List of practice Questions

There are two liquid drops of different radii. The excess pressure inside over the outside is:
The aerial vertical stout part of the banana is formed the:
Which of the following grouping is correct?
In fern plant, the ejection of spores with force is achieved by the:
Yellow light is used in a single slit diffraction experiment with slit width of 0.6 mm. If yellow light is replaced by X-rays, then the observed pattern will reveal
A body is sliding on a smooth inclined plane requires 4 second to reach the bottom starting from rest at the top. How much rime does it take to cover $ \frac{1}{4} $ the distance starting from rest?
A photocell stops emission if it is maintained at 2 V positive potential. The energy of most energetic photoelectron is:
The seeds of Cycas are:
A bullet of mass 50 g is fired from a 5 kg gun with a velocity of 1 km/sec. The speed of recoil of the gun is:
Two spheres made of same substance have diameters in the ratio 1 : 2. Their thermal capacities are in the ratio of:
The closing and opening of the leaves of Mimosa pudica is due to
A straight wire of diameter 0.5 mm carrying a current of 1 A is replaced by the another wire of 1 mm diameter carrying the same current. The strength of the magnetic field far away is
The current in the given circuit is
Which of the following form of sulphur can be prepared by pouring liquid sulphur into cold water?
The Lassaignes solution of an organic compound with nitrogen; sulphur and chlorine contains:
The boiling points of the following hydrides follow the order of
A vessel contains equal volumes of $ \text{S}{{\text{O}}_{\text{2}}} $ and $ \text{C}{{\text{H}}_{4}}. $ Through a small hole the gases effused into vacuum. After 200 seconds the total volume is reduced to half. What is the ratio of $ \text{S}{{\text{O}}_{\text{2}}} $ and $ \text{C}{{\text{H}}_{\text{4}}} $ remaining in the vessel?
The conjugate acid of $ \text{N}_{3}^{-} $ (Azide ion) is :
The dielectric constants of $ {{\text{H}}_{\text{2}}}\text{O} $ and $ {{\text{D}}_{\text{2}}}\text{O} $ are 82 and 80.5 respectively. Therefore, the solubility of NaCI in $ {{\text{D}}_{\text{2}}}\text{O} $ is ...... than in water:

Energy transfer from one trophic level to another, in a food chain, is

Sympathetic neural system induces
The number of myonemes in muscle tails of epitheliomuscular cells:
The disease caused by a helminth parasite of man that has a gastropoda member as an intermediate host:
Rate of heart beat is determined by
Leech with setae is: