Question 1

A plant's roots growing in the same direction as gravity:

Accepted Answer

positive geotropism

Answer

positive phototropism

Answer

positive hydrotropism

Answer

negative geotropism

Question 2

A plant's stem growing towards a light source:

Accepted Answer

positive phototropism

Answer

negative phototropism

Answer

positive geotropism

Answer

negative hydrotropism

Question 3

A plant's stem growing away from gravity:

Accepted Answer

negative geotropism

Answer

positive phototropism

Answer

positive geotropism

Answer

negative hydrotropism

Question 4

A plant's roots growing towards water or moisture:

Accepted Answer

positive hydrotropism

Answer

negative phototropism

Answer

negative hydrotropism

Answer

positive geotropism

Question 5

A venus flytrap sensing an insect and then closing:

Accepted Answer

thigmatropism

Answer

phototropism

Answer

hydrotropism

Answer

geotropism

Question 6

Which plant hormone is responsible for stimulating growth?

Accepted Answer

auxins

Answer

gibberellins

Answer

ethylene

Answer

cytokinin

Question 7

Plant response  to external stimuli:

Accepted Answer

tropism

Answer

metabolism

Answer

homeostasis

Answer

turgor pressure

Question 8

If a plant moves towards a stimulus:

Accepted Answer

positive tropism

Answer

high turgor pressure

Answer

negative tropism

Answer

low turgor pressure

Question 9

If a plant moves away from a stimulus:

Accepted Answer

negative tropism

Answer

low turgor pressure

Answer

positive tropism

Answer

high turgor pressure

Question 10

Which organelle in a plant cell is most responsible for maintaining turgor pressure?

Accepted Answer

vacuole

Answer

cell membrane

Answer

cytoplasm

Answer

nucleus

Question 11

What causes a plant to wilt

Accepted Answer

low turgor pressure

Answer

too much water

Answer

high turgor pressure

Answer

too much light

Question 12

A rigid, crisp piece of celery that snaps when you break it has

Accepted Answer

high turgor pressure

Answer

low turgor pressure

Answer

low metabolism

Answer

high metabolism

Question 13

What part of a plant takes in water?

Accepted Answer

roots

Answer

leaves

Answer

stem

Answer

blooms & flowers

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