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Selina solutions for Concise Biology Class 7 ICSE chapter 7 - Allergy [Latest edition]

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Concise Biology Class 7 ICSE - Shaalaa.com

Chapter 7: Allergy

Review questionsMultiple choice questionsShort answer questionsshort answer questionsLong answer questions

Selina solutions for Concise Biology Class 7 ICSE Chapter 7 Allergy Exercise Review questions

Review questions | Q 1

Define the term “allergy”.

Review questions | Q 2

Name the inflammatory chemical released by the basophils causing skin reaction and construction of the bronchioles.

Review questions | Q 3

How the allergy-causing chemical is naturally removed from the body?

Review questions | Q 4

Match the items given under column I with those given under column II. 

  Column A   Column B 
1 Dust allergy  a.  Nuts 
2 food allergy  b. Pollen 
3 Seasonal allergy  c.  Asthma
Review questions | Q 5

Name any three routes of which allergens normally enter in our body.

Review questions | Q 6.1

What are allergens?

Review questions | Q 6.2

Name any three allergens.

Review questions | Q 7

Name the two tests generally used to diagnose allergy and describe any one of them.

Review questions | Q 8

Which test is mostly favoured for testing allergy, prick test, or blood test? Why? 

Selina solutions for Concise Biology Class 7 ICSE Chapter 7 Allergy Exercise Multiple choice questions

Multiple choice questions | Q 1.1

Put a tick mark (✓) against the correct alternative in the following statement: 

 Hay fever and asthma are

  • Deficiency diseases

  • Genetic diseases

  • Organic diseases

  • Allergy diseases 

Multiple choice questions | Q 1.2

Put a tick mark (✓) against the correct alternative in the following statement: 

Cataract is a disease of:

  • Ears

  • Nose

  • Eyes

  • Throat 

Multiple choice questions | Q 1.3

Put a tick mark (✓) against the correct alternative in the following statement: 

 Infectious diseases can be prevented by:

  • Medicines

  • Proper food

  • Immunisation

  • Exercise 

Multiple choice questions | Q 1.4

Put a tick mark (✓) against the correct alternative in the following statement: 

 Which one of the following is a genetic disease?

  • Scurvy

  • Leukemia

  • Goitre

  • Haemophilia  

Multiple choice questions | Q 1.5

Put a tick mark (✓) against the correct alternative in the following statement: 

Which one of the following is a degenerative disease?

  • Thalassemia

  • Beri-beri

  • Cataract

  • Diabetes

Multiple choice questions | Q 1.6

Put a tick mark (✓) against the correct alternative in the following statement:  

Pellagra is one disease caused by the deficiency of:

  • Vit.B3

  • Vit.B1 

  • Vit. C

  • Vit. D

Multiple choice questions | Q 1.7

Put a tick mark (✓) against the correct alternative in the following statement: 

 Deficiency of Iodine in one’s food can cause : 

  • Beri-beri

  • Goitre

  • Scurvy

  • Pellagra 

Selina solutions for Concise Biology Class 7 ICSE Chapter 7 Allergy Exercise Short answer questions, short answer questions

Short answer questions | Q 1

What is a non-communicable disease?

Short answer questions | Q 2

What is a deficiency disease?

Short answer questions | Q 3

What are communicable diseases? How can they be avoided? 

short answer questions | Q 4

Biting nails should be strictly avoided. Give reason. 

Short answer questions | Q 5

Regular exercise and proper rest is a must. Give reason.

Short answer questions | Q 6

Children eating more of fast food tend to suffer from obesity (overweight). Comment.

Short answer questions | Q 7

Define the term “allergy”.

Short answer questions | Q 8

Name the inflammatory chemical released by the basophils causing skin reaction and construction of the bronchioles.

Short answer questions | Q 9

How the allergy-causing chemical is naturally removed from the body?

Selina solutions for Concise Biology Class 7 ICSE Chapter 7 Allergy Exercise Short answer questions

Short answer questions | Q 1

Name the following: 

A viral disease caused due to unhealthy sexual contact

Short answer questions | Q 2

Name the following: 

A bacterial disease caused due to contaminated water

Short answer questions | Q 3

Name the following: 

A disease caused due to Plasmodium

Short answer questions | Q 4

Name the following:  

A disease caused due to the bite of female Culex mosquito

Short answer questions | Q 5

Name the following: 

A viral disease caused by the bite of a dog

Selina solutions for Concise Biology Class 7 ICSE Chapter 7 Allergy Exercise Short answer questions

Short answer questions | Q 1

Write short (1-2 sentences) note on the following:   

Disease

Short answer questions | Q 2

Write short (1-2 sentences) note on the following: 

Immunisation 

Short answer questions | Q 3

Write short (1-2 sentences) note on the following:  

Allergy

Short answer questions | Q 4

Write short (1-2 sentences) notes on the following: 

AID'S

Selina solutions for Concise Biology Class 7 ICSE Chapter 7 Allergy Exercise Short answer questions

Short answer questions | Q 1

Find the odd one out: 

Typhoid, cholera, jaundice, tuberculosis, tetanus.

Short answer questions | Q 2

Find the odd one out: 

Cold, AIDS, plague, malaria, measles.

Short answer questions | Q 3

Find the odd one out: 

Scurvy, rickets, haemophilia, pellagra, night blindness.

Short answer questions | Q 4

Find the odd one out: 

Proteins, carbohydrates, fats, minerals, cancer 

Selina solutions for Concise Biology Class 7 ICSE Chapter 7 Allergy Exercise Long answer questions

Long answer questions | Q 1.1

What is vaccination? 

Long answer questions | Q 1.2

Mention the four ways in which vaccines are prepared, giving the name of one disease for which each type of vaccine is used. 

Long answer questions | Q 2

Name the tests generally used to diagnose allergy and describe any one of them.

Chapter 7: Allergy

Review questionsMultiple choice questionsShort answer questionsshort answer questionsLong answer questions
Concise Biology Class 7 ICSE - Shaalaa.com

Selina solutions for Concise Biology Class 7 ICSE chapter 7 - Allergy

Selina solutions for Concise Biology Class 7 ICSE chapter 7 (Allergy) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Concise Biology Class 7 ICSE solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Selina textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Concise Biology Class 7 ICSE chapter 7 Allergy are Concept of Allergy, Concept of Allergens - Dust, Pollen Grain, Mites, Strong Sunlight, Particular Food Items, Entry Routes of Allergens: Mouth, Nose, Skin, Symptoms of Allergic Reaction, Types of Allergies: Seasonal and Perennial, Concept for Precautions and Care for Prone to Allergies., Human Disease.

Using Selina Class 7 solutions Allergy exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 7 prefer Selina Textbook Solutions to score more in exam.

Get the free view of chapter 7 Allergy Class 7 extra questions for Concise Biology Class 7 ICSE and can use Shaalaa.com to keep it handy for your exam preparation

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