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HSC Science (General) इयत्ता १२ वी - Maharashtra State Board Question Bank Solutions for Biology

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Biology
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The connecting link between ‘ape’ and ‘man’ is _______.

(A) Dryopithecus

(B) Australopithecus

(C) Homo erectus

(D) Homo neanderthalensis

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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Longer toes and long prehensile tail indicate which adaptation?

[5] Origin and Evolution of Life
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Give two characteristic features of Ramapithecus.

[5] Origin and Evolution of Life
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Define ‘reproductive isolation’ and explain two types of reproductive isolation.

[5] Origin and Evolution of Life
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Write a note on Cro-magnon man. 

[5] Origin and Evolution of Life
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Long answer question

Answer the question after observing the diagram given below.

What do the synaptic vesicles contain?

[9] Control and Co-ordination
Chapter: [9] Control and Co-ordination
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Long answer question.

Answer the question after observing the diagram given below.

What process is used to release the neurotransmitter?

[9] Control and Co-ordination
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Long answer question

Answer the question after observing the diagram given below.

What should be the reason for the next impulse to be conducted?

[9] Control and Co-ordination
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Long answer question

Answer the question after observing the diagram given below.

Will the impulse be carried by the postsynaptic membrane carried even if one pre-synaptic neuron is there?

[9] Control and Co-ordination
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Long answer question

Answer the question after observing the diagram given below.

Can you name the channel responsible for their transmission?

[9] Control and Co-ordination
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Multiple choice question.

Identify the WRONG statement regarding evolution.

[5] Origin and Evolution of Life
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Very short answer question.

What is the scientific name of the modern man?

[5] Origin and Evolution of Life
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Very short answer question.

Name the ancestor of human which is described as a man with an ape brain.

[5] Origin and Evolution of Life
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How electrical synapse differs from chemical synapse?

[9] Control and Co-ordination
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Name three Mixed cranial nerves along with their numbers.

[9] Control and Co-ordination
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Distinguish between

Cerebrum and Cerebellum.

[9] Control and Co-ordination
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In order for a stimulus to be effective, the stimulus must have a minimum intensity called ______ stimulus.

[9] Control and Co-ordination
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_______ is considered as connecting link between ape and man.

[5] Origin and Evolution of Life
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Humans are most closely related to ______.

[5] Origin and Evolution of Life
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Name the ancestor of human nicknamed as Handyman

[5] Origin and Evolution of Life
Chapter: [5] Origin and Evolution of Life
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