NEET Biology MCQ - Reproduction In Organisms Mcq - Quiz-8 Solution

Q.1.

hich physiological process is necessary for birth, growth, death, production of offspring and for continuity of the species?

5%
a) Digestion
27%
b) Transportation
68%
c) Reproduction
0%
d) Nutrition

Explanation

Q.2.

n which plants motile ciliated spores are produced during spore formation?

33%
a) Chlamydomonas
52%
b) Spirogyra
5%
c) Dictyota
10%
d) Fucus

Explanation

Q.3.

hich type of spores are produce by Pteridophytes and gymnosperms ?

10%
a) Spores
30%
b) Somatic spores
45%
c) Heterospores
15%
d) Homospores

Explanation

Q.4.

uring which phase a living organism becomes sexually mature?

11%
a) Childhood
63%
b) Adolescence
11%
c) Old age
16%
d) None of these

Explanation

Q.5.

nternal fertilization and undoubtful maternity is guaranteed in the following type of sexual reproduction:

26%
a) Isogamy and Anisogamy
21%
b) Anisogamy only
42%
c) Oogamy and Anisogamy
11%
d) Oogamy only

Explanation

Q.6.

atch column I and column II.

Column I (Name of organism)	Column II [Chromosome number in gametes (n])
a. Apple	17
b. Maize	10
c. Potato	24
d. Human beings	23
e. Rice	12
f. Ophioglossum	630

43%
a) a=1, b=2, c=3, d=4, e=5, f=6
21%
b) a=2, b=3, c=6, d=1, e=5, f=4
29%
c) a=3, b=4, c=2, d=1, e=6, f=5
7%
d) a=4, b=3, c=5, d=1, e=2, f=6

Explanation

Q.7.

mong the following, the correct statement is:

17%
a) In animals, reproductive phase is followed by morphological and physiological changes prior to senescent phase
17%
b) Only in animals hormones are responsible for the transition between juvenile, reproductive and senescent phase
58%
c) All organisms have to reach a certain stage of growth and maturity in their life, before they can reproduce sexually
8%
d) Annual and biennials does not show clearly defined vegetative, reproductive and senescent phases

Explanation

Q.8.

n which of following, diameter of stock is larger than scion:

45%
a) Side grafting
27%
b) Tongue grafting
18%
c) Wedge grafting
9%
d) Crown grafting

Explanation

Q.9.

ither male or female reproductive organs are found in the body

20%
a) Monoecious
20%
b) Dioecious
10%
c) Meiocyte
50%
d) Syngamy

Explanation

Q.10.

ametes released in the surrounding medium

20%
a) Fishes
10%
b) Amphibians
10%
c) Mammals
60%
d) Both a and b

Explanation

Q.11.

n which type of organism asexual reproduction is seen?

38%
a) Unicellular
12%
b) Bicellular
25%
c) Multicellular
25%
d) Both a and c

Explanation

Q.12.

hich special method of reproduction is found on Nephrolepis?

12%
a) Offsets
38%
b) Stolons
38%
c) Runner
12%
d) Suckers

Explanation

Q.13.

hich of the following Plant shows root cutting?

44%
a) Sugarcane
22%
b) Croton
0%
c) Rose
33%
d) Lemon

Explanation

Q.14.

hich method of asexual reproduction can be said as method of regeneration?

25%
a) Binary fission
12%
b) Sporulation
12%
c) Budding
50%
d) Fragmentation

Explanation

Q.15.

y which medium gametes of Algae, Bryophytes and Pteridophytes move?

12%
a) Air
62%
b) Water
0%
c) Lipids
25%
d) Tissue

Explanation

Q.16.

hich organism becomes reproductive due to deficiency of mitosis and meiosis?

29%
a) Dog
14%
b) Amoeba
14%
c) Grasshopper
43%
d) Earthworm

Explanation

Q.17.

ssertion: The main function of stem is reproduction. Reason: Stem contains (possess) leaves which produce food for plant.

33%
a) Assertion is true and Reason is false
17%
b) Assertion is false and Reason is true
33%
c) Assertion and Reason both are true and Reason is correct explanation of Assertion
17%
d) Assertion and Reason both are true but Reason is not correct explanation of Assertion

Explanation

Q.18.

atch the appropriate pairs.

Column - I	Column - II
(P) Terminalia	(i) Layering
(Q) Rose	(ii) Root cutting
(R) Hibiscus	(iii) Grafting
(S) Mango	(iv) Stem cutting

29%
a) P-i, Q-ii,R-iii, S-iv
14%
b) P-iv, Q-iii, R-ii, S-i
43%
c) P-ii, Q-iv, R-i, S-iii
14%
d) P-ii, Q-iv, R-iii, S-i

Explanation

Q.19.

aploid plants are obtained by culture of-

33%
a) Young leaves
17%
b) Endosperm
33%
c) Pollen grain
17%
d) Root apex

Explanation

Q.20.

hich of the following animal shows longitudinal binary fission?

43%
a) Euglena
43%
b) Plasmodium
14%
c) Planaria
0%
d) Paramecium

Explanation

Q.21.

here is maturity observed in the Sporophytic stage of the plants?

0%
a) In gemina
29%
b) In primary structures
57%
c) In sporophylls
14%
d) In eggs

Explanation

Q.22.

ccurrence of an embryo after the adult stage required the following embryological events:

17%
a) Occurrence of meiosis in zygote soon after fertilization
33%
b) Occurrence of mitosis in zygote soon after fertilization
50%
c) Internal fertilization which is occurring in the female body
0%
d) Non – motile female and male gametes

Explanation

Q.23.

egetative propogules in certain angiosperms are given. The correct matching is:

Column I	Column II
a. Ginger	Eye of stem tuber
b. Potato	Leaf bud
c. Agave	Rhizome
d. Bryophyllum	Offset
e. Water hyacinth	Bulbil
f. Banana	-- --

25%
a) a=2, b=1, c=5, d=4, e=3, f=1
25%
b) a=3, b=1, c=5, d=2, e=4, f=3
50%
c) a=4, b=2, c=5, d=1, e=3, f=4
0%
d) a=5, b=3, c=1, d=4, e=2, f=2

Explanation

Q.24.

uvenile phase represents the period of

80%
a) Growth
20%
b) Death
0%
c) Birth
0%
d) None

Explanation

Q.25.

n some algae----are motile

25%
a) male gametes
25%
b) female gametes
25%
c) both male and female gametes
25%
d) none of the above

Explanation

Q.26.

ow does Amoeba reproduce?

67%
a) Binary fission
33%
b) Budding
0%
c) Sporulation
0%
d) Both a and c

Explanation

Q.27.

ther than Euglena, which of the following organism divides by longitudinal division?

0%
a) Amoeba
25%
b) Paramecium
75%
c) Vorticella
0%
d) Plasmodium

Explanation

Q.28.

n which plants isogametes are seen?

0%
a) Cladophora
0%
b) Ulothrix
67%
c) Spirogyra
33%
d) Both a and b

Explanation

Q.29.

n Angiosperms which part of the flowers attached with plant body.

75%
a) Calyx
0%
b) Corolla
0%
c) Gynoecium
25%
d) Androecium

Explanation

Q.30.

ssertion: In specific plant structure rhizome, tuber, corm, bulbil are the strange sexual reproductive system Reason: These are the common vegetative reproduction in monocotyledon family

0%
a) Assertion is true and Reason is false
33%
b) Assertion is false and Reason is true
67%
c) Assertion and Reason both are true and Reason is correct explanation of Assertion
0%
d) Assertion and Reason both are true but Reason is not correct explanation of Assertion

Explanation

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