Download App

Human Health and Disease — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
Cyanosis refers to:
  • A
    Bluish colouration of the body.
  • B
    Reddish colouration of the body.
  • C
    Pale colouration of the body.
  • D
    Goose flesh of the body.
✓

Answer

  1. Bluish colouration of the body.

Explanation:

Cyanosis is a condition in which there is bluish and purplish colouration of body due to lack of oxygen in the tissues near the skin surface. There is formation of deoxyhaemoglobin due to lack of oxygen in the blood.

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 [1M]" from Human Health and Disease→Human Health and Disease — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Single step large mutation leading to speciation is also called.
→
Which one of the following is common to both prokaryotes and eucaryotes
→
Maximum water vapour which can be held in atmosphere is
→
Multi cellular organisms such as worms cause which disease.
→
Identify the $A$ to $E$ in following diagram
→
In a certain plant, red flowers $(R)$ are dominant to white flowers $(r)$ and tallness $(T)$ is dominant to dwarfness $(t)$. A heterozygous plant $(RrTt)$ is backcrossed with a double recessive plant $(rrtt)$. If the gene loci for colour and size and situated very close together on the same chromosome, the expected percentage of offsprings could be approximately

tall red

tall white

dwarf red

dwarf white

 respectively

→
Which is incorrect
→
Diameter of pollen grain
→
Amniocentesis involves the analysis of :
→
Age of evolution of man is measured by :
→