Plant responses

A plant growing in response to the sunlight. 

• Gravitropism 
• Phototropism
• Thigmotropism
• Hydrotropism

Tags

NGSS.MS-LS1-5

Flowers when exposed to 12 or fewer than 12 hours of daylight

• Short day plants

• Long day plants

• Day neutral

• Auxins

Flowers when exposed to less than 10-12 hours of darkness

• Long day plants
• Short day plants 
• Day neutral plants
• Gibberellins

When the plant responds to gravtiy

• Phototropism
• Thigmotropism
• Gravitropism
• Hydrotropism

Substances that act as chemical messengers within plants controlling functions

• Chemicals
• Plant Hormones
• Adrenaline
• Photosynthesis

Which substance coordinates phototropisms and geotropisms in plants?

• Chlorophyll

• Phloem

• Auxin

• Axon

Where in a plant can auxin be made? Choose all correct answers.

• Shoot tip

• Shaded side of shoot

• Root tip

• Upper side of root

What effect does auxin have on root cells?

• Inhibits division

• Inhibits elongation

• Promotes elongation

• Promotes cell division

What effect does auxin have on shoot cells?

• Inhibits elongation

• Inhibits cell division

• Promotes cell division

• Promotes elongation

Where will auxin accumulate in shoot tissue that is exposed to light form one side?

• Equally in all cells

• On the shaded side

• On the side exposed to light

• in the tip