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Growth In Plants

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Total cards: 14•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (14)

#1
Front (Question)

Where does cell division take place in plants?

Back (Answer)

In the root tips and shoot tips.

#2
Front (Question)

How can we estimate plant growth?

Back (Answer)

Measure root length or plant height. Or use a quadrat.

#3
Front (Question)

If you harvest the plant material within the quadrat, heat it on an_____ to drive off the water, then you have a measure of the dry _____ of the sample.

Back (Answer)

Oven Weight

#4
Front (Question)

What happens if you cut off the shoot tip?

Back (Answer)

The shoot stops growing. But if you put the shoot back on it starts to grow again.

#5
Front (Question)

The shoot tip makes a hormone called _____. The hormone stimulates the shoot to grow. The hormone causes the cells to ______.

Back (Answer)

Auxin Elongate

#6
Front (Question)

What are tropisms?

Back (Answer)

Plants respond to things like light, gravity and water. Parts of the plant either grow towards them or away from them.

#7
Front (Question)

How to plants grow towards one side ? (3)

Back (Answer)

• When a shoot only gets light from one side most auxin is found on the shaded side • The auxin makes the shoot grow more on the shaded side • The shoot bends towards the light

#8
Front (Question)

What is a phototropism?

Back (Answer)

When the shoot grows towards the light we say that they are positively phototrophic.

#9
Front (Question)

Why is that when a seed is planted the root always grows done and the shoot always grows up?

Back (Answer)

Shoot grows up away from gravity. Roots grow down towards gravity.

#10
Front (Question)

If a plant is put on its side the auxin builds up on the lower side of shoot and root. Explain this process.(5)

Back (Answer)

• In the shoot the auxin stimulates it to grow more on the lower side • This causes the shoot to bend upwards • In the root the auxin also builds up on the lower side. But auxin slows down growth in a root. • So the upper side of the root grows quicker than the lower side • The toot bends downwards

#11
Front (Question)

What is geotropism?

Back (Answer)

A growth response to gravity.

#12
Front (Question)

Roots are ______ geotropic while shoots are _______ geotropic.

Back (Answer)

Positively Negatively

#13
Front (Question)

What does auxin also prevent?

Back (Answer)

Side shoots from forming.

#14
Front (Question)

What do you think would happen if the tip of the stem was removed?

Back (Answer)

The auxin will no longer be made so the side-shoots start to grow.