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Differentiate Between: Autotrophs and Heterotrophs. - Biology

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Question

Differentiate Between:

Autotrophs and Heterotrophs.

Distinguish Between
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Solution

Autotrophs Heterotrophs
(i) They can produce their own food. They cannot prepare their own food.
(ii) They contain chlorophyll. Do not contain chlorophyll.
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Chapter 5: Photosynthesis - Differentiate

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ICSE Biology [English] Class 10 ICSE
Chapter 5 Photosynthesis
Differentiate | Q 4

RELATED QUESTIONS

A potted plant with variegated leaves was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours and then placed in bright sunlight for a few hours. Observe the diagrams and answer the questions:

  1. What aspect of photosynthesis is being tested in the above diagram?
  2. Represent the process of photosynthesis in the form of a balanced equation.
  3. Why was the plant kept in the dark before beginning the experiment?
  4. What will be the result of the starch test performed on Leaf ‘A’ shown in the diagram? Give an example of a plant with variegated leaves
  5. Draw a neat labelled diagram of a chloroplast.

Fill in the blank:
Quantasome is the basic unit of ______.


Choose the correct answer:
Which one of the following features of plant leaves plays an important part in photosynthesis?


Chlorophyll in a leaf is required for


State one important function of chloroplasts.


The figure below represents an experiment set up to study a physiological process in plants:

(i) Name the physiological process being studied.
(ii) Explain the process.
(iii) What is the aim of the experiment?
(iv) Give a well-balanced equation to represent the process.


 (i) Draw a neat and well-labelled diagram of the Chloroplast.
(ii) List the events taking place in the photo-chemical phase of Photosynthesis.
(iii) If you are planning an experiment to show the effect of light on photosynthesis :
(a) Will you select white light or green light? Justify your answer.
(b) Why would you select a destarched plant?


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

 Photosynthesis occurs only in plants.


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

All the starch produced in a leaf remains stored in it for 2-3 weeks before it is used by other parts of a plant.


Define the following term:

Thylakoids


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