Advertisements
Advertisements
Question
Choose the correct answer:
Which of the following gas is used in photosynthesis?
Options
Oxygen
Hydrogen
Nitrogen
Carbon dioxide
Advertisements
Solution
Carbon dioxide
APPEARS IN
RELATED QUESTIONS
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow :
(ii) Name the tropic movement shown by part 1.
Mention any two points in which photosynthesis and respiration in plants are opposite to each other.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
Photosynthesis results in a gain in dry weight.
Fill in the blank:
CO2 enters the leaf through ______.
Are the following statement true or false? Give a reason in support of your answer.
Photosynthesis is considered as a process supporting all life on earth.
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
Why was the plant kept in the dark before the experiment?
Complete the following food chain by writing the names of appropriate organisms in the blank:
Grass → __________ → Lion
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
During photosynthesis, plants exhale ______.
A plant is kept in a dark room for about 24 hours before conducting any experiment on photosynthesis in order to ______.
