In which of the following mammal Oestrus cycle is absent:

A.Cow

B.Horse

C.Monkey

D.Rabbit

Subtopic:  Sexual Reproduction |
 86%
From NCERT
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__________ is formed just after fertilization.

A.Morula

B.Blastula

C.Zygote

D.Foetus

Subtopic:  Events during Sexual reproduction |
 87%
From NCERT
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Which type of spores are produce by pteridophytes and gymnosperms?

A.Spore myoblast

B.Somatic spores

C.Heterospores

D.Homospores

Subtopic:  Asexual Reproduction |
 80%
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What is common between vegetative reproduction and apomixis?

A.Both are applicable to only dicot plants

B.Both bypass flowering phase

C. Both occur round the year

D.Both produces progeny identical to parent

Subtopic:  Asexual Reproduction |
 84%
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Which structure provides surface for the settlement of pollen grains in angiosperm plants?

A.Anther

B.Style

C.Stigma

D.Pollen tube

Subtopic:  Events during Sexual reproduction |
 83%
From NCERT
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Which are the various stages of sexual reproduction?

A.Growth, Development, Differentiation

B.Pre fertilization, Fertilization, Post fertilization

C.Fertilization, Post Fertilization, Pre Fertilization

D.Gametogenesis, Gamete transfer, Gamete Fertilization

Subtopic:  Events during Sexual reproduction |
 85%
From NCERT
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Grafting is impossible in monocot-because

A. vascular cambium is absent 

B. Meristematic tissue is absent

C. Collateralopen vascular bundle

D. Radial vascular bundle

Subtopic:  Artificial |
 67%
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Match the following

(P) Fission                   (i) Ulothrix, Saprolegnia

(Q) Budding               (ii) Oedogonium, Chlamydomonas

(R) Fragmentation   (iii) Algal, Fungi, Monera

(S) Sporulation        (iv) Dictyota, Fucus, Protosiphon

(1) P-i, Q-ii,R-iii, S-iv

(2) P-ii, Q-iii, R-iv, S-i

(3) P-iii, Q-iv, R-i, S-ii

(4) P-iii, Q-iR-ii, S-iv

 

Subtopic:  Asexual Reproduction |
 57%
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Identify the structure

A.Conidia

B.Penicillium

C.Algae

D.Zoospore

Subtopic:  Asexual Reproduction |
 83%
From NCERT
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Identify X

(1) Stem

(2) Runner

(3) Offset

(4) Bud

Subtopic:  Asexual Reproduction |
 90%
From NCERT
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