reproduction In Organisms (Weekly Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Given below are a few statements related to external fertilization. Choose the correct statements.

1. The male and female gametes are formed and released simultaneously.
2. Only a few gametes are released into the medium.
3. Water is the medium in a majority of organisms exhibiting external fertilization.
4. Offspring formed as a result of external fertilization have better chance of survival than those formed inside an organism.

(a) i and iii

(b) iii and iv

(c) ii and iv

(d) i and iv

Question-2

Rhizome which grows vertically upward is

(a) stolon

(b) corm

(c) bulbil

(d) rootstock

Question-3

Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution.

1. Lower groups of organisms have simpler body design.
2. Asexual reproduction is common in lower groups.
3. Asexual reproduction is common in higher groups of organisms.
4. The high incidence of sexual reproduction is angiosperms and vertebrates.

Choose the correct answer from the options given below.

(a) I and II

(b) I and III

(c) II and IV

(d) II and III

Question-4

Which of the following plant flowers once in 12 years?

(a) Strobilanthus kunthiana (Neelakuranji)

(b) Mangifera indica

(c) Helianthus annus

(d) Papver somniferum

Question-5

Match column-I (Organism) with column-II (Chromosome number in meiocyte).

Column-I	Column-II
(A) Housefl y	(1) 12
(B) Apple	(2) 34
(C) Rice	(3) 24
(D) Rat	(4) 42
(E) Onion	(5) 32

(a) A:2, B:3, C:1, D:4, E:5

(b) A:1, B:2, C:3, D:4, E:5

(c) A:5, B:4, C:3, D:2, E:1

(d) A:3, B:2, C:1, D:4, E:5

Question-6

Asexual reproduction is called as

(a) fragmentation

(b) apomixes

(c) self-fertilization

(d) cross-fertilization

Question-7

Which of the following statements is incorrect ?

1. Bamboo species flower only once in their lifetime, generally after 50-100 years and produce large number of fruits and die.
2. In animals, the juvenile phase is followed by morphological and physiological changes prior to active reproductive behaviour.
3. The reproductive phase is of same duration in all organisms.
4. Juvenile phase is the period of growth between the birth of an individual till it reaches reproductive maturity.

(a) Only (ii)

(b) Only (i)

(c) Only (iii)

(d) Only (iv)

Question-8

Syngamy may occur in ………… .

(a) internal medium

(b) external medium

(c) Both (a) and (b)

(d) None of these

Question-9

Offspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because

(a) Gametes of parents have qualitatively different genetic composition.

(b) Sexual reproduction is a lengthy process.

(c) Genetic material comes from parents of two different genetic compositions.

(d) Greater amount of DNA is involved in sexual reproduction.

Question-10

Match the organisms given in column-I with their reproductive structure/mode of reproduction given in column-II and select the correct option from the codes given below :

Column - I	Column - II
A. Sponge	I. Tuber
B. Yeast	II. Offset
C. Potato	III. Gemmules
D. Water hyacinth	IV. Budding

Codes:

(a) A – III; B – I; C – IV; D – II

(b) A – IV; B – I; C – II; D – III

(c) A – III; B – IV; C – I; D – II

(d) A – III; B – IV; C – II; D – I