English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9

Name the plant part Which bends in the direction of gravity but away from the light. Which bends towards light but away from the force of gravity.

Advertisements
Advertisements

Question

Name the plant part 

  1. Which bends in the direction of gravity but away from the light.
  2. Which bends towards light but away from the force of gravity.
One Line Answer
Advertisements

Solution

  1. Roots
  2. Stem
shaalaa.com
  Is there an error in this question or solution?
Chapter 19: Plant Physiology - Exercise [Page 231]

APPEARS IN

Samacheer Kalvi Science [English] Class 9 TN Board
Chapter 19 Plant Physiology
Exercise | Q V. 2. | Page 231

RELATED QUESTIONS

Cytoplasm : Cytokinesis :: Nucleus : ______


Briefly explain the following terms: Photophosphorylation


The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both testtubes are kept in sunlight. Answer the questions that follow:

(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in Q2 (a)(i).
(iii) What is the purpose of keeping a snail in test-tube ‘B’?
(iv) Why does test-tube ‘B’ have more bubbles of oxygen?
(v) Given an example of a water plant that can be used in the above process.
(vi) Write the overall chemical equation for the above process.


What is the importance of photosynthesis in the life of the following:

Animals


The figure given below is for performing an experiment on photosynthesis.

Answer the following:
(i) What is the aim of this experiment?
(ii) Describe an experiment to show that light is necessary for photosynthesis.
(iii) What do you conclude from this experiment?
(iv) What is the role of light in photosynthesis?


Complete the following sentence with appropriate word:

Xanthophyll is ______ coloured pigment.


Write the functional activity of the following structure:
Stroma


______ is positively hydrotropic as well as positively geotropic.


Sunflowers open the petals in bright light during the daytime but close the petals in dark at night. This response of sunflowers is called ______.


The bending of shoot towards light is due to the hormone ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×