Download App

STD 12 - 6. evolution — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 6. evolution1 Mark
MCQ
Phenomenon of' industrial melanism' demonstrates.
  • A
    Geographical isolation
  • ✓
    Natural selection
  • C
    Mutation
  • D
    Evolution
✓

Answer

Correct option: B.
Natural selection
b

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 STD 12 - 6. evolution→STD 12 - 6. evolution — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Which disease is found in hen?
→
In a test-cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant- type offspring. This indicates:
→
A nucleoside differs from a nucleotide. It lacks the :
→
Dinosaurs became extinct in
→
Half-life period of C14 is about.
→
Assertion : The sex ratio of Kerala is highest in India.

Reason : In countries like India the population is increasing at a rapid rate.

→
In the human female, menstruation can be deferred by the administration of
→
In delaying pregnancy or spacing among children, the ideal contraceptive is
→
Amniocentesis involves the analysis of :
→
Identify the false statement regarding the techniques of contraception

$I$. There are many side effects of tubectomy and vasectomy

$II$. Purpose of tubectomy is to prevent egg formation

$III$. The most important component of the oral contraceptive pill is progesterone

$IV$. Contraceptive oral pills help in birth control by preventing ovulation

→