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Get Answers to all your Questions
- #Medical
- #Jawaharlal Institute of Postgraduate Medical Education Research MBBS
- #Ecology and environment
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- #Biology
Read the following statements about adaptations in desert plants and select the correct ones.
(i)They have a thick cuticle on their leaf surfaces.
(ii)They have stomata present in deep sunken pits.
(iii) They use CAM pathway for photosynthesis.
(iv) They have flattened stems and large size leaves.
(v) Their stomata remain closed during the day.
(i),(ii),and (iii)
(ii),(iii) and (v)
(i),(ii) and (iv)
(i),(ii),(iii) and (v)
Answers (1)
Adaption of species: Example -
Many desert plants have a thick cuticle on their leaf surfaces and have their stomata arranged in deep pits to minimise water loss through transpiration.
- wherein
They also have a special photosynthetic pathway (CAM) that enables their stomata to remain closed during the daytime. Some desert plants like Opuntia, have no leaves – they are reduced to spines–and the photosynthetic function is taken over by the flattened stems.
