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Biology 11 Chapter - 10
Form and Function in Plants -10
1.
Which one of the following is used to loss water in hydrophytes?
a) Both of these
b) Large surface area of leaves
c) Large no of stomata
d) None of these
2.
Plants which are living in places with moderate availability of water are called as?
a) Mesophytes
b) Hydrophytes
c) Xerophytes
d) Phytoplanktons
3.
Majority of flowering plants are?
a) Mesophytes
b) Hydrophytes
c) Xerophytes
d) Phytoplanktons
4.
In mesophytes, the structural features that reduce the water loss are called as?
a) Xeromorphic
b) Hydromorphic
c) Mesomorphic
d) Heteromorphic
5.
Which one of the following is the character of mesophytes?
a) All of these
b) Protected stomata
c) Abscision
d) Waxy cuticle
6.
Plants that live in dry places are called as?
a) Xerophytes
b) Mesophytes
c) Hydrophytes
d) Phytoplanktons
7.
Which one of the following is not the character of xerophytes?
a) Large number of opened stomata
b) Few and sunken stomata
c) Succulent leaves
d) Extensive root system
8.
Which one of the following mechanisms is adapted by plants living in saline environments?
a) All of these
b) Salt exclusion
c) Salt excretion
d) Succulence
9.
Which one of the following property of living things is affected by temperature?
a) All of these
b) Cell division
c) Cell metabolism
d) Photosynthesis
10.
The major source of heat for all living organisms is the?
a) Sun
b) Moon
c) Stars
d) Earth
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