321.
Neck of the archegonium of fern is
A
Long & straight
B
Short and straight
C
Long and curved
D
Short and curved
Answer :
Short and curved
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
322.
Indusium of Pteridium is
A
Outer false & inner true
B
Outer true & inner false
C
Only true type
D
Only false
Answer :
Outer false & inner true
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
323.
Spermatia are male gametes of
A
Red algae
B
Diatoms
C
Spermatophyta
D
Euglena
Answer :
Red algae
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
324.
Turpentine oil is obtained from
A
Pinus longifolia
B
Azadirachata
C
Eucalyptus
D
All of the above
Answer :
Pinus longifolia
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
325.
Sporophyte with indefinite growth occurs in
A
Liver worts
B
Horn worts
C
Mosses
D
Fern
Answer :
Horn worts
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
326.
Blue-green algae belong to
A
Eukaryotes
B
Prokaryotes
C
Rhodophyceae
D
Chlorophyceae
Answer :
Prokaryotes
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
327.
"Carrageenin" is obtained from
A
Chondrus crispus
B
Laminaria
C
Gelidium
D
Macrocystis
Answer :
Chondrus crispus
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
328.
Which one of the following statements is wrong?
A
Agar - agar is obtained from Gelidium and Gracilaria
B
Chlorella and Spirulina are used as space food
C
Mannitol is stored food in Rhodophyceae
D
Algin and carragen are products of algae
Answer :
Mannitol is stored food in Rhodophyceae
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
329.
Photosynthetic pigments common to all algae
A
Chlorophyll 'b' and carotene
B
Chlorophyll 'a' and 'b'
C
Chlorophyll 'a' and carotene
D
Chlorophyll and xanthophyll
Answer :
Chlorophyll 'a' and carotene
Discuss Question
No explanation is given for this question. Let's discuss the answer together.
330.
The type of zoospores not formed in Ulothrix are
A
Quadriflagelalted macro zoospores
B
Quadriflagelalted micro zoospores
C
Biflagellated macro zoospores
D
Biflagellated micro zoospores
Answer :
Biflagellated macro zoospores
Discuss Question
No explanation is given for this question. Let's discuss the answer together.