Question

Choose the correct alternate in which the type of tropism exhibited by plants is correctly matched with the stimulus to which they respond.
Tropism Stimulus
1) Hydrotropism i) Earth
2) Geotropism ii) Light
3) Chemotropism iii) Water
4) Phototropism iv) Chemical

• A. 1- ii, 2- i, 3- iv, 4- iii
• B. 1- iii, 2- i, 3- iv, 4- ii
• C. 1- iv, 2- iii, 3- i, 4- ii
• D. 1- iii, 2- i, 3- ii, 4- iv

Answer 1

Answer: (B)

1- iii, 2- i, 3- iv, 4- ii

There are various stimulus to which plants respond and show growth or movement. Hydrotropism is the movement of shoot in response to the water concentration. Geotropism is the movement of shoot in response to the earth's gravity. Chemotropism is the movement of shoot in response to the chemical stimulus. Phototropism is the movement of shoot towards the light.

Thus, the correct answer is option B.