Unscramble the words and match them with their correct definition.

1. gellnarnes ___ a. Also known as pollen allergies
2. stiagne _ b. Antigens that produce allergic reactions
3. Lpaiyasanhx _ c. Allergy caused in the mouth
4. veerf yha _ d. Foreign substances causing allergies
5. lora ygaelrl ___ e. Can trigger a life-threatening reaction

Important Questions on Allergy

EASY

7th ICSE

IMPORTANT

Lakhmir Singh's Science Biology>Chapter 7 - Allergy>WORKSHEET>Q B

Assertion: A pollen enters Rohit's body while he was playing in the park.
Reason: Pollen may enter through nose and mouth and sunlight.

EASY

7th ICSE

IMPORTANT

Lakhmir Singh's Science Biology>Chapter 7 - Allergy>WORKSHEET>Q B

Assertion: Sonia starts suffering from vomiting, pain in abdomen, and weakness when she eats dairy products.
Reason: She is suffering from seasonal allergy

EASY

7th ICSE

IMPORTANT

Lakhmir Singh's Science Biology>Chapter 7 - Allergy>WORKSHEET>Q B

Assertion: Before going outdoors Rahul does not wear full sleeves clothes and does not apply insect repellent.
Reason: He is suffering from insect allergy.

EASY

7th ICSE

IMPORTANT

Lakhmir Singh's Science Biology>Chapter 7 - Allergy>WORKSHEET>Q B

Assertion: You should consult a nutritionist to plan your diet.
Reason: So that you do not get deficient in a particular nutrient.

MEDIUM

7th ICSE

IMPORTANT

Lakhmir Singh's Science Biology>Chapter 7 - Allergy>WORKSHEET>Q C

Complete the following crossword puzzle.
Across:
2. Allergic reactions that can trigger a life-threatening reaction
5. Another name for pollen allergies
6. Particles which react with antigens to produce allergic reactions

Down:
1. These are known as foreign substances
3. Asthma is an example of this allergy type
4. Allergies that may occur anytime of the year

Question Image