Photosynthesis in Opuntia is done by

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11.Organisms and Populations

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Photosynthesis in Opuntia is done by

Leaves

Stem

Roots

Shoot

Solution

Opuntia's leaves changes into spine to reduce the transpiration during course of evolution and the working of leaves takes over by stem. Opuntia's stem: have green colour and perform photosynthesis

Standard 12

Biology

Choose correct pair :

$(1)$ Salt concentration in inland water – $30-35\%$

$(2)$ Salt concentration in the sea – $5\%$

$(3)$ Salt concentration in hypersalinelagoon – $>100\%$

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Choose incorrect sentence

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Give scientific reasons : Majority of fresh water organisms have contractile vacuoles while marine organisms lack them.

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Plants grow sparsely in arid regions of the world

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Pneumatophores have lenticels for

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Photosynthesis in Opuntia is done by

Solution

Similar Questions

Choose correct pair : $(1)$ Salt concentration in inland water – $30-35\%$ $(2)$ Salt concentration in the sea – $5\%$ $(3)$ Salt concentration in hypersalinelagoon – $>100\%$

Choose incorrect sentence

Give scientific reasons : Majority of fresh water organisms have contractile vacuoles while marine organisms lack them.

Plants grow sparsely in arid regions of the world

Pneumatophores have lenticels for

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Choose correct pair :

$(1)$ Salt concentration in inland water – $30-35\%$

$(2)$ Salt concentration in the sea – $5\%$

$(3)$ Salt concentration in hypersalinelagoon – $>100\%$