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%
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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%
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Identify X

(1) Stem

(2) Runner

(3) Offset

(4) Bud

Subtopic:  Asexual Reproduction |
 90%
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Identify A and B


1. A-Archegoniphore, B-Anthediophore

2. A- Anthediophore, B- Archegoniphore

3. A-Anthridium, B-Style

4. A-Ovary, B-Blastopore

Subtopic:  Events during Sexual reproduction |
 83%
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Identify A and B

(1) A- Antheridium, B-Oogonium

(2) A-Oogonium, B- Antheridium

(3) A-Ovary, B- Endosperm

(4) A- Ovary, B-Seed

Subtopic:  Events during Sexual reproduction |
 84%
From NCERT
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Organism in which both male and female gametes are motile are

A. Algae

B. Fungi

C. Fish

D. Both A and B

Subtopic:  Events during Sexual reproduction |
 77%
From NCERT
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