2
MCQ (Single Correct Answer)
Fusion of two motile gametes which are dissimilar in size is termed as
A
oogamy
B
isogamy
C
anisogamy
D
zoogamy
3
MCQ (Single Correct Answer)
Holdfast, stipe and frond constitutes the plant body in case of
A
Rhodophyceae
B
Chlorophyceae
C
Phaeophyceae
D
All of these
4
MCQ (Single Correct Answer)
A plant shows thallus level; of organisation. It shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to
A
pteridophytes
B
gymnosperms
C
monocots
D
bryophytes
5
MCQ (Single Correct Answer)
A prothallus is
A
a structure in pteridophytes formed before the thallus develops
B
a sporophytic free living structure formed in pteridophytes
C
a gametophyte free living structure formed in pteridophytes
D
a primitive structure formed after fertilisation in pteridophytes
6
MCQ (Single Correct Answer)
Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in compact structures called cones. The group in reference is
A
monocots
B
dicots
C
pteridophytes
D
gymnosperms