Biology 11 Chapter - 8
Diversity Among Plants -11
1.
Ginkgo have leaves which are?
a) megaphyllous
b) single veined
c) not veined
d) microphyllous
2.
Leaves which have many vascular bundles are called as?
a) microphyllous
b) mesophyllous
c) megaphyllous
d) single veined
3.
Lycopodium have leaves with?
a) double vascular bundle
b) single vascular bundle
c) many vascular bundles
d) tripple vascular bundle
4.
Outgrowth hypothesis was proposed about the evolution of?
a) megaphyllous leaf
b) microphyllous leaf
c) seed
d) root
5.
The early vascular plants had leafless branches which gradually
reduced in size and became microphyllous leaves. This is?
a) propagation hypothesis
b) plannation hypothesis
c) outgrowth hypothesis
d) reduction hypothesis
6.
In the evolution of megaphyllous leaf, the conversion of forked branches into a single plane is known as?
a) reduction
b) flattening
c) plannation
d) webbing
7.
Which one of the following is true about the adiantum?
a) gametophyte is large
b) gametophyte is diploid
c) adiantum is a bryophyte
d) gametophyte is small
8.
Which one of the following is not a group of vascular plants?
a) seedless ferns
b) gymnosperms
c) bryophytes
d) angiosperms
9.
Which one of the following is not a land adaptation of ferns?
a) posses true stem
b) gametophyte lack vascular tissue
c) they lack true roots
d) posses photosynthetic leaves
10.
In angiosperms, the reproductive structures are found in the?
a) stem
b) roots
c) flowers
d) leaves
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