Explore topic-wise MCQs in Biology.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Allergic reactions are countered by the administration of _________

A. Cortisol
B. Insulin
C. Antihistamine
D. Oxytocin
Answer» D. Oxytocin
2.

Eczema appears to run in families who have a personal history of allergic reactions.

A. True
B. False
Answer» B. False
3.

Which of the following allergies is characterised by circumscribed raised pinkish blisters?

A. Hay Fever
B. Asthma
C. Eczema
D. Urticaria
Answer» E.
4.

Which of the following diseases is an allergic response?

A. AIDS
B. Hay Fever
C. Yellow Fever
D. Syphilis
Answer» C. Yellow Fever
5.

Which of the following is not a common manifestation of allergy?

A. Watering of Eyes
B. Oedema
C. Sneezing
D. Anaphylaxis
Answer» E.
6.

What is meant by sensitisation of allergen?

A. When an allergen leaves the body
B. The first contact of an allergen
C. The incubation period of an allergen
D. When symptoms of the disease appear
Answer» C. The incubation period of an allergen
7.

Which of the following usually cannot act as an allergen?

A. Pure Water
B. Pollen
C. Dust
D. Shellfish
Answer» B. Pollen
8.

Allergy is an infectious disease which usually spreads by touching infected patients.

A. True
B. False
Answer» C.
9.

The inflammatory response in allergy is due to the release of ________ by mast cells.

A. Antibodies
B. Antigens
C. Mucus
D. Histamine
Answer» E.
10.

Hypersensitivity to an allergen is due to _________

A. Food Habits
B. Life style
C. Improper functioning of the immune system
D. Environment
Answer» D. Environment
11.

Anaphylactic shock is _______

A. Mild local reaction to an allergen
B. Severe local reaction
C. The severe reaction of the whole body
D. The mild reaction of the whole body
Answer» D. The mild reaction of the whole body