List of practice Questions

The term 'active immunity' means

The strongest conjugate base is

The protein coat of virus is called

The product(s) obtained via oxymercuration $(HgSO_4+HgSO_4)$ of 1-butyne would be

The propene reacts with $HBr$ to form

The number of electrons for one coulomb of charge is

The meta-directing group in the following is

The heat of formation of $ PC{{l}_{5}}(s) $ will be: Given: $ 2P(s)+3C{{l}_{2}}(g)\xrightarrow{{}}2PC{{l}_{3}}(l); $ $ \Delta H=-151.8\,k\,cal $ $ PC{{l}_{3}}(l)+C{{l}_{2}}(g)\xrightarrow{{}}PC{{l}_{5}}(s)\,; $ $ \Delta H=-\,32.8\,k\,cal $

The first transgenic crop was

The eukaryotic genome differs from the prokaryotic genome because

The correct statement regarding defects in solids is

The correct order of the increasing ionic character is

Sky appears to be blue in clear atmosphere due to light??

Secondary rachis is modified as phyllode in

Sea urchin eggs are termed as:

Relation between critical angle of water and the glass is

Phenomenon of 'Industrial melanism' demonstrates

Percentage of lead in lead pencil is

Oxidation state of $Fe$ in $Fe_3O_4 \, is $

Internal energy does not include

In the reaction: Phenol $ { ->[{NaOH}][{CHCl_3}] }$ $A$ $ { ->[{H^+}][{}] }$ $B, B$ is identified as

In the chlorophyta, the reserve food of protein surrounded by starch, form a compact body termed:

In spermatogenesis, the acrosome of sperm is formed by

In blue-green algae photosynthetic pigments are located in:

If magnesium atom having atomic number $12$ has an isotope with mass number $26$, then the number of protons, neutrons and electrons respectively of the atom are