BIOLOGY CBQ:2

Identify the example that BEST describes a response to a stimulus.

• A. Absorption of sunlight by chloroplast m

• B. Germination of pollen grains on the stigma

• C. Absorption of nutrients from the soil through root hairs

• D. Transportation of water and nutrients through the xyle

Person X met with an accident and injured a part of the hindbrain. Identify the function that is most likely to be affected due to the injury.

• A. Display of emotions

• B. Walking in a straight line

• C. Regulation of blood pressure

• D. Maintenance of body temperature

A plant 'X' is placed in a closed box and is left unwatered for 15 days. Identify the plant hormone that is MOST LIKELY to be released and the reason for it.

• A. Auxins are released in response to the absence of light.

• B. Cytokinins are released to enhance the growth of the shoot.

• C. Abscisic acid is released in response to the scarcity of water.

• D. Gibberellins are produced in response to the absence of water.

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