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Q. No.Water hyacinth propagate at a phenomenal rate spread all over the water body in a short period of time through
1. Offsets
2. Seeds
3. Bulbs
4. Rhizomes
Subtopic: Asexual Reproduction |
92%
From NCERT
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Match the following and select the correct option.
1. a(i), b(iii), c(ii), d(iv)
2. a(i), b(iii), c(iv), d(ii)
3. a(iii), b(iv), c(i), d(ii)
4. a(iii), b(i), c(iv), d(ii)
| Column I | Column II | ||
| a. | Penicillium | (i) | Zoospores |
| b. | Chlamydomonas | (ii) | Buds |
| c. | Agave | (iii) | Conidia |
| d. | Hydra | (iv) | Bulbil |
2. a(i), b(iii), c(iv), d(ii)
3. a(iii), b(iv), c(i), d(ii)
4. a(iii), b(i), c(iv), d(ii)
Subtopic: Asexual Reproduction |
88%
From NCERT
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In potato, new plantlets arise form
1. Internodes present on arial stem
2. Nodes present on underground stem
3. Internodes present on underground stem
4. Buds present on roots
1. Internodes present on arial stem
2. Nodes present on underground stem
3. Internodes present on underground stem
4. Buds present on roots
Subtopic: Asexual Reproduction |
69%
From NCERT
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Subtopic: Asexual Reproduction |
85%
From NCERT
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In sexually reproducing organisms, male and female gametes are formed by
(a) Two different individuals
(b) Same individual
(c) The process of mitosis
(d) The Process of meiosis
The correct one(s) is/are
1. (a), (b) and (d) Only
2. (a) Only
3. All (a), (b), (c) and (d)
4. (a) and (d) only
(a) Two different individuals
(b) Same individual
(c) The process of mitosis
(d) The Process of meiosis
The correct one(s) is/are
1. (a), (b) and (d) Only
2. (a) Only
3. All (a), (b), (c) and (d)
4. (a) and (d) only
Subtopic: Sexual Reproduction | Events during Sexual reproduction |
From NCERT
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Subtopic: Events during Sexual reproduction |
82%
From NCERT
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The end of vegetative phase can easily be seen in
1. Algae
2. Bacteria
3. Higher plants
4. Protozoans
1. Algae
2. Bacteria
3. Higher plants
4. Protozoans
Subtopic: Events during Sexual reproduction |
74%
From NCERT
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Plants which flower only once in their life time is
1. Jackfruit
2. Bamboo species
3. Mango
4. Papaya
1. Jackfruit
2. Bamboo species
3. Mango
4. Papaya
Subtopic: Events during Sexual reproduction |
93%
From NCERT
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All of the following plants flower once in their life time, except
1. Bamboo
2. Marigold
3. Jackfruit
4. Neelakuranji
1. Bamboo
2. Marigold
3. Jackfruit
4. Neelakuranji
Subtopic: Events during Sexual reproduction |
From NCERT
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Subtopic: Asexual Reproduction |
93%
From NCERT
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