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Q. No.Encystation is the process in which
1.
Organism divides by multiple fission
2.
Organisms such as Amoeba withdraws its pseudopodia and secretes hard covering
3.
Unicellular organisms reproduce in favorable conditions
4.
Multicellular organisms produce spores
Subtopic: Asexual Reproduction |
86%
From NCERT
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Subtopic: Events during Sexual reproduction |
75%
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Which amongst the following is not a vegetative propagule?
1. Bulb
2. Rhizome
3. Conidia
4. Tuber
1. Bulb
2. Rhizome
3. Conidia
4. Tuber
Subtopic: Asexual Reproduction |
76%
From NCERT
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Which organism can reproduce through multiple fission under special circumstances?
1. Yeast
2. Hydra
3. Penicillium
4. Amoeba
1. Yeast
2. Hydra
3. Penicillium
4. Amoeba
Subtopic: Asexual Reproduction |
84%
From NCERT
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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
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%
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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%
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Subtopic: Asexual Reproduction |
85%
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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%
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