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RRB JE 2019: GS Revision Quiz 10

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Question 1

___________ is a straw coloured, viscous fluid constituting nearly 55 per cent of the blood.

Question 2

Matter waves are

Question 3

Who proposed the ‘Plum Pudding Model’ of the atomic structure?

Question 4

Which of the following are true about the difference between auricles and ventricles?

i. The atria are chamber which pumps blood to body tissues and the ventricles chambers of the heart, which receives the blood from body tissues.
ii. The atria stand for the upper chambers of the heart, while the ventricles are the lower chambers.
iii. The atria are chamber which receives the blood from body tissues and the ventricles are chambers of heat, which pump blood to body tissues.
iv. Atria ventricles receive blood from the left atria and force it into the aorta
While the ventricles act as receptors of deoxygenated blood.

Question 5

What effect on wavelength of light is visible when it pass through rarer to denser medium?

Question 6

Unsaturated _____, the double bond between two carbons prevents rotation of the atoms about the bond, locking them into specific structural formations.

Question 7

The normal range of calcium level in blood in mmol/L is

Question 8

What is frequency affected by?

Question 9

Which of the following bonds are weakest in nature?

Question 10

What is normal vitamin A level in blood in µg/dL?

Question 11

X-rays are ________ waves.

Question 12

A type of substance which accelerates or decelerates the rate of chemical reaction, without being changed during the reaction, is known as ________.

Question 13

Blood doesn't clot while flowing in the blood vessel because of _____ .

Question 14

Sound waves in air are________.

Question 15

The reactions in which oxidation and reduction occur simultaneously are called _______.

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