List of practice Questions

Calculate the concentration of $NaOH$ solution in g/ml. which has the same normality as that of a solution of $HCl$ of concentration $0.04 \,g/ml$
Which one of the following pairs is not correctly matched ?
Cancer cells are more easily damaged by radiation than normal cells because they are
To meet the demands of the society, in vitro production of a large number of plantlets in a short duration is practised in floriculture and horticulture industry today. This is called _____
Oral contraceptive pills function by
In $1984$, the Bhopal gas tragedy took place because methyl isocyanate
Biradial symmetry and lack of cnidoblasts are the characteristics of
Benign tertian malaria is caused by
Units of rate constant for first and zero order reactions in terms of molarity $M$ unit are respectively
Which is not fat soluble vitamin?
The solution of $AlCl_3$ in water is acidic due to
Which of the following molecules posesses trigonal bipvramidal geometry.
The atomic number of an element $M$ is $26$. How many electrons are present in the $M$-shell of the element in its state
When the velocity of projection of a body is made $n$ times, its time of flight becomes $n$ times. Range of projectile does not depend on the initial velocity of a body.
Tropylium cation is aromatic in nature.
The only property that determines its aromatic behaviour is its planar structure.
The magnetic field produced by a current carrying solenoid is independent of its length and cross-sectional area. The magnetic field inside the solenoid is uniform.
The colour of the green flower seen through red glass appears to be dark. Red glass transmits only red light.
: The alternating current lags behind the e.m.f. by a phase angle of $\pi / 2$, when AC flows through an inductor. : The inductive reactance increases as the frequency of $A C$ source decreases.
Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. m RNA is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.
Nuclear endosperm is formed by subsequent nuclear division without wall formation. Coconut is an example of such endosperm, where the endosperm remains nuclear throughout the development of the fruit.
Maize is an albuminous seed. Endosperm is completely absorbed by its growing embryo.
Interferons are a type of antibodies produced by body cells infected by bacteria. Interferons stimulate inflammation at the site of injury.
In collateral vascular bundles, phloem is situated towards inner side. In monocot stem, cambium is present.
F particles are present in the inner mitochondrial membrane. An electron gradient formed on the inner mitochondrial membrane, forms ATP
Colloidal solutions are stable but colloidal particles do not settle down. Brownian movement counters the force of gravity actively on colloidal particles.