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SAI International School
Subject- Biology, Class-VIII
Topic- Microorganisms: Friend and Foe
Subtopic- Disease-causing Microorganisms in Animals
and Plants, Food Poisoning

Module- 15
Home Assignment

OBJECTIVE (MCQ)

Q1. Which of the following causes anthrax?
(a) Female Aedes
(b)Bacillus anthracis
(c)Cockroach
(d)House fly

Q2. Identify the carrier which causes mouth disease in cattle?
(a) Female Aedes
(b)Female Anopheles
(c)Virus
(d)Bacteria

Q3. State the incorrect statement.
(a) Anthrax is a bacterial disease that affects humans and cattle.
(b) Rust of wheat is a fungal disease that spreads by air.
(c) Citrus canker is a viral disease that affects citrus fruits.
(d) Yellow vein mosaic is a viral disease that affects bhindi.

Q4. Rustin wheat is a plant disease caused by _________.
(a) Bacteria
(b)Virus
(c)Fungi
(d)Algae

Q5. Which of the following causes yellow vein mosaic in bhindi?
(a) Bacteria
(b)Virus
(c)Fungi
(d)Algae