Which of the following is an example of a viral disease? MCQ with Answer and Explanation

Question
Which of the following is an example of a viral disease?
A. Dengue
B. Leprosy
C. Diphtheria
D. Cholera
Answer: Option A
Solution (By JKSSB Mock Tests)
Dengue fever is caused by the dengue virus (flavivirus) transmitted by Aedes aegypti mosquito. Cholera is bacterial (Vibrio cholerae), diphtheria bacterial (Corynebacterium diphtheriae), leprosy bacterial (Mycobacterium leprae). Viral diseases include influenza, common cold, AIDS, COVID-19, hepatitis, polio, and rabies. Dengue symptoms include high fever, severe headache, joint pain, and rash.
This question belongs to: Science Biology
Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Biology Questions

Question #1
Which of the following nitrogenous bases is found in RNA but not in DNA?
A. Cytosine
B. Adenine
C. Guanine
D. Uracil
Discuss
Get Complete Subject PDF for Science

Correct Answer: Option D

Explanation:
RNA contains uracil instead of thymine found in DNA. In DNA, adenine pairs with thymine; in RNA, adenine pairs with uracil. Adenine, guanine, and cytosine are common to both. Uracil is a pyrimidine base, structurally similar to thymine but lacking a methyl group. This distinction is used in genetic material identification and understanding transcription.
This question belongs to: Science Biology
Question #2
The study of fungi is known as:
A. Bryology
B. Pteridology
C. Mycology
D. Phycology
Discuss
Get Complete Subject PDF for Science

Correct Answer: Option C

Explanation:
Mycology deals with fungi, including yeasts, molds, and mushrooms. Phycology is study of algae, bryology mosses, pteridology ferns.
This question belongs to: Science Biology
Question #3
The theory of natural selection was proposed jointly by Charles Darwin and:
A. Gregor Mendel
B. Thomas Malthus
C. Jean-Baptiste Lamarck
D. Alfred Russel Wallace
Discuss
Get Complete Subject PDF for Science

Correct Answer: Option D

Explanation:
Alfred Russel Wallace independently conceived the theory of natural selection and sent his manuscript to Darwin. In 1858, both presented their papers jointly at the Linnean Society. Darwin's 'On the Origin of Species' (1859) elaborated the theory. Mendel discovered genetics, Lamarck proposed inheritance of acquired traits, Malthus influenced Darwin with his ideas on population growth.
This question belongs to: Science Biology
Explore All Biology MCQs
Today's Top Topics
chemistry 1089 Biology 2054 Physics 1287
Explore Subjects
Accountancy and Statistics 3179 Science 4430 Computer 5279 History GK 3374 Current Affairs 575
Practice Mix
The receipt ______ they gave is fake.
Identify the error: 'He is the most young of the team.'
Which view in PowerPoint displays thumbnails of all slides for easy rearrangement?
A sum of money at compound interest doubles in 5 years. In how many years will it become 4 times?
Which of the following is an example of educational software?