An illustration related to human evolution is given. Analyse it and answer the following questions: How does the comparative study of haemoglobin helped to identify the evolutionary relationship between man and chimpanzee ?

Different organisms have been evolved in different times. These have been classified for identification purposes. Chimpanzees and humans both belong to the family Hominoidea. A comparative study of haemoglobin explains how an ancestral single-function molecule gave rise to descending molecules with varied functions. Haemoglobin is the molecule in red blood cells responsible for giving blood its colour and for carrying oxygen throughout the body. Evolutionary evidence suggests that there is no difference in the number of amino acids in the chain of haemoglobin found in the man or chimpanzee. It also suggests the same evolutionary roots of these organisms.

An illustration related to human evolution is given. Analyse it and answer the following questions: Mention the two important characteristics of organisms belong to (2).

Different organisms have been evolved in different times. These have been classified for identification purposes. Hominoidea historically included only humans and their near-extinct relatives, that is, those more closely related to humans than the other great apes, which were in a separate family. (2) represents the family Hominoidea. The two important characteristics of the organisms belonging to this family are They have developed brain. They have freely moveable hands.

Column A Column B A. Walked on limbs i. Ape Ïike B . Homo sapiens ii. Homo erectus C. Java man iii. Hugo de Vries D. Dryopithecus iv. Modern man

A— ii, Homo erectus was the first man on earth who walked on two limbs. They had undergone various morphological changes due to evolution. B — iv Homo sapiens were the modern man. They were one of the several species grouped into the genus Homo, but it is the only one that is not extinct. C — iii Java man is the extinct hominids known from fossil remains found on the island of Java. Hugo de Vries worked in the fields of heredity and its relation to the origin of species, framing the mutation theory. D — i Dryopithecus is the genus of extinct ape that is representative of early members of the lineage that includes humans and other apes. Column A Column B A. Walked on limbs ii. Homo erectus B . Homo sapiens iv. Modern man C. Java man iii. Hugo de Vries D. Dryopithecus i. Ape Ïike

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Homo sapiens or Modern humans show an average cranial capacity of around 1400–1500 cc.

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Important Questions on The Path Traversed by Life

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Science>Biology>The Path Traversed by Life>Evolution of Man

An illustration related to human evolution is given. Analyse it and answer the following questions:

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How does the comparative study of haemoglobin helped to identify the evolutionary relationship between man and chimpanzee ?

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Science>Biology>The Path Traversed by Life>Evolution of Man

An illustration related to human evolution is given. Analyse it and answer the following questions:

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Mention the two important characteristics of organisms belong to (2).

MEDIUM

Science>Biology>The Path Traversed by Life>Evolution of Man

An illustration related to human evolution is given. Analyse it and answer the following questions:

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Write the names of categories (i) and (ii).

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Science>Biology>The Path Traversed by Life>Evolution of Man

Identify the word pair relation and fill the blanks,

Monkeys : Cercopithecoidea : : Chimpanzee : _____

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Science>Biology>The Path Traversed by Life>Evolution of Man

Identify the name of the first ancestral man among the following.

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Science>Biology>The Path Traversed by Life>Evolution of Man

Human evolution took place in

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Science>Biology>The Path Traversed by Life>Evolution of Man

All the human races like Africans, Asians, Europeans, Americans and others might have evolved from a common ancestor. Provide a few evidences in support of this view.

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Science>Biology>The Path Traversed by Life>Evolution of Man

Human beings have evolved from chimpanzees.

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Science>Biology>The Path Traversed by Life>Evolution of Man

In evolutionary terms, we have more in common with

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Science>Biology>The Path Traversed by Life>Evolution of Man

The Neanderthals primarily lived in _____.

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Science>Biology>The Path Traversed by Life>Evolution of Man

One of the earliest defining human traits is _____. (brain size/bipedalism/use of tools)

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Science>Biology>The Path Traversed by Life>Evolution of Man

The Japanese are genetically the closest to:

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Science>Biology>The Path Traversed by Life>Evolution of Man

Which among the following species in the evolution of man showed bipedal locomotion for the first time?

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Science>Biology>The Path Traversed by Life>Evolution of Man

All the human races like Africans, Asians, Europeans, Americans and other might have evolved from one ancestor. Proved a few evidences in support of this view.

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Science>Biology>The Path Traversed by Life>Evolution of Man

There are many races of human being, like Caucasian, Negro or Mongol etc. Is someone better than the other?

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Science>Biology>The Path Traversed by Life>Evolution of Man

Column A	Column B
A. Walked on limbs	i. Ape Ïike
B. Homo sapiens	ii. Homo erectus
C. Java man	iii. Hugo de Vries
D. Dryopithecus	iv. Modern man

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Science>Biology>The Path Traversed by Life>Evolution of Man

Read the clue given below and find the word hidden in the box.

A way of preparing food that Neanderthals used.

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Science>Biology>The Path Traversed by Life>Evolution of Man

Fossils indicate the evolution of

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Science>Biology>The Path Traversed by Life>Evolution of Man

Which animal is considered very close to us in terms of evolution?

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Science>Biology>The Path Traversed by Life>Evolution of Man

Which of the following morphological changes were involved in the evolution of man from apes?
(A) Development of mammary glands
(B) Viviparity
(C) Flattening of face
(D) Formation of bowl-like pelvic girdle

Homo sapiens or Modern humans show an average cranial capacity of around 1400–1500 cc.

Important Questions on The Path Traversed by Life

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