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NEET Biology MCQ
Reproduction In Organisms Mcq
Quiz 10
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Q.1
rafting is impossible in monocot-because (UTTRANCHAL PMT-2004)
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a) Vascular bundles are scattered
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b) Meristem is absent
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c) Collateral open vascular bundle
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d) Radial vascular bundle
Explanation
Answer:(b)
Q.2
sogametes are seen in:
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a) Cladophora
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b) Fucus
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c) Humans
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d) Both A and B
Explanation
Answer:(a)
Q.3
ametes are usually
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a) Haploid
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b) Diploid
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c) Both a and b
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d) None of the above
Explanation
Answer:(a)
Q.4
n which method of asexual reproduction the division of cytoplasm is not possible?
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a) Amitotic division
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b) Binary fission
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c) Division
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d) Budding
Explanation
Answer:(a)
Q.5
hich phase of conjugation is impossible in gametes?
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a) Post-fertilization phase
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b) Fertilization phase
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c) Pre-fertilization phase
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d) Gamete phase
Explanation
Answer:(d)
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
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a) 32, 12
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b) 16, 12
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c) 16, 06
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d) 32, 06
Explanation
NCERT 12 old textbook House fly : 2n = 16, n = 8 Onio : 2n =32 , n = 16 NCERT 12 New text book House fly : 2n = 12, n = 6 Onio : 2n =16 , n = 8 Answer:(c)
Q.7
hich of the following is associated with vegetative reproduction?
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a) Combination of pre-existing cytoplasm
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b) Tissue culture
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c) Endo static fertilization
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d) (a) and (b) Both
Explanation
Answer:(b)
Q.8
he correct statement is:
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a) The process of development of embryo from zygote is Parthenocarpy
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b) In animals, the zygote starts developing soon after its formation
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c) In rotifers, honeybees and in some lizards new organisms develop only from fertilised eggs
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d) Organism exhibiting external fertilization does not need a liquid medium
Explanation
Answer:(b)
Q.9
hat types of chromosomes are always present in gametes?
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a) Haploid
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b) Diploid
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c) Triploid
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d) Tetraploid
Explanation
Answer:(a)
Q.10
hich algae reproduce by fragmentation?
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a) Ulothrix, Oedogonium
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b) Spirogyra, Zygnema
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c) Sargassum, Oscillatoria
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d) Both a and b
Explanation
Answer:(d)
Q.11
hat is the eye of potato?
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a) Root
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b) Stem
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c) Bud
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d) Flower
Explanation
Answer:(c)
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
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a) P-i, Q-ii,R-iii, S-iv
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b) P-ii, Q-iii, R-iv, S-i
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c) P-iii, Q-iv, R-i,S-ii
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d) P-iii, Q-iR-ii, S-iv
Explanation
Answer:(c)
Q.13
n grafting scion forms:
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a) Root system
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b) Shoot system
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c) Hybrid plant
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d) New plant
Explanation
Grafting and budding are horticultural techniques used to join parts from two or more plants so that they appear to grow as a single plant. In grafting, the upper part i.e. shoot system (scion) of one plant grows on the root system (rootstock) of another plant. Answer:(b)
Q.14
ethod of Gamete transfer
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a) Pollination
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b) Pollen
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c) Zygote
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d) Tentacles
Explanation
Answer:(a)
Q.15
ow does vegetative reproduction take place in flowering plants?
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a) Natural
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b) Artificial
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c) By chemicals
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d) Both a and b
Explanation
Answer:(d)
Q.16
evelopment of zygote result in formation of............... .
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a) Seed
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b) Fruit
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c) Embryo
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d) Seed coat
Explanation
Answer:(c)
Q.17
hich of the following plant reproduces by leaf ?
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a) Agave
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b) Bryophyllum
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c) Gladiolus
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d) Potato
Explanation
Answer:(b)
Q.18
hich of the following is a dioecious plant?
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a) Cotton
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b) Tomato
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c) Castor
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d) Papaya
Explanation
Answer:(d)
Q.19
hich animal reproduce by multiple fission?
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a) Hydra
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b) Plasmodium
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c) Spongilla
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d) Euglena
Explanation
Answer:(b)
Q.20
n which method of asexual reproduction the offspring's are genetically identical, to the parents?
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a) Amitotic division
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b) Multiple fission
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c) Division
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d) Binary fission
Explanation
Answer:(d)
Q.21
ind out mismatched from the following.
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a) Lawn grass-runner
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b) Mango-Grafting
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c) Lemon-by embryo grafting
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d) Bamboo-Grafting
Explanation
Answer:(d)
Q.22
he production of new plant from the maternal plant is called. (CPMT=2003)
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a) Vegetative reproduction
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b) Cutting
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c) Grafting
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d) Layering
Explanation
Answer:(a)
Q.23
hich of the following combinations are monoecious plants?
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a) Cucurbita, Nutmeg, Date palm
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b) Papaya, Nutmeg, Date palm
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c) Cucurbita, Coconuts, Maize
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d) Maize, Papaya, Date palm
Explanation
Answer:(c)
Q.24
n which organism other than amoeba, sporulation is seen?
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a) Paramecium
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b) Plasmodium
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c) Hydra
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d) Planaria
Explanation
Answer:(b)
Q.25
hich of the following pair is incorrect ?
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a) Lawn grass-runner
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b) Pistia-offset
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c) Nephrolepis-stolon
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d) Selaginella -Suckers
Explanation
Answer:(d)
Q.26
n which circumstances pseudopodiospores are produced?
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a) Normal
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b) Favourable
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c) Unfavourable
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d) Specific condition
Explanation
When favourable conditions return, the encysted Amoeba divides by multiple fission and produces many minute amoeba or pseudopodiospores; the cyst wall bursts out, and the spores are liberated in the surrounding medium to grow up into many amoebae. This phenomenon is known as sporulation. Answer:(c)
Q.27
ssertion: Juvenile phase possess plant growth. Reason: after this phase plant is ready for pre fertilization phase.
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a) Assertion is true and Reason is false
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b) Assertion is false and Reason is true
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c) Assertion and Reason both are true and Reason is correct explanation of Assertion
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d) Assertion and Reason both are true but Reason is not correct explanation of Assertion
Explanation
Answer:(d)
Q.28
egetative propagation in Agave, Oxalis and Dioscorea takes place:
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a) Through turions
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b) Through internal buds called Gemmules
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c) Through bulbils
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d) Through air layering
Explanation
Answer:(c)
Q.29
n which method pseudopodiospores are formed?
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a) Binary fission
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b) Multiple fission
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c) Sporulation
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d) Budding
Explanation
Answer:(c)
Q.30
he plants which bears only one kind of spores during Sporophytic, stage are known as........
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a) Spores
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b) Heterosporous
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c) Homosporous
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d) Gametes
Explanation
Answer:(c)
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