List of practice Questions

The correct sequence of stages in the evolution of modern man (Homo sapiens), is

The core of any transformer is laminated so as to

The cornea is a very important component of the human eye. The main function of the cornea is to

The conductivity of $0.20 \,M\, K C l$ solution at $298\, K$ is $0.0248\, S\, cm ^{-1}$. What will be its molar conductivity?

The concentration of $ A{{g}^{+}} $ ion in a given saturated solution of $ AgCl $ at $ 25{}^\circ C $ is $ 1.06\times {{10}^{-5}}g- $ ion per litre. Thus, the solubility product of $ AgCl $ is

The concentration of hydronium ions in a cup of black coffee is $1.3 \times 10^{-5} M$. What will be the $pH$ of the coffee?

The concept of chemical evolution is based on

Which one is the correct representation of $ NH_{4}^{+} $ ion?

The $ P-P-P $ bond angle in white phosphorus is

The fertilizer named Nitrolim is prepared by the use of

Which of the following is present in tenon?

Carborundum is the name of

The chemical which is known as the king of chemicals is

Soda ash is

The capacitance of a metallic sphere is $ 1\,\mu F, $ then its radius is nearly

The book origin of Species was written by

The $ABO$ blood grouping in human beings is an example for: i) Dominance ii) Incomplete dominance iii) Co-dominance iv) Multiple alleles

Term plasmalemma was given by

Sucking roots are present in the plant

Structurally a biodegradable detergent should contain a

Spirulina is a

Solubility product of silver bromide is $5.0 \times 10^{-13}$. The quantity of potassium bromide (molar mass taken as 120 g of $mol^{-1}$) to be added to 1 litre of 0.05 M solution of silver nitrate to start the precipitation of AgBr is

Somatostatin is secreted by

Soil that is best suited for plant growth is

Signet ring stage is found in