NEET Questions - Zoology

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Physics Chemistry Botany Zoology

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Alternative forms of a gene are called

Loci
Multiples
Chromosomes
Alleles

Heredity or inheritance of specific traits became clearer due to

Lamarck's theory
Mendel worked on garden peas
Darwinism
Neo-Darwinism

Which of the following sentences is true about the evolutionary process?

There is no real 'progress' in the idea of evolution.
humans are unique, a totally new type of organism.
progress is nature's religion.
Evolution of life forms was rapid in the beginning ages.

Microevolution takes place due to

somatogenic variation
blastogenic variation
continuous variation
Successive variation

The difference between Homo sapiens and the Homo erectus was

Homo sapiens originated in Africa while Homo erectus was in Asia
Homo erectus were much smaller in size than homo sapiens.
Homo erectus stayed in Africa while Homo sapiens did not.
The size of their brain of Homo eructus was smaller to homo sapiens

By studying analogous structures we look for

similarities in appearance and function but different in structure
similarities in appearance but differences in functions.
Similarities in organ structure.
Similarities in cell make up.

__________- was a predecessor of Darwin and he developed the theory of acquired characteristics.

Weismann
Mendel
Malthus
Lamarck

Which of the following are not the examples of analogous structures?

Wings of bat and butterfly.
Wings of bat and forelimb of cattle.
Thorn and spine.
Tendril of Lathyrus and tendril of Gloriossa.

The scientist who cut off the tails of mice of successive generations to prove Lamarck's theory was wrong was

Weismann
Haeckel
Darwin
Wallace

Human being belongs to the species of

Homo erectus
Homo habillis
Homo sapiens
Hominidae

Speciation is the evolutionary process by which

a new gene pool is formed
evolutionary paths of species converge
hybrid species formed
Shows up differences in physical traits

Evidences of evolutionary relationships is found in

Atmosphere
Fossils
Ocean beds
Rocks

Which of the following is not a source of variation in a population?

Inherited genetic differences.
Differences due to health.
Differences due to age.
None of the above.

Which of the following examples of variation is not important from an evolutionary standpoint?

Genetic differences between individual organisms comprising the population.
Inherited differences between individual organisms comprising the population.
Differences due to diet, health, age or accident that have no affect on an individual's ability to survive and reproduce.
1 & 2

Why is genetic variation important from an evolutionary standpoint?

If all organisms were the same, the entire population would be vulnerable to particular pathogens, like viruses.
All evolutionary adaptations (e.g. the origin of forelimbs) are the result of the gradual build up of genetic differences between organisms over geologic time
Evolution (at the population level) refers to changes in the frequencies of genes in the population over time.
All of the above.

NEET Zoology Questions: Evolution