Plant Hormones

Auxins are responsible for _____________ of a plant

• Colour change

• Watering

• Phototropism

• Growth

Tags

NGSS.MS-LS1-5

The root of a plant growing down. 

• Positive Gravitropism 
• Negative Gravitropism 
• Thigmotropism
• Hydrotropism

Tags

NGSS.MS-LS1-5

what type of tropism is occurring here?

• phototropism

• thigmotropism

• geotropism

• tropictropism

Tags

NGSS.MS-LS1-5

The diagram shows the same plant. Which of the following statements is not true

• Plant b will be shorter than plant A

• plant b produces lateral branches since the apical bud is removed

• plant A shows apical dominance

• plant a produces abscisic acid to prevend side branches from forming

Tags

NGSS.MS-LS1-5

What is the phenomenon that is affecting the growth of the bean shoot

• gravitrophism

• phototropism

• thigmotrophism

• rapid movement

Tags

NGSS.MS-LS1-5

which plant hormone produces opposite effects?

• dormancy and cotyledons

• dormancy and germination

• auxin and cytokins

• auxins and ethylene

Which plant hormone is a gas?

• auxin
• gibberellin
• ethene
• cytokinin

Where is auxin formed

• Tip of stem and root

• Leaves

• Embryo

• All

Apical dominance which suppresses lateral bud development is caused by what hormone?

• auxin

• gibberellin

• ethylene

• imbibition

Which of the following are plant hormones

• Auxin

• Cytokinin

• Gibberellin

• Abcissic acid, ethylene

• All