Plant Reproduction and Plant Responses

A flower's female reproductive parts are called

• sepals

• anthers

• pistils

• filaments

Dormancy is a period when an organism's growth or activity

• continues

• stops

• speeds up

• starts

In which part of a plant leaf does most photosynthesis occur?

• the cuticle

• the stomata

• the chloroplasts

• the vascular tissue

Which growth response allows plant tendrils to wrap around an object?

• gravitropism

• phototropism

• thigmotropism

• hormonetropism

Which of the following responses is a plant growing toward or leaning toward light?

• thigmotropism
• hydrotropism
• phototropism
• gravitropism

Which of the following is an organism’s reaction to a change in its surroundings?

• response 
• distraction
• stimulus
• development

Tags

NGSS.MS-LS1-8

 A stimulus is ___________

• a change in an organisms surroundings.
•  process in which organisms grow larger.
• a reaction to a change in surroundings
• the result of sexual reproduction.

What is a tropism? 

• A stimulus that affects plants. 
• The way a plant responds to a stimulus. 
• The way a plant grows.
• The way a plant dies. 

If a plant experiences a gravitropism, then it will do what?

• Grow toward or away from light. 
• Grow away from light. 
• Grow toward light.
• Grow in response to gravity. 

Tags

NGSS.MS-LS1-5

Pollen grains are produced by ?

• the anther

• the stigma

• the flowers

• the leaves