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NEET Class XII Weekly Mock 9

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Question 1

Assertion : The honey bee queen copulates only once in life.
Reason : It can lay both fertilized and unfertilized eggs.

Question 2

Choose the correct statement from the given options

Question 3

Murrah, Mehsana, Jaffrabadi are breeds of

Question 4

The common name of a marine fish Anguilla, is

Question 5

Common name of ‘Wallago attu’ is

Question 6

The compound which gives off oxygen on moderate heating is

Question 7

NO₂ is not obtained when following is heated

Question 8

When molten sulphur is suddenly cooled by pouring into water, it takes the form of

Question 9

Which of the following is the most suitable drying agent for ammonia gas

Question 10

XeF₆ on hydrolysis gives

Question 11

When a ray of light enters a glass slab from air,

Question 12

An optical system consists of a thin convex lens of focal length 30 cm and a plane mirror 15 cm behind the lens. An object is placed 15 cm in front of the lens. The distance of the final image formed by refraction at the first surface is

Question 13

A convex lens A of focal length 20 cm and a concave lens of focal length 5 cm are kept along the same axis with the distance d between them. If a parallel beam of light falling on A leaves B as a parallel beam, then distance d in cm will be:

Question 14

Two beams of red and violet colours are made to pass separately through a prism (angle of the prism is 60^o). In the position of minimum deviation, the angle of refraction will be

Question 15

The refractive index of glass is 1.520 for red light and 1.525 for blue light. Let D₁ and D₂ be angles of minimum deviation for red and blue light respectively in a prism of this glass. Then,

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Jul 30NEET & AIIMS