Question

(OR)
Answer the questions that follow on the basis of your understanding of the following paragraph and
the related studied concepts: Fill a conical flask with water. Cover the neck of the flask with a wire
mesh. keep two or three freshly germinated bean seeds on the wire mesh. Take a cardboard box which
is open from one side. Keep the flask a wire mesh. Kin the box in such a manner that the open side of the
box faces light coming from a window as shown in the glven figure. After two or three days, you will
notice that the shoots bend towards light and roots away from light. Now turn the flask so that the
shoots are away from light and the roots towards the light. Leave It undisturbed in this condition for a
few days. Plants show tropism in response to other stimull as well. The roots of a plant always grow
Bheeram Sreedhar Reddy Nagar, NH - 40 : Kadapa - Kurnool Highway, Khajipet (M).
Mobile No : 7036666777, E-mail : [email protected]
downwards while the shoots usually grow upwards and away from the earth. This upward and downward
growth of shoots and mots resnectively. In response to the pull of earth or gravity, is obviously,
geotropism
Answer the following questions:
1. What has represented by the given activities?
II. Do old parts of the shoot and root change direction? Is there any difference in the direction of the
new growth?
Ill. What can we conclude from this activity?
iv. Movements in organs of plants due to gravity are known as
28. Brass is preferred over stainless steel for door settings. Give reason
[3]​

Answer 1

Answer:

Yes, shoot always grows towards light as it positively phototropic and root goes in opposite direction of light.