Emergence of seedling is due to
(1) Plasmolysis
(2) Active Transport
(3) Osmosis
(4) Imbibition
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWooden doors swell up and get stuck during the rainy season. This is due to the
phenomenon of
1. imbibition
2. endosmosis
3. capillarity
4. deplasmolysis.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrehistoric man used which of the following methods to split rocks and boulders?
(1) Plasmolysis
(2) Active Transport
(3) Osmosis
(4) Imbibition
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor imbibition to occur the pre-requisites is/are:
i. Water potential gradient between the adsorbent and the liquid imbibed.
ii. Affinity between the adsorbent and the liquid imbibed.
1. Only i
2. Only ii
3. Both i and ii
4. Neither i nor ii
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is the first step in the germination of a seed?
1. pollination
2. fertilization
3. imbibition
4. hydrolysis of starch and other food reserves
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following statements (with respect to imbibition):
A. Special type of diffusion when water is absorbed by solid colloids.
B. There is enormous increase in volume of imbibant.
C. Affinity between the absorbant and absorbate is a pre-requisite.
D. Water movement occurs against the concentration gradient.
1. Only A is correct
2. Only A and B are correct
3. Only A, B and C are correct
4. All are correct
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich is not an example of imbibition
1.Raisins soaked in water
2. Wheat grains soaked in water
3. Gram seeds soaked in water
4. A piece of wood soaked in water.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn germination of seed, what is absorbent?
(1) Seed
(2) Water
(3) Environment
(4) Seedling
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following and choose the correct option.
Column I |
Column II |
A. Leaves |
(i) Anti – transpirant |
B. Seed |
(ii) Transpiration |
C. Roots |
(iii)Negative osmotic potential |
D. Aspirin |
(iv) Imbibition |
E. Plasmolysed Cell |
(v) Absorption |
Codes
1. A-ii, B-iv, C-v, D-i, E-iii
2. A-iii, B-ii, C-iv, D-i, E-v
3. A-i, B-ii, C-iii, D-iv, E-v
4. A-v, B-iv, C-iii, D-ii, E-i
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is an example of imbibition?
1. Uptake of water by roothair
2. Exchange of gases in stomata
3. Swelling of seed when put in soil
4. Opening of stomata
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology