Advertisements
Advertisements
Question
Advertisements
Solution
Difference between autotroph and heterotroph:
Autotroph Heterotroph
| Autotroph | Heterotroph |
| (i) They can prepare their own food. | (i) They cannot prepare their own food. |
| (ii) They contain chlorophyll. | (ii) They do not contain chlorophyll. |
| (iii) Examole - Green olants. | (iii) Examole - Animals. |
APPEARS IN
RELATED QUESTIONS
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Name the factor studied in this experiment.
Define the following:
Plant pigments
The site of light reaction in the cells of a leaf is ______.
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 chain by writing the names of appropriate organisms in the blank:
Grass → __________ → Lion
Explain the Term ATP.
Choose the correct option.
In maize and wheat, the first stable products formed in bundle sheath cells respectively are ________.
What are primary producers?
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.

- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
