ICSE ICSE Class 8 - CISCE Question Bank Solutions for Biology

 Find the odd one out: 

Typhoid, cholera, jaundice, tuberculosis, tetanus. 

Find the odd one out: 

Scurvy, rickets, haemophilia, pellagra, night blindness.   

Fill in the blank in the following table: 

Given a crossword puzzle. Read the clues across and clues downward, and fill up the blank squares. Check up your performance with the correct solution given at the end. 

Clues across

1. Category of the pathogen that causes diseases, like common cold and mumps.
2. These may readily grow in your hair if you do not wash it regularly.
3. This is the vaccine for preventing tuberculosis.
4. Cover this part of your body by a handkerchief while sneezing to prevent droplet infection to others.
5. The disease pertussis is popularly known as whooping
6. One of the most common insects which visit our exposed foods and contaminates them.
7. A disease that weakens the body’s defense system 

8. Germ or germ – substance introduced into the body to prevent the occurrence of an infectious disease.

9. A disease in which the eyes, the skin, and the urine turn yellow.

10. An organ usually affected by tuberculosis.

11.A disease caused by the bite of an infected dog, and which affects the central nervous system.

Find the odd one out, giving reason:
Pneumonia, cholera, leprosy, measles Measles:  

Define the following:  

Malnutrition

Name the following: 

Two diseases each caused by bacteria, protozoa and virus.  

Name the following: 

Organism which causes malaria.  

Name the following: 

Cause of obesity. 

Answer the following questions: 

Differentiate between undernutrition and malnutrition. 

Multiple choice questions. Tick (✓) the correct choice: 

 Kwashiorkor is a disease caused by

1. microbes
2. deficiency of nutrients
3. environment
4. defects in body organs 

Multiple choice questions. Tick (✓) the correct choice: 

Deficiency of vitamin C causes 

1. scurvy
2. beri-beri
3. rickets
4. skin diseases

 Multiple choice questions. Tick (✓) the correct choice:  

Deficiency of vitamin K can cause  

1. haermorrhage 
2. bleeding gums
3. rickets
4. skin diseases

Fill in the blanks: 

Protruding belly is a symptom noticed in ......................

 Fill in the blanks: 

The disease kwashiorkor results from the deficiency of.............. 

Fill in the blanks:  

The mineral ..............is responsible for tooth decay.

Find the odd one out, giving reasons:  

Kwashiorkor, scurvy, beri-beri, night blindness. 

Find the odd one out, giving reasons:  

Goitre, tooth decay, anaemia, rickets.

 Answer the following question:  

What is meant by PEM? Name the diseases caused by PEM.