List of practice Questions

Which of the following is a correct chronological order for enzyme activity of enzymes taking part in protein digestion

Work done in rotating a bar magnet from 0 to angle $ \text{ }\!\!\theta\!\!\text{ } $ is:

Which one shows vivipary

Which of the following is related to Cockroach

Function of endoplasmic reticulum is

In chloroplast which is most abundant

The term protista was coined by

Which is not found in bacteriophage?

Photoautotrophic bacteria have

When sodium nitrate is heated above $ \text{600}{{\,}^{\text{o}}}\text{C,} $ then:

Which of the following produces $ \text{C}{{\text{l}}_{2}} $ gas?

Lowest melting point chloride is:

$CH_3COCl$ does not react with

Which is extremely stable?

$ \text{C}{{\text{H}}_{\text{3}}}\text{COCl} $ does not react with:

In $ \text{S}{{\text{O}}_{\text{2}}} $ hybridisation is:

An open U-tube contains mercury. When $11.2 \,cm$ of water is poured into one of the arms of the tube, how high does the mercury rise in the other arm form its initial level?

The stability of ferric ion is due to:

Which reagent can convert acetic acid into ethanol ?

When $ C{{H}_{3}}COOH $ reacts with $ C{{H}_{3}}-MgX: $

A cyclic hydrocarbon molecule has all the carbon and hydrogen is a single plane. All the carbon-carbon bonds are of same length, less than $ 1.54\,?? but more than $ 1.34 \,?? $ The C-C bond angle will be:

Acetals are

The escape velocity of a projectile on the earths surface is $ 11.2\,\,km{{s}^{-1}} $ . A body is projected out with thrice this speed. The speed of the body far away from the earth will be:

In the given figure the pulley is assumed massless and frictionless. If the friction force on the object of mass m is $ f $ , then its acceleration in terms of the force $F$ will be equal to:

The magnetic field amplitude of an electromagnetic wave is $ 2\times {{10}^{-7}}T $ , Its electric field amplitude, if the wave is travelling in free space is: