Free Evolution (Weekly Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Which of the following statements are the correct pair of homologous organs?

1. Hands of man and wings of bat.
2. Wings of bat and wings of cockroach.
3. Wings of bird and wings of butterfly.
4. Fins of fish and forelimbs of horse.
5. Forearm of human and forelimbs of horse.

Choose the correct option

(a) I and V

(b) I and II

(c) III and IV

(d) IV and V

Question-2

Which of the following factor does not affect Hardy-Weinberg’s equilibrium?

(a) Natural selection

(b) Gene migration

(c) Genetic drift

(d) Replication of genetic material

Question-3

Identify the correct sequence in which the following substances have appeared during the course of evolution of life on earth

(a) water, amino acids, nucleic acids, enzymes

(b) glucose, amino acids, nucleic acids, proteins

(c) ammonia, amino adds, proteins, nucleic acids

(d) amino acids, ammonia, phosphates, nucleic acids

Question-4

Improved race of pigeons have been developed by

(a) Artificial selection

(b) Natural selection

(c) Protective selection

(d) Environmental selection

Question-5

Variation in gene frequencies within populations can occur by chance rather than by natural selection. This is referred to as

(a) genetic flow

(b) random mating

(c) genetic load

(d) genetic drift

Question-6

Choose the incorrectly matched pair.

(a) Tyrannosaurus rex — Fish like reptile

(b) Reptiles — Thick-shelled eggs which do not dry up

(c) Dinosaurs — May be evolved into birds

(d) Continental drift — South America joined North-America

Question-7

Evolution of life shows that life forms had a trend of moving from

(a) Dry land to wet land

(b) Land to water

(c) Fresh water to sea water

(d) Water to land

Question-8

Match the following columns.

Column I(Scientists)	Column II(Related to)
A. Darwin	1. Natural selection
B. Lamarck	2. Inheritance of acquired character
C. Pasteur	3. Swan-necked experiment
D. de Vries	4. Mutational theory of inheritance

Codes A B C D

(a) 1 3 4 2

(b) 2 3 4 1

(c) 1 2 3 4

(d) 1 2 4 3

Question-9

Assertion (A) Earth is about 15 billion years old.
Reason (R) Life appeared 500 million back after the formation of earth.

(a) If both A and R are true, but R is not the correct explanation of A

(b) If both A and R are true and R is the correct explanation of A

(c) If A is true, but R is false

(d) If A is false, but R is true

Question-10

The animals of cold countries have relatively shorter and poorly developed ears, eyes, hairs and other phenotypic characters. This is known by which law?

(a) Dollo's Law

(b) Cope's Law

(c) Allen's Law

(d) Bergamann's Law.