Advertisements
Advertisements
Question
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
Explain the process of Photosynthesis.
Advertisements
Solution
Photosynthesis is a biochemical process by which green plants synthesises simple sugar in the presence of sunlight and chlorophyll using CO2 from the atmosphere and water from the soil.
APPEARS IN
RELATED QUESTIONS
Match the terms of column I with those in column II:
| Column I | Column II |
| (i) Stomata closed | (a) decomposers |
| (ii) Autotrophs | (b) light reaction |
| (iii) By-products of photosynthesis | (c) animals |
| (iv) Photolysis | (d) during night |
| (v) Bacteria and fungi | (e) green plants |
| ( f) oxygen |
Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
Photosynthesis involves light reaction and dark reaction. During light reaction, the chlorophyll present in the (1) ______ gets activated by absorbing light energy. This energy splits (2) ______ molecules to (3) ______ and oxygen and releases two electrons. This process is called (4) ______. The (5) ______ ions are picked up by NADP to form (6) ______. The ADP is converted to (7) ______. This process is called (8) ______. During the dark phase, the compound produced at the end of the light reaction reacts with carbon dioxide to form (9) ______. This product is converted to starch. The process is called (10) ______.
Name the following:
The organisms that can be called "natural purifiers" of the air.
Are the following statement true or false? Give a reason in support of your answer.
If you immerse a leaf intact on the plant in ice cold water, it will continue to photosynthesise in bright sunshine.
How do non-green plants such as fungi and bacteria obtain their nourishment?
Explain the term Photosynthetic Membrane.
Give technical term:
The part of the chloroplast where the dark reaction of photosynthesis takes place.
Complete the following sentence with appropriate word:
A plant that does not perform photosynthesis is _______.
An organism A which cannot move from one place to another makes a simple food B from the substances C and D available in the environment. This food is made in the presence of green-colored substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. Does this food give a blue-black color with iodine solution?
a. What is
- organism A
- food B?
- food H?
b. What are C and D?
c. Name green-colored substance E and organ F.
d. What is the process G?
