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NEET Class XII Weekly Mock 10

Attempt now to get your rank among 495 students!

Question 1

In maize, hybrid vigour is exploited by

Question 2

The richest sources of vitamin-B₁₂ are

Question 3

IR–36 was developed through breeding

Question 4

Which one of the following is regarded as a natural genetic engineer

Question 5

The terminator gene technology causes

Question 6

The actinoids exhibits more number of oxidation states than the lanthanoids. This is because

Question 7

The highest oxidation state is exhibited by the transition metal with electronic configuration

Question 8

When SO₂ is passed through acidified K₂Cr₂O₇ solution

Question 9

Which of the following ions is expected to have highest magnetic moment ?

Question 10

Which of the following is correct

Question 11

A beam of light has a small wavelength spread ïï about a central wavelength ï. The beam travels in vaccum until it enters a glass plate at an angle ï relative to the normal to the plate, as shown in figure. The index of refraction of the glass is given by n(ï). The angular spread ïï' of the refracted beam is given by

Question 12

A concave mirror of focal length 10 cm and a convex mirror of focal length 15 cm are placed facing each other 40 cm apart. A point object is placed between the mirrors, on their common axis and 15 cm from the concave mirror. Find the position and nature of the image produced by successive reflections, first at the concave mirror and then at the convex mirror

Question 13

A thin, symmetrical double-convex lens of power P is cut into three parts A, B and C as shown. The power of

Question 14

A given ray of light suffers minimum deviation in an equilateral prism p. Additional prisms Q and R of identical shape and material are now added to P as shown in the figure. The ray will suffer Description: pp1

Question 15

What is the refractive index of a prism whose angle A = 60^o and angle of minimum deviation sm = 30^o?

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Mar 26NEET & AIIMS