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TGS Plant hormones exam questions ZPa

Posljednje ažuriranje over 5 years ago

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Pitanje 1

1.

Choose the correct answer to complete the sentence.
After the 5 days, the root had grown

away from water.

in the direction of the force of gravity.

towards light.

Pitanje 2

2.

Choose the correct answer to complete the sentence.
After the 5 days, the shoot had grown

against the force of gravity.

away from light.

towards water.

Pitanje 3

3.

Complete the diagram below to show the appearance of the student’s plant after 20 days by the window.

Pitanje 4

4.

(ii) Explain the advantage to the plant of growing in the way that you have drawn in part (b)(i).

Pitanje 5

5.

Q2.
Plant hormones are used in horticulture.
(a) Name one plant hormone.

Pitanje 6

6.

(i) Tissue culture is a type of asexual reproduction .
Give the main features of asexual reproduction .

Pitanje 7

7.

(ii) Another method of producing new plants is by taking cuttings.
Suggest oneadvantage of using tissue culture and not using cuttings to produce plants.