Download App

Human Health and Disease — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
Infectious diseases are caused by _______.
  • A
    Animals
  • B
    Birds
  • C
    Micro-organisms
  • D
    All of the above
✓

Answer

  1. Micro-organisms

Explanation:

Infectious diseases are disorders caused by microorganisms such as bacteria, viruses, fungi or parasites.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Human Health and Disease→Human Health and Disease — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

The distance between the base in DNA is:
→
Apomixis is seen in
→
The coconut water from tender coconut represents
→
Assertion: Plasmids are single-stranded extra chromosomal $DNA$.

Reason: Plasmids are usually present in eukaryotic cells.

→
A venereal or sexually transmitted disease is:
→
Saccharomyces cerevisiae is used primarily for:
    →
    When was the world summit on sustainable development held in Johannesburg, South Africa?
    →
    Match the following sexually transmitted diseases (column $I$) with their causative agent (column $II$) and select the correct option.
    Column $-I$ Column $-II$
    $(A)$ Gonorrhoea $(i)$ HIV
    $(B)$ Syphilis $(ii)$ Neisseria
    $(C)$ Genital warts $(iii)$ Treponema
    $(D)$ AIDS $(iv)$ Human papilloma virus
    →
    In the lac operon of E.coli, the i gene codes for.
    →
    Branching descent and natural selection development are the concepts of which scientist?
    →