Practice authentic previous years' questions for Bihar Special, History, Science, Geography, Polity, and Economy with comprehensive solutions.
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Insectivorous plants grow in soil deficient in:
The stem of a plant helps in distributing food to all parts of the plant. It also helps in:
In blood transfusion, blood must be compatible not only in ABO blood type but also in:
The pituitary gland is located in the:
Which of the following rays/waves are used to monitor the development and growth of a fetus in the womb?
The universal acceptor blood group is:
Pneumonia is an inflammatory infection of the:
A person standing in front of a mirror finds his image larger than himself. This implies that the mirror is:
A fan produces a feeling of comfort during hot weather because:
The twinkling of stars in a clear sky during nighttime can be explained by:
The Hydrogen bomb is based on the principle of:
Food gets cooked faster in a pressure cooker because:
If the door of an operational refrigerator is left open for a few hours in a closed room, then the room temperature will:
A piece of ice is floating in a beaker containing water up to its brim. When the whole ice cube melts, what will happen to the water level?
Which of the following measuring instruments is NOT correctly matched with its physical quantity?
If a feather, a rubber ball and a wooden ball are falling freely simultaneously from the same height in a vacuum, then:
When a soap film on water is seen in the daytime, it shows beautiful colours. This phenomenon is due to:
The mass number of an atomic nucleus is:
Which of the following is the main/primary ingredient of Portland cement?
Isotopes of a chemical element differ in:
The thermodynamic state of temperature and pressure at which the solid, liquid, and gaseous phases of a substance coexist in equilibrium is known as the:
The most important ore of aluminium is:
Which among the following solutions has a pH value greater than 7 at $25^\circ\text{C}$?
Which among the following is an INCORRECT statement?
Select the INCORRECT statement out of the following: