🧬
Class 12 Biology — Chapter 6: Evolution
90 practice questions · 30 Easy · 30 Medium · 30 Hard
Free NCERT-aligned multiple-choice practice for Class 12 Biology, Chapter 6 (Evolution). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 90.
Sample questions
Q1Easy
Theory of natural selection by:
A.Charles Darwin✓ correct
B.Lamarck
C.Mendel
D.Pasteur
Why
Origin of Species, 1859.
Q2Medium
Homologous organs (e.g., human arm, whale flipper, bat wing):
A.Indicate common ancestry✓ correct
B.Same function only
C.Random similarity
D.No relation
Why
Divergent evolution.
Q3Hard
Hardy-Weinberg principle holds when:
A.No mutation, migration, selection, drift; random mating✓ correct
B.Strong selection
C.Bottleneck
D.Inbreeding
Why
Allele frequencies remain constant.
Practise all 90 questions free
Timed quizzes, instant scoring, streaks and XP. Sign in with Google — no card needed.
Start this chapter free →