In a moss, the sporophyte:

(1) is partially parasitic on the gametophyte

(2) produces gametes that give rise to the gametophyte

(3) arises from a spore produced from the gametophyte

(4) manufactures food for itself, as well as for the gametophyte

Subtopic:  Bryophytes |
 56%
From NCERT
NEET - 2006
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In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result:

(1) there is no change in success rate of fertilization

(2) there is high degree of sterility

(3) one can conclude that the plant is apomictic

(4) self fertilization is prevented

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
 73%
NEET - 2007
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Which one of the following statements is wrong?

(1) Algin and carrageenan are products of algae

(2) Agar-agar is obtained from Gelidium and Gracilaria

(3) Chlorella and Spirulina are used as space food

(4) Mannitol is stored food in Rhodophyceae

Subtopic:  Algae |
 87%
From NCERT
NEET - 2015
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Male gametes are flagellated in

1. Polysiphonia

2. Anabaena

3. Ectocarpus

4. Spirogyra

Subtopic:  Algae |
 64%
From NCERT
NEET - 2015
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The most primitive among the living vascular plants are the

(1) ferns

(2) brown algae

(3) mosses

(4) cycads

Subtopic:  Bryophytes |
 63%
From NCERT
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Non flowering plants are included under

(1) cryptogamae

(2) phanerogamae

(3) angiosperms

(4) Both a and b

Subtopic:  Classification System: II | Classification System |
 53%
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Chlorophyll present in red algae is

1. a, d 2. a, b
3. a, c 4. b, c
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 90%
From NCERT
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Shape of chloroplast present in Ulothrix is

(1) cup shaped

(2) girdle shaped

(3) star shaped

(4) diffused type

Subtopic:  Algae |
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This plant is used as a packing material and also forms an excellent fodder for feeding cattle.

(1) Medicago

(2) Pongamia

(3) Cratolaria

(4) All of these

Subtopic:  General Account of Angiosperms (OLD NCERT) |
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The green alga rich in proteins used as food supplements even by space travelers is

(1) Chlorella

(2) Scendesmus

(3) Porphyra

(4) Carrageen 

Subtopic:  Algae |
 78%
From NCERT
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