Plant Response

Root tips produce this hormone which increases the rate of cell division and can also slow the aging process of flowers and fruits.

• Auxins

• Ethylene

• Gibberellins

• Cytokinins

Which two hormones both increase the rate of cell division?

• Auxins and Ethylene

• Ethylene and Gibberellins

• Gibberellins and Cytokinins

• Cytokinins and Auxins

Tags

NGSS.HS-LS1-4

Stems growing up against gravity is called?

• Negative Geotropism

• Positive Geotropism

• Negative Thigmotropism

• Positive Thigmotropism

Roots growing away from light is called?

• Positive Phototropism

• Negative Phototropism

• Positive Geotropism

• Negative Geotropism

A vine that touches a fence and begins to grow up the fence is an example of?

• Positive Geotropism

• Negative Geotropism

• Positive Thigmotropism

• Negative Thigmotropism

Long-Day and Short-Day plants are examples of flowering responses in response to?

• Photoperiodism

• Tropism

• Geotropism

• Thigmotropism

Phototropism is a a plants response to what type of stimulus?

• Light

• Darkness

• Touch

• Gravity

Thigmotropism is a plants response to what type of stimuli?

• Light

• Darkness

• Touch

• Gravity

Geotropism is a plants response to what type of stimuli?

• Light

• Darkness

• Touch

• Gravity

Any changes in an organism's environment that causes a response is?

• Stimulus

• Tropism

• Photoperiodism

• Plant Hormone