Hydrocolloid carrageen is obtained from:
1. Phaeophyceae only 
2. Chlorophyceae and Phaeophyceae
3. Phaeophyceae and Rhodophyceae
4. Rhodophyceae only

Subtopic:  Algae |
 73%
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NEET - 2022
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Which of the following is incorrectly matched?
1. Volvox - Starch
2. Ectocarpus - Fucoxanthin
3. Ulothrix - Mannitol
4. Porphyra - Floridian starch
Subtopic:  Chlorophyceae: Green Algae: I |
 80%
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Match the plant with the kind of life cycle it exhibits:
List-I List-II
(a) Spirogyra (i) Dominant diploid sporophyte vascular plant, with highly reduced male or female gametophyte
(b) Fern  (ii) Dominant haploid free-living gametophyte
(c) Funaria (iii) Dominant diploid sporophyte alternating with reduced gametophyte called prothallus
(d) Cycas (iv) Dominant haploid leafy gametophyte alternating with partially dependent multicellular sporophyte

Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (ii) (iv) (i) (iii)
2. (iv) (i) (ii) (iii)
3. (ii) (iii) (iv) (i)
4. (iii) (iv) (i) (ii)
Subtopic:  Algae | Bryophytes | Pteridophytes | Gymnosperms |
 67%
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NEET - 2022
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Match List -I with List-II

List - I List - II
a. Cedrus  (i) Pteridophyte
b. Adiantum (ii) Gymnosperm
c. Sphagnum (iii) Liverwort 
d. Marchantia (iv) Moss

Choose the correct answer from the options given below:

a. b. c. d.
1. (ii) (iii) (i) (iv)
2. (iii) (i) (iv) (ii)
3. (ii) (i) (iv) (iii)
4. (iii) (iv) (ii) (i)
Subtopic:  Bryophytes | Pteridophytes | Gymnosperms |
 88%
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NEET - 2022
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Which one of the following structures is haploid in its ploidy level? 
1. Primary Endospore Nucleus 
2. Microspore Mother cell 
3. Protonemal cell of a moss 
4. Primary endosperm nucleus in dicot 

Subtopic:  Bryophytes |
 74%
From NCERT
NEET - 2022
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Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated.
i.   sporophyte dominance, gametophyte independence
ii.   sporophyte dominance, gametophyte dependence
iii.   gametophyte dominance, sporophyte dependence
1. i → ii → iii
2. ii → iii → i
3. ii → i → iii
4. iii → i → ii

 
Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 70%
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Beginning with the germination of a moss spore, what is the sequence of structures that develop after germination?
i.   embryo 
ii.   gametes
iii.  sporophyte 
iv.  protonema
v.  gametophore
1. iv →i → iii → v → ii
2. iv → iii → v → ii → i
3. iv → v → ii → i → iii  
4. iii → iv → v → ii → i

Subtopic:  Bryophytes | Bryophytes (Anthoceropsida) |
 57%
From NCERT
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In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)

A:  Mosses are evolved from algae.
R:  Protonema of mosses is similar to some green algae.
 
Subtopic:  Algae | Bryophytes |
 52%
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Which of the following is true of the life cycle of mosses?
1. The haploid generation grows on the sporophyte generation
2. Spores are primarily distributed by water currents
3. Antheridia and archegonia are produced by gametophytes
4. The sporophyte generation is dominant
Subtopic:  Bryophytes |
 57%
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All of the following cellular structures are functionally important in cells of the gametophytes of both angiosperms and gymnosperms except
1. haploid nuclei
2. mitochondria

3.  cell walls 
4. chloroplasts

 
Subtopic:  General Account of Angiosperms (OLD NCERT) | Life Cycle Patterns in Plants (OLD NCERT) |
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