List of practice Questions

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

Sexual mode of reproduction in Protozoa

Select the incorrect statement.

Sea water is converted into fresh water based on the phenomenon of

Satellite DNA is useful tool in

'Ruminate endosperm' is found in

Root development is promoted by

Rocket propulsion is associated with

Ringworm in humans is caused by

Restriction endonucleases are enzymes which

Renal calculi are formed due to

Pure benzene freezes at $5.3^{\circ} C$. A solution of $0.223 \,g$ of phenylacetic acid $(C_6H_5CH_2COOH)$ in $4.4\, g$ of benzene $(h_f = 5.12\,kg\,mol^{-1})$ freezes at $4.47^{\circ} C$. From this observation, one can conclude that

Protista differs from monera in having

Pressure versus temperature graph of an ideal gas is as shown in figure. Density of the gas at point $A$ is $\rho_{0}$. Density at point $B$ will be

Primary, secondary and tertiary amines can be distinguished by

Polar bodies are formed during

Permanent hardness of water can be removed by adding

Percentage of free space in cubic close packed structure and in body centred packed structure are respectively