Q. No.The given pattern of life cycle will be seen in:
1. Spirogyra
2. Fucus
3. Chlamydomanas
4. Polysiphonia
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In the given longitudinal section of archegonium of moss identify A, B, C and D respectively:
1. Ventral canal cell, Neck canal cell, Egg, Venter
2. Ventral canal cell, Neck canal cell, Venter, Egg
3. Neck canal cell, Ventral canal cell, Venter, Egg
4. Neck canal cell, Ventral canal cell, Egg, Venter
Match each item in Column I with one in Column II and select the correct answer from the codes given:
|
Column I |
Column II |
|
A. Floridean starch |
a. It is created by photosynthesis and is made up of β(1→3)-glucan with β(1→6)-branches |
|
B. Laminarin |
b. An α-linked glucose polymer with a degree of branching intermediate between amylopectin and glycogen |
|
C. Mannitol |
c. A sugar alcohol, an isomer of sorbitol |
Codes
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | b | a |
In the given diagram of Funaria, what are A, B, C and D respectively?
1. Sporophyte, Gametophyte, Female branch, Male branch
2. Gametophyte, Sporophyte, Female branch, Male branch
3. Sporophyte, Gametophyte, Male branch, Female branch
4. Gametophyte, Sporophyte, Male branch, Female branch
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The given diagram shows:
1. Male thallus of Marchantia
2. Female thallus of Marchantia
3. Sphagnum sporophyte
4. Sphagnum gametophyte
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The given diagram shows:
| 1. | Salvinia with A being antheridial branch and B being archegonial branch |
| 2. | Salvinia with A being archegonial branch and B being antheridial branch |
| 3. | Sphagnum with A being antheridial branch and B being archegonial branch |
| 4. | Sphagnum with A being archegonial branch and B being antheridial branch |
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Consider the given two statements:
I. The term ‘embryophytes’ is an appropriate synonym for plants.
II. The occurrence of a multicellular, matrotrophic embryo in plants from bryophytes through angiosperms.
1. Both I and II are correct and II explains I
2. Both I and II are incorrect but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect
The bryophyte that plays a very important role in global carbon cycle is:
1. Funaria
2. Marchantia
3. Anthoceros
4. Sphagnum
Consider the two trends in evolution of plants:
I. A reduction of vascular tissues occurs from gymnosperms and woody dicots to herbaceous dicots to monocots
II. The gametophytes of vascular plants have become smaller and simpler
1. Both I and II are correct
2. Only I is correct
3. Only II is correct
4. Both I and II are incorrect
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