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What Are the Basic Requirements of Photosynthesis?

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Question

Where are the chlorophyll pigments present in a cell?

One Line Answer
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Solution

In the cell organelle called plastids (or chloroplasts).

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Chapter 5: Photosynthesis - Short Questions

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ICSE Biology [English] Class 10 ICSE
Chapter 5 Photosynthesis
Short Questions | Q 2.1

RELATED QUESTIONS

Name only two plants you are familiar with, which have no chlorophyll.

Name the following:

The main mineral constituent of chlorophyll.


Mention one difference between the following on the basis of what is given in bracket.

Chlorophyll and chloroplast (part of plant cell)


Complete the following by filling the blanks 1 to 5 with appropriate words/terms/phrases:

To test the leaf for starch, the leaf is boiled in water to ______ (1). It is next boiled in methylated spirit to ______ (2). The leaf is placed in warm water to soften it. It is then placed in a dish and ______ (3) solution is added. The region which contains starch, turns ______ (4) and the region which does not contain starch, turns ______ (5)


Given below is a schematic diagram to illustrate some aspects of photosynthesis.

  1. Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items.
  2. What phenomenon do the thick arrows A and B indicate?


Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.

  1. Name the phenomenon represented.
  2. Name any one organism that could be shown at No. 5.
  3. Name the biological process which was the starting point of the whole chain.
  4. Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.

Name the following:

The site of light reaction in the cell of a leaf.


Give technical term:

Name only one plant, you are familiar with which has no chlorophyll.


Given below is the figure of an experimental set-up, showing a physiological act of the plants. Study and answer the following questions:

  1. What is the objective of this experiment?
  2. Name and define the process shown here.
  3. Why do we destarch the leaves before performing the experiment?
  4. How do we destarch the leaves?
  5. What will be the observation when we pour iodine solution over the bleached experimental leaf?
  6. Write a well-balanced equation for the above process.

Give reasons/explain:

During the starch test, the leaf is boiled in methylated spirit.


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