Download App

STD 12 - 7. human health and disease — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 7. human health and disease1 Mark
MCQ
‘Small pox' $(Variola)$ disease is caused by
  • ✓
    Virus
  • B
    Bacterium
  • C
    Protozoan
  • D
    Mosquito
✓

Answer

Correct option: A.
Virus
a
It’s obvious.
 

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 STD 12 - 7. human health and disease→STD 12 - 7. human health and disease — all question types→Biology STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Vaccine is a:
→
In angiosperms, triple fusion is required for the formation of:
→
Which of the following $RNAs$ picks up specific amino acid $(from\ amino\ acid\ pool)$ in the cytoplasm to ribosome during protein synthesis
→
Corpus luteum is the source of secretion of
→
Which one of the following plants shows very close relationships with a species of moth, where none of the two can complete its life cycle without the other?
→
Ecosystem may be defined as $..........?$
→
Which of the following means of reducing birth-rate is not legitimate in India
→
Triple fusion in angiosperms is the fusion of second male gamete with
→
The transfer of genetic material from one bacterium to another through the mediation of a vector like virus is termed as:
→

Match the following columns.

Column $- I$Column $- II$
$(a)$ Contraceptive pilll$(1)$ Ejaculated semen would not enter into the female reproductive tract
$(b)$ Condom$(2)$ Inhibit ovulation and implantation
$(c)$. Sterilsation$(3)$ Increase phagocytosis of sperms
$(d)$ IUDs$(4)$ Blocks gariete transport
→