List of practice Questions

Phytoplankton are

Photosynthesis is maximum in

Sodium formate on heating gives

Hydrolysis ofphenyl isocyanide forms

Lucas reagent is

When dihydroxy acetone reacts with $HI0_4$, the product is/are

Freon used as refrigerant is

The product of following reaction is $2C{{H}_{3}}MgBr+C{{H}_{2}}O\xrightarrow{{}} $

Osphradium of Pila globosa is

Organ of Ruffini is sensitive to

Opening in the cork tissue which permits exchange of gases between atmosphere and internal tissues is called

One of the most important functions of botanical gardens is that

One end of a thermally insulated rod is kept at a temperature $T_1$ and the other at $T_2$. The rod is composed of two sections of lengths $\ell_{1}$ and $\ell_{2}$ and thermal conductivities $k_1$ and $k_2$ respectively. The temperature at the interface of the two sections is

On hydrolysis $PCl_3$ gives

"Omnis-cellula-e-cellula" was given by

Number of bones in skull is

National botanical garden and national botanical institute are located at

Which of the following disaccharide has different type of linkage?

$ NaH $ contains how many covalent bonds?

Which of the following process will give soap?

In the reaction $CH _{3} CH _{2} COONH _{4} {->[{ P _{2} O _{5}}]} A {->[{ H ^{+} / H _{2} O }]}B A$ and $B$ are

Number of a and $n$ bonds in $C _{6} H _{5} COOH$ are

Mulching helps in

Mottled chlorosis on the leaves occurs due to the deficiency of

The amount of heat released when $20\, mL$ of $0.5 \,M \,NaOH$ is mixed with $100 \,mL$ of $0.1 \,M \,HCl$ is $x \,kJ$. The heat of neutralisation (in $kJ \,mol ^{-1}$ ) is