Advertisements
Advertisements
Question
Mention two ways in which photosynthesis is useful to life.
Solution
Advantages of photosynthesis:
(a) To produce food for all the organisms on earth.
(b) Release oxygen which is a life supporting gas.
APPEARS IN
RELATED QUESTIONS
Formalin, Iodine, DDT, Lime
the exact location of the Thylakoids
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.
Land plants obtain their carbon dioxide from the atmosphere.
Mention one difference between the following on the basis of what is given in bracket.
Respiration and photosynthesis (gas released)
Mention one difference between the following on the basis of what is given in bracket.
Grass and grasshopper (mode of nutrition)
Are the following statement true or false? Give a reason in support of your answer.
The rate of photosynthesis continues to rise as long as the intensity of light rises.
Complete the following food chains by writing the names of appropriate organisms in the blanks:
Grass → ______ → Snake → ______
Complete the following food chain by writing the names of appropriate organisms in the blank:
Grass → __________ → Lion
Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.
Give technical term:
Organisms which cannot prepare their own food by photosynthesis.
Give technical term:
Which process is the ultimate source of energy for all living organisms?
Give technical term:
Name the tissue that transports manufactured starch from the leaves to all parts of the plant.
Complete the following sentence with appropriate word:
Xanthophyll is ______ coloured pigment.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A variegated leaf (one that has green as well as white patches) will only photosynthesize in the green areas.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
KOH absorbs CO2.
Choose the Correct Answer:
Compensation point means the condition:
The bending of shoot towards light is due to the hormone ______.