(English Medium) ICSE Class 10 - CISCE Important Questions for Biology

Differentiate between the following pairs on the basis of what is indicated in the brackets.

Leaf and Liver [form in which glucose is stored]

Give biological explanations for Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered.

 Give suitable biological reasons for the following statement : 
 All life on Earth is supported by Photosynthesis. 

Expand the following biological abbreviations : 
 ATP 

Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 

 Label the parts 1 and 2. 

Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow :

(ii) Name the tropic movement shown by part 1. 

 Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow :
Part 1 is affected by two stimuli. Name them. Which one of the two is stronger? 

 Part 1 is affected by two stimuli. Name them. Which one of the two is stronger? 

Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 

What is Thigmotropism? Give one example.  

Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 

What is meant by ‘Positive’ and ‘Negative’ tropic movements in plants? 

 Mention the exact location of the following : 
Thylakoids 

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. 

The diagram given below represents an experiment to prove the importance of a  factor in photosynthesis. Answer the questions that follow :

 What will you observe in the experimental leaf after the starch test? 

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.

The diagram given below represents an experiment to prove the importance of a  factor in photosynthesis. Answer the questions that follow :
 Give a balanced chemical equation to represent the process of photosynthesis. 

 The diagram given below represents an experiment to prove the importance of a  factor in photosynthesis. Answer the questions that follow : 

 Draw a neat, labelled diagram of an experimental steup to show that oxygen is released during photosynthesis

 State the main functions of the following: 
Medulla Oblongata 

 State the main functions of the following:
Cytokinins

Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.

Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:

Snake, Rabbit, Cabbage, Hawk.

A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.

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