The given picture shows the mangroves of Sunderbans. Which tropic movement(s) is/are observed in these plants?

Positive geotropism

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Negative geotropism

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Negative hydrotropism

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Positive hydrotropism

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Solution

The correct options are
B Negative geotropism
C Negative hydrotropism
In Sunderbans, the roots of mangroves show adaptive features because of water logged conditions. Roots grow upward (negative geotropism) and also show negative hydrotropism.

This happens for proper aeration of roots which otherwise doesn’t happen in waterlogged conditions.

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Similar questions

Observe the picture. It depicts mangroves of Sunderbans and the numerous roots surrounding the main tree. Into which kind of tropic movement can this be categorized?

Q. Match the following.

Area	Forest Type
A. Himalayas	$1$ . Tropical Evergreen
B. Aravallis	$2$ . Temperate Alpine
C. Sunderbans	$3$ . Dry Tropical Deciduous
D. Western Ghats	$4$ . Mangrove

Q. Which is the famous animal in the mangrove forests of Sunderbans?

A

B

Picture A shows a very common condition observed in areas which receive heavy rainfall.
Picture B shows the little plants that grow on those bricks.

Identify the plants and their category.

What are tropic movements ? Briefly explain various types of tropic movements in plants.

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