मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ९

______ is positively hydrotropic as well as positively geotropic.

Advertisements
Advertisements

प्रश्न

______ is positively hydrotropic as well as positively geotropic.

रिकाम्या जागा भरा
Advertisements

उत्तर

Root is positively hydrotropic as well as positively geotropic.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 19: Plant Physiology - Exercise [पृष्ठ २३१]

APPEARS IN

सामाचीर कलवी Science [English] Class 9 TN Board
पाठ 19 Plant Physiology
Exercise | Q II. 2. | पृष्ठ २३१

संबंधित प्रश्‍न

A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.

(i) What aspect of photosynthesis was being tested?
(ii) Why was the plant placed in the dark before beginning the experiment?
(iii) During the starch test, why was the leaf 

      (1) boiled in water

      (2) boiled in methylated spirit

(iv) Write a balanced chemical equation to represent the process of photosynthesis.
(v) Draw a neat diagram of a chloroplast and label its parts.


The diagram given below represents an experiment to prove the importance of a  factor in photosynthesis. Answer the questions that follow :
 Give a balanced chemical equation to represent the process of photosynthesis. 


The following statement is about photosynthesis in a green plant. Write whether it is True or False.

The raw materials for photosynthesis include water and carbon dioxide.


Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.


Mention any three adaptations found in plants to favour the process of photosynthesis.

Explain the Term Calvin Cycle.


Write the functional activity of the following structure:
Chloroplasts


Choose the Odd One Out


Choose the Correct Answer:
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:


Guard cells of stomata are green but cannot photosynthesize? Give reason.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×