English

The chemical substance used to test the presence of starch in the cell of a leaf is ______.

Advertisements
Advertisements

Question

The chemical substance used to test the presence of starch in the cell of a leaf is ______.

Options

  • CaCl2

  • iodine solution

  • Benedict solution

MCQ
Fill in the Blanks
Advertisements

Solution

The chemical substance used to test the presence of starch in the cell of a leaf is iodine solution.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Photosynthesis - Review Questions [Page 80]

APPEARS IN

Selina Concise Biology [English] Class 10 ICSE
Chapter 6 Photosynthesis
Review Questions | Q C. 2. (b) | Page 80

RELATED QUESTIONS

Name the following:

The main mineral constituent of chlorophyll.


Given alongside is the diagram of an experimental set-up:

Will it work satisfactorily? Given reason.


A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.

During the starch test, why was the leaf

(1) boiled in water

(2) boiled in methylated spirit


A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.

Draw a neat diagram of a chloroplast and label its parts. 


The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both test-tubes are kept in sunlight. Answer the questions that follow: 

(a) Name the physiological process that releases the bubbles of oxygen.

(b) Explain the physiological process as mentioned above in (a).

(c) What is the purpose of keeping a snail in test-tube B?

(d) Why does test-tube B have more bubbles of oxygen?

(e) Give an example of a water plant that can be used in the above experiment.

(f) Write the overall chemical equation for the above process.


Differentiate Between:

Light reaction and Dark reaction.


Name the following:

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


Name the following:

Light in which the maximum rate of photosynthesis takes place.


Complete the following sentence with appropriate word:

A light-induced reaction which leads to the splitting of water is _____ of water.


Which of the following is used to remove chlorophyll from the leaves?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×