Give one significant difference between each of the following:My

Subject

Biology

Class

ICSE Class 12

Pre Boards

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Sample Papers

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 Multiple Choice QuestionsFill In the Blanks

1.

Fill in the blanks :

The pigment in red muscle fibre is________

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2.

Fill in the blanks :

Amount of blood pumped by heart per minute is called________

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3.

Fill in the blanks :

Ethylene accelerates_________of leaves, flowers and fruits.

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4.

Fill in the blanks:

The biological name of Tulsi plant is________

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5.

Fill in the blanks :

_________is the causative agent of Cholera.

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 Multiple Choice QuestionsShort Answer Type

6.

(a) Give one significant difference between each of the following:  

Absorption spectrum and Action spectrum

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7.

Give one significant difference between each of the following:   

Heart Wood and Sap Wood

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8.

Give one significant difference between each of the following:  

Tranquillizers and Sedatives

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9.

Give one significant difference between each of the following:

Arteriosclerosis and Atherosclerosis

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10.

Give one significant difference between each of the following:

Myogenic heart and Neurogenic heart


Myogenic heart  Neurogenic heart
In myogenic heart, the cardiac movement is initiated rythmically by cardiac muscle themselves. Found in molluscs and vertebrates.  In neurogenic heart, the cardiac movement is initiated by nerves arising from the brain. The pacemaker is made of nerve ganglion cells found on the dorsal surface of the heart.
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