List of practice Questions

If |A×B| = 3 A.B then the value of |A + B| is
Reaction of $HBr$ with propene in the presence of peroxide gives
Lack of independent assortment of two genes-$A$ and $B$ in fruit fly-Drosophila is due to
Restriction endonucleases
DNA fingerprinting refer to
A coil of 40 henry inductance is connected in series with a resistance of 8 ohms and the combination is joined to the terminals of a 2-volt battery. The time constant of the circuit is
One mole of an ideal gas at an initial temperature of T K does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is 35 , the final temperature of gas will be
In which one of the following enzymes, is copper necessarily associated as an activator
Which of the following statements is not true for retroviruses
Mast cells of connective tissue contain

When CO2 concentration in blood increases, breathing becomes

Diversification in plant life appeared
Variable oxidation state and degenerated orbital shows:
Which one of the following is the correct matching of a vitamin, its nature and its deficiency disease
A terrestrial animal must be able to
An ovule which becomes curved so that the nucellus and embryo sac lie at right angles to the funicle is
In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order
Which of the following propagates through leaf-tip?
Mycology is related with :
Edible part of mango is 
Angiosperms have dominated the land flora primarily because of their
In C3 plants, the first stable product of photosynthesis during the dark reaction is
In chloroplasts, chlorophyll is present in the
Which one of the following is a living fossil?
Plants adapted to low light intensity have