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Test: Origin & Evolution - 1


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25 Questions MCQ Test General Science(Prelims) by IRS Divey Sethi | Test: Origin & Evolution - 1

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Test: Origin & Evolution - 1 - Question 1

Who introduced the idea of a spontaneous generation ?

Detailed Solution for Test: Origin & Evolution - 1 - Question 1

The doctrine of spontaneous generation was coherently synthesized by Aristotle, who compiled and expanded the work of earlier natural philosophers and the various ancient explanations for the appearance of organisms, and was taken as scientific fact for two millennia.

Test: Origin & Evolution - 1 - Question 2

Spontaneous generation of bacteria from decomposing broth was disproved in 1860 by :

Detailed Solution for Test: Origin & Evolution - 1 - Question 2

By 1860, the debate had become so heated that the Paris Academy of Science offered a prize for any experiments that would help resolve this conflict. Louis Pasteur, has published the results of an experiment he did to disproved spontaneous generation in these microscopic organisms.

Test: Origin & Evolution - 1 - Question 3

The principle of sterilization is based upon experiments carried by :

Detailed Solution for Test: Origin & Evolution - 1 - Question 3

Sterilization is the killing or removal of all microorganisms, including bacterial spores, which are highly resistant. It was carried by L. Pasteur.

Test: Origin & Evolution - 1 - Question 4

Life was created by some supernatural power. This theory is :

Detailed Solution for Test: Origin & Evolution - 1 - Question 4

Theory of special creation of origin of life:- 
This theory in biology was proposed by Spanish monk father Sudrez. According to this oldest theory, all the different forms of life that occur today on planet earth, have been created God, the Almighty or some supernatural power.

Test: Origin & Evolution - 1 - Question 5

About how long ago was the earth formed ?

Detailed Solution for Test: Origin & Evolution - 1 - Question 5

Earth formed around 4.6 billion years ago, approximately one - third the age of the universe, by accretion from the solar nebula.

Test: Origin & Evolution - 1 - Question 6

Modern theory of origin of life was propounded by :

Detailed Solution for Test: Origin & Evolution - 1 - Question 6

Modern Theory or Oparin-Haldane Theory of Origin of Life:

According to this theory life originated on early earth through physico-chemical pro­cesses of atoms combining to form molecules, molecules in turn reacting to produce inor­ganic and organic compounds. Organic compounds interacted to produce all types of macromolecules which organised to form the first living system or cells.

Test: Origin & Evolution - 1 - Question 7

Which of the following gas was absent on primitive earth :

Detailed Solution for Test: Origin & Evolution - 1 - Question 7

According to Oparin, the atmosphere of primitive earth was reducing because the hydrogen atoms were most numerous and most reactive. Large quantities of hydrogen gas, nitrogen gas, carbon dioxide, methane, water vapour, ammonia were present but free oxygen was not present in significant amount. Hence, oxygen was absent during the formation of earth.

Test: Origin & Evolution - 1 - Question 8

Which English scientist worked on origin of life and finally settled in India :

Detailed Solution for Test: Origin & Evolution - 1 - Question 8

J. B. S  Haldane worked on the origin of life and finally settled in India. J. B. S Haldane was a British scientist, well known for his works in physiology, genetics and mathematics.

Test: Origin & Evolution - 1 - Question 9

Nucleoprotoeins most probably gave the first sign of :

Detailed Solution for Test: Origin & Evolution - 1 - Question 9

The giant nucleoprotein molecules were formed by the union of nucleic acid and protein molecules. These nucleoprotein particles were described as free living genes. Nucleoproteins gave most probably the first sign of life.

Test: Origin & Evolution - 1 - Question 10

Life originated :

Test: Origin & Evolution - 1 - Question 11

There is no life in moon due to the absence of :

Detailed Solution for Test: Origin & Evolution - 1 - Question 11

Moon is a natural satellite of earth but life on the moon is not possible as on the earth because of many reasons. Firstly, there is no water on the moon, which is the first and foremost requirement for the life. Life first started on the earth because of water and if no water we can imagine no life.

