NEET Biology MCQ - Reproduction In Organisms Mcq - Quiz-10 Solution

Q.1.

rafting is impossible in monocot-because (UTTRANCHAL PMT-2004)

37%
a) Vascular bundles are scattered
42%
b) Meristem is absent
16%
c) Collateral open vascular bundle
5%
d) Radial vascular bundle

Explanation

Q.2.

sogametes are seen in:

36%
a) Cladophora
14%
b) Fucus
0%
c) Humans
50%
d) Both A and B

Explanation

Q.3.

ametes are usually

71%
a) Haploid
14%
b) Diploid
14%
c) Both a and b
0%
d) None of the above

Explanation

Q.4.

n which method of asexual reproduction the division of cytoplasm is not possible?

46%
a) Amitotic division
31%
b) Binary fission
8%
c) Division
15%
d) Budding

Explanation

Q.5.

hich phase of conjugation is impossible in gametes?

33%
a) Post-fertilization phase
17%
b) Fertilization phase
17%
c) Pre-fertilization phase
33%
d) Gamete phase

Explanation

Q.6.

ow many chromosome number are seen in Onion and Housefly during meiosis? Data in Old and NEw NCERT textbook is diffirent, Please click on

17%
a) 32, 12
50%
b) 16, 12
17%
c) 16, 06
17%
d) 32, 06

Explanation

Q.7.

hich of the following is associated with vegetative reproduction?

9%
a) Combination of pre-existing cytoplasm
45%
b) Tissue culture
0%
c) Endo static fertilization
45%
d) (a) and (b) Both

Explanation

Q.8.

he correct statement is:

10%
a) The process of development of embryo from zygote is Parthenocarpy
40%
b) In animals, the zygote starts developing soon after its formation
40%
c) In rotifers, honeybees and in some lizards new organisms develop only from fertilised eggs
10%
d) Organism exhibiting external fertilization does not need a liquid medium

Explanation

Q.9.

hat types of chromosomes are always present in gametes?

58%
a) Haploid
25%
b) Diploid
8%
c) Triploid
8%
d) Tetraploid

Explanation

Q.10.

hich algae reproduce by fragmentation?

11%
a) Ulothrix, Oedogonium
56%
b) Spirogyra, Zygnema
22%
c) Sargassum, Oscillatoria
11%
d) Both a and b

Explanation

Q.11.

hat is the eye of potato?

20%
a) Root
50%
b) Stem
30%
c) Bud
0%
d) Flower

Explanation

Q.12.

atch the appropriate pairs.

Column - I	Column - II
(P) Fission	(i) Ulothrix, Saprolegnia
(Q) Budding	(ii) Oedogonium, Chlamydomonas
(R) Fragmentation	(iii) Algal, Fungi, Monera
(S) Sporulation	(iv) Dictyota, Fucus, Protosiphon

12%
a) P-i, Q-ii,R-iii, S-iv
25%
b) P-ii, Q-iii, R-iv, S-i
50%
c) P-iii, Q-iv, R-i,S-ii
12%
d) P-iii, Q-iR-ii, S-iv

Explanation

Q.13.

n grafting scion forms:

0%
a) Root system
50%
b) Shoot system
12%
c) Hybrid plant
38%
d) New plant

Explanation

Q.14.

ethod of Gamete transfer

75%
a) Pollination
0%
b) Pollen
25%
c) Zygote
0%
d) Tentacles

Explanation

Q.15.

ow does vegetative reproduction take place in flowering plants?

38%
a) Natural
12%
b) Artificial
0%
c) By chemicals
50%
d) Both a and b

Explanation

Q.16.

evelopment of zygote result in formation of............... .

30%
a) Seed
10%
b) Fruit
50%
c) Embryo
10%
d) Seed coat

Explanation

Q.17.

hich of the following plant reproduces by leaf ?

14%
a) Agave
71%
b) Bryophyllum
0%
c) Gladiolus
14%
d) Potato

Explanation

Q.18.

hich of the following is a dioecious plant?

0%
a) Cotton
17%
b) Tomato
50%
c) Castor
33%
d) Papaya

Explanation

Q.19.

hich animal reproduce by multiple fission?

29%
a) Hydra
43%
b) Plasmodium
0%
c) Spongilla
29%
d) Euglena

Explanation

Q.20.

n which method of asexual reproduction the offspring's are genetically identical, to the parents?

12%
a) Amitotic division
12%
b) Multiple fission
25%
c) Division
50%
d) Binary fission

Explanation

Q.21.

ind out mismatched from the following.

29%
a) Lawn grass-runner
57%
b) Mango-Grafting
0%
c) Lemon-by embryo grafting
14%
d) Bamboo-Grafting

Explanation

Q.22.

he production of new plant from the maternal plant is called. (CPMT=2003)

88%
a) Vegetative reproduction
12%
b) Cutting
0%
c) Grafting
0%
d) Layering

Explanation

Q.23.

hich of the following combinations are monoecious plants?

14%
a) Cucurbita, Nutmeg, Date palm
29%
b) Papaya, Nutmeg, Date palm
57%
c) Cucurbita, Coconuts, Maize
0%
d) Maize, Papaya, Date palm

Explanation

Q.24.

n which organism other than amoeba, sporulation is seen?

22%
a) Paramecium
67%
b) Plasmodium
11%
c) Hydra
0%
d) Planaria

Explanation

Q.25.

hich of the following pair is incorrect ?

12%
a) Lawn grass-runner
38%
b) Pistia-offset
12%
c) Nephrolepis-stolon
38%
d) Selaginella -Suckers

Explanation

Q.26.

n which circumstances pseudopodiospores are produced?

0%
a) Normal
29%
b) Favourable
43%
c) Unfavourable
29%
d) Specific condition

Explanation

Q.27.

ssertion: Juvenile phase possess plant growth. Reason: after this phase plant is ready for pre fertilization phase.

0%
a) Assertion is true and Reason is false
29%
b) Assertion is false and Reason is true
71%
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

Q.28.

egetative propagation in Agave, Oxalis and Dioscorea takes place:

14%
a) Through turions
57%
b) Through internal buds called Gemmules
29%
c) Through bulbils
0%
d) Through air layering

Explanation

Q.29.

n which method pseudopodiospores are formed?

38%
a) Binary fission
0%
b) Multiple fission
50%
c) Sporulation
12%
d) Budding

Explanation

Q.30.

he plants which bears only one kind of spores during Sporophytic, stage are known as........

25%
a) Spores
25%
b) Heterosporous
50%
c) Homosporous
0%
d) Gametes

Explanation

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