F3 SC(BI)

Which of the following are grouped in the central nervous system?

• cranial nerves

• muscle

• spinal nerves

• spinal cord

A stimulus is _________

• process in which organisms grow larger.

• a change in the environment that causes a reaction

• a reaction to a change in surroundings

• the center of a cell

Antara berikut, yang manakah merupakan tindakan terkawal?

Which of the following is a voluntary action?

• Peristalsis

  Peristalsis

• Bercakap

  Talking

• Berpeluh

  Sweating

• Denyutan jantung

  Heart beat

______________is a response that results in plant growth toward or away from a stimulus.

• Stimuli

• gravity

• weather

• tropism

What type of tropism response to water? 

• Hydrotropism
• Gravitropism
• Thigmotropism
• Phototropism

Which of the following parts of plant shows positive geotropism?

• shoot

• stem

• root

• tendrils

A vine plant brushes against a fence and wraps itself around the fence.  To what stimulus is the plant responding? 

• phototropism
• hydrotropism
• thigmotropism
• gravitropism

Plant’s roots grow down, anchoring it into the soil. To what stimulus is the plant responding?

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

A plant’s roots grow thicker near the stream than away from the stream.  To what stimulus is the plant responding? 

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

What is phototropism?

• Response to water
• Response to touch
• Response to gravity
• Response to light