Test: Origin & Evolution - 1 - Question 12

Homologous organ are :

Detailed Solution for Test: Origin & Evolution - 1 - Question 12

Homology refers to similar structures with dissimilar functions, but with similar origin and architecture.
Example of homologous organs are :
Forelimbs.
Brains.
Heart.

Test: Origin & Evolution - 1 - Question 13

Which of the following are homologous structures :

Detailed Solution for Test: Origin & Evolution - 1 - Question 13

 Nails of humans and claws of cat: These are homologous organs as they have similar structure but perform different function.

Test: Origin & Evolution - 1 - Question 14

Evolution of diversified species due to environmental changes is called :

Detailed Solution for Test: Origin & Evolution - 1 - Question 14

Divergent evolution is the process whereby groups from the same common ancestor evolve and accumulate differences, resulting in the formation of new species.

Divergent evolution may occur as a response to changes in abiotic factors, such as a change in environmental conditions, or when a new niche becomes available. Alternatively, divergent evolution may take place in response to changes in biotic factors, such as increased or decreased pressure from competition or predation.

Test: Origin & Evolution - 1 - Question 15

Wings of birds and butterflies are :

Detailed Solution for Test: Origin & Evolution - 1 - Question 15

Wings of butterfly and wings of a bird , they both are analogus organs . Wings of butterfly does not have hollow bones wheres birds have hollow bones attached to its feathers and they are used from protecting it from cold also. 

Test: Origin & Evolution - 1 - Question 16

Which of the following is a vestigial structure in man ?

Test: Origin & Evolution - 1 - Question 17

Which of the following is not a vestigial organ in man :

Test: Origin & Evolution - 1 - Question 18

Peripatus is a connecting link between :

Detailed Solution for Test: Origin & Evolution - 1 - Question 18

The living animals which possess some characters of two different groups of animals are called connecting link. Peripatus is a primitive arthropod having joined paired legs, compound eyes and tracheas like other arthropods but also displays certain annelidan charachtersticks, such as worm - like segmented body. 

Test: Origin & Evolution - 1 - Question 19

A connecting link between Protozoa and Porifera is :

Detailed Solution for Test: Origin & Evolution - 1 - Question 19

Proterospongia is considered as a connecting link between protozoa and the porifera because it has both protozoan and poriferan characters like it is a colonial protozoan and its cells are similar to collar cells of sponges.

Test: Origin & Evolution - 1 - Question 20

Which one represents a connecting link as an evidence from comparative anatomy in favour of organic evolution ?

Test: Origin & Evolution - 1 - Question 21

Fossil remains of Archaeopteryx indicate that :

Test: Origin & Evolution - 1 - Question 22

"Ontogeny repeats phylogeny" was coined by :

Detailed Solution for Test: Origin & Evolution - 1 - Question 22

"Ontogeny recapitulates phylogeny" is a catchy phrase coined by Ernst Haeckel, a 19th century German biologist and philosopher to mean that the development of an organism (ontogeny) expresses all the intermediate forms of its ancestors throughout evolution (phylogeny). His theory was later proved wrong, but the catch phrase remains.

Test: Origin & Evolution - 1 - Question 23

Study of human evolution is under :

Detailed Solution for Test: Origin & Evolution - 1 - Question 23

The study of human evolution involves several scientific disciplines, including physical anthropology, primatology, archaeology, paleontology, neurobiology, ethology, linguistics, evolutionarypsychology, embryology and genetics.

Test: Origin & Evolution - 1 - Question 24

Evolution of man is believed to have taken place in :

Detailed Solution for Test: Origin & Evolution - 1 - Question 24

Humans first evolved in Africa, and much of human evolution occurred on that continent. The fossils of early humans who lived between 6 and 2 million years ago come entirely from Africa.

Test: Origin & Evolution - 1 - Question 25

The main advantage of bipedal locomotion is :

Detailed Solution for Test: Origin & Evolution - 1 - Question 25

The clear advantage of bipedalism was the possibility for ancient hominin species to use their hands. With the evolution of bipedalism, this special advantage was evolved only by the primates. This advantage offered a benefit that overcame the fatal disadvantage of slow speed. 

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