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
Acquired Immunity mediated by which of the following
  • A
    Antibody formation by $T$ - lymphocytes
  • ✓
    Antibody formation by $B$ - lymphocytes
  • C
    $HCl$ by stomach
  • D
    Bite by snake
✓

Answer

Correct option: B.
Antibody formation by $B$ - lymphocytes
b
The individual gains acquired immunity after exposure to an infection or in response to a particular vaccine. As a result, in case of recurrent infection, the $B$ - cells of immune system makes antibodies against the causative agent.

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

Normally the number of chromosomes in the nuclei of gametes, that fuse at fertilization are
→
The germination of pollen grain results in the formation of
→
In India, human population is heavily weighed towards the younger age groups as a result of
→
'Rosie' cow known to produce a type of milk which has all the following characteristics

$I.$ Protein content of $2.4$ $g/L$.

$II.$ Human Alpha lactalbumin

$III.$ More nutritionally balanced for human babies than natural cow milk

Which of the above statements are correct ?

→
If the rate of addition of new members increases with respect to the individual host of the same population, then the graph obtained has:
→
Both deoxyribose and ribose belong to a class of sugars called:
→
In late $1950s, F.C$ Steward experimented on the following plant and confirmed the principal of totipotency:
→
The most popularly known blood grouping is the $ABO$ grouping. It is named $ABO$ and not $ABC$, because ' $O$ ' in it refers to having
→
Hardy$-$Weinberg equilibrium can be disturbed by:
→
The central dogma of molecular biology $($genetic information flow$)$ was modified by the discovery of.
→