Study the following diagram carefully and select the correct statement given below for this plant
1. It is a source of carrageenan
2. It shows the haplontic life cycle
3. Laminarin has stored food in it
4. (2) and (3) both
What is a, b, c, and d in the given table for algae?
Class |
Pigment |
Stored food |
Flagella |
Chlorophyceae |
Chl. a, b |
__a__ |
2-8 equal |
__b__ |
Chl. a, c, Fucoxanthin |
Laminarin |
__c__ |
Rhodophyceae |
Chl. a, d, Phycoerythrin |
__d__ |
Absent |
1. | a : Starch; b : Pheophyceae; c : 2, Lateral equal; d : Floriden starch |
2. | a : Glycogen; b : Pheophyceae; c : 2 Lateral unequal; d : Floriden starch |
3. | a : Starch; b : Pheophyceae; c : 2 apical unequal; d : Floriden starch |
4. | a : Starch; b : Pheophyceae; c : 2 Lateral unequal; d : Floriden starch |
Read the following statements :
(a) More than one Archegonia
(b) Show symbiotic associated with Nitrogen fixing Cyanobacteria and fungus
(c) Show heterosporous nature
(d) Reduced male gametophyte is called a pollen grain
The above statement is related to which option?
1. Bryophytes
2. Gymnosperms
3. Pteridophytes and Gymnosperm
4. Gymnosperm and Angiosperm
In pteridophytes, antheridium are present in :-
1. Leafy gametophyte
2. Prothallus
3. Sporophyll
4. Protonema
A feature common in gametophyte of both mosses and maximum ferns is-
1. Independent existence
2. Both are monoecious in nature
3. Presence of vascular tissue
4. Both are filamentous
In ferns, fertilization does not involve:
1. Archegonia
2. Water
3. Pollen tube
4. Flagellated antherozoids
Read the statement (a - d) :
a. The male and female gametophytes do not have independent existence.
b. The multicellular female gametophyte is also retained within megasporangium.
c. The gametophytic generation is reduced.
d. Sporophylls are aggregate to form cone like structures.
The above statements belong to which group of plant kingdom?
1. Bryophytes
2. Pteridophytes
3. Gymnosperms
4. Angiosperms
The unbranched stem is character of which gymnosperm:-
1. Pinus
2. Cycas
3. Cedrus
4. Lycopodium
Which one is wrongly matched?
1. Red algae – Porphyra
2. Corelloid roots – Cycas
3. Moss – Funaria
4. Bryophyte – Pinus
In which of the following set of plants, symbiotic association of cyanobacteria is present?
1. Cycas, Pinus
2. Lichens, Pinus
3. Lichens, Pisum
4. Cycas, Azolla