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131.

Plants growing on desert and steppe are called:

A.	Oxylophytes	B.	Lithophytes
C.	Eremophytes	D.	Psilophytes

132.

Plants growing on rocks are called on:

A.	Psychrophytes	B.	Lithophytes
C.	Halophytes	D.	Sciophytes

133.

Plants growing on externally cold soil are called:

A.	Halophyte	B.	Oxylophyte
C.	Psychrophyte	D.	Psammophyte

134.

The mangrove plants are generally characterised by:

A.	Mircophylly	B.	Pneumatophores and vivipary
C.	Absence of aerenchyma	D.	Poor water storage

135.

Mark the rooted submerged hydrophyte:

A.	Potamogeton	B.	Najas
C.	Ranunculus	D.	None of these

136.

The mesophytes are characterised by:

A.	Uniform mesophyll	B.	Absence of cuticle
C.	Well developed root-shoot systems	D.	All of these

137.

Plant groups growing in zones where high temperature alternates with low temperature are called:

A.	Megatherms	B.	Hekistotherms
C.	Microtherms	D.	Mesotherms

138.

In which of the following groups, all the plants belong to the same category?

A.	Nymphaea, Poamogeton, Victoria	B.	Utricularia, Typha, Aponogeton
C.	Lemna, Spirodela, Azolla	D.	Ranunculus, Vallisneria, Hydrilla

139.

The leaves are absent in the xerophyte:

A.	Calotropis procera	B.	Zizyphis jujuba
C.	Acacia nilotica	D.	Capparis aphylla

140.

Which of the following feature is found in xerophytes?

A.	Equally developed palisade and spongy parenchyma	B.	Multistratose epidermis
C.	Non-functional stomata	D.	None of these