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Question

The Class teacher got a few flash cards with some things written on them. She called Reshma and explained the rules.
Reshma had to pick 4 cards and provide a related word or explaination to it.
She picked 4 cards and gave 4 answers.
Each card has 1 point associated with it.
Finally she got 3 points.
Identify, where did she lose the point?

A
Phototropism - Light
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B
Thigmotropism - Gravity
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C
Hydrotropism - Water
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D
Chemotropism - Chemicals
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Solution

The correct option is B Thigmotropism - Gravity
Thigmotropism - The growing or developing movements made through plants in response to contact with a solid object are called thigmotropism. These type of movements are usually seen in tendrils and twiners. This movement is also referred to as Haptotropism.

Gravitropism - It is a type of tropism where plants show some growth in response to gravity. Stems are negative to the gravitropism while roots are positive to the gravitropism. This is also referred to as geotropism.

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