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JEE Main Class XII Weekly Mock 20
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Question 1
Individual amino acid can be distingused by their–
Question 2
Insulin production and its action in human body are responsible for the level of diabetes. This compound belongs to which of the following categories?
Question 3
At isoelectric point, the amino acid has–
Question 4
β-Pleated structure of proteins is–
Question 5
Enzymes are–
Question 6
The non- Proteinous substances which certain enzymes require for their activity are called–
Question 7
Glucose when heated with CH3OH in presence of dry HCl, α& β–methyl glucoside are formed. This is because it contain–
Question 8
Which pair of polymers have similar properties?
Question 9
Which of the following has an ester linkage?
Question 10
Which of the following is not true for antibiotics ?
Question 11
Let and let a subset of be chosen so that every pair of elements of differ by at least 3. (For example, if , can be , {2} or {1,5} among others). When , let the probability that 1 be and let the probability that 2 be . Then
Question 12
From a group of 10 men and 5 women, four-member committees are to be formed each of which must contain at least one woman. Then the probability for these committees to have more women than men, is:
Question 13
Which of the following is not due to total internal reflection ?
Question 14
A small coin is resting on the bottom of a beaker filled with a liquid. A ray of light from the coin travels up-to the surface of the liquid and moves along its surface (see figure).
How fast is the light travelling in the liquid?
How fast is the light travelling in the liquid?
Question 15
A single slit of width b is illuminated by a coherent monochromatic light of wavelength λ. If the second and fourth minima in the diffraction pattern at a distance 1 m from the slit are at 3 cm and 6 cm respectively from the central maximum, what is the width of the central maximum? (i.e. distance between first minimum on either side of the central maximum)
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Mar 31JEE & BITSAT