The age of fossils can be determined by

Origin of fishes occurred in ___________ period

Founder's effect is related to

Which one of the following brings about evidence for convergent evolution?

Genetic drift leads to

(a) In sympatric speciation, both new and ancestral species continue to inhabit the same geographical region.
(b) Phenotypic plasticity in the ability of single genotype to produce more than one phenotype.
(c) Mass extinction of animals happened due to the elevation of CO₂ level.
(d) Mass extinction is often referred to as K-T extinction.

Assertion: Natural selection will help to produce variations
Reason: The variations will help the organism in times of disasters.
Codes:
(a) A is in the and R is the covered the explanation of A
(b) A and R right but R is not the correct separation of A
(c) A is correct R is false
(d) Both A & B are false

(a) Haeckel
(b) Mendel
(c) Wallace
(d) Lamarck

Sudden appearance of vestigial organs in highly enlarged organisms __________

(a) A only
(b)  B and C
(c) C and D
(d) C only

How does Hardy-Weinberg’s expression (p² + 2pq + q² = 1) explain that genetic equilibrium is maintained in a population? List any four factors that can disturb the genetic equilibrium.

What is the view of Neo Lamarckism?

What is paleontology?

Write a brief note on Homo sapiens with respect to evolution.

How does Mutation theory of De Vries differ from Lamarck and Darwin’s view in the origin of new species.

What is divergent evolution?

Organs which are of no use to the organism is called as vestige. Name any four vestigial organs that can be noticed in your body.

How does Neanderthal man differ from the modern man in appearance?

Explain about the objections to Darwinism.