List of practice Questions

The substrate for photorespiration is

'Origin of Species' was written by

The causal organism for African sleeping sickness is

250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3m, the efficiency of pulley system will be : -

Which of the following electromagnetic radiations have the longest wavelength ?

A black body has maximum wavelength 1 m at 2000 K. Its corresponding wavelength at 3000 K will be

Soil conservation is

Theory of inheritance of acquired characters was given by

Polyribosomes are aggregation of

\(K_1\) and \(K_2\) are equilibrium constant for reactions (i) and (ii) 
(i) \(N_2 ( g ) + O_2 ( g ) \leftrightharpoons 2 NO ( g)\)
(ii) \(NO ( g ) \leftrightharpoons \frac{1}{2} N_2 ( g ) + \frac{ 1}{ 2} O_2 ( g )\).Then,

A batsman hits back a ball straight in the direction of the bowler without changing its initial speed of $12 ms^{-1}$. If the mass of the ball is 0.15 kg, the imparted to the ball is

Histamine secreting cells are found in

Arteries carry oxygenated blood except

The average binding energy of a nucleon inside an atomic nucleus is about

The age of most ancient geological formation is estimated by

Out of diffuse porous and ring porous woods, which is correct?

The de Broglie wave corresponding to a particle of mass m and velocity v has a wavelength associated with it

If the amplitude of sound is doubled and the frequency reduced to one fourth, the intensity of sound at the same point will be

Generative cell was destroyed by laser but a normal pollen tube was still formed because

The size of chlorophyll molecule is

Plasmamembrane is made of

The compound which reacts fastest with Lucas reagent is (at room temperature)

The maximum number of electrons in a subshell is given by the expression

Egg is liberated from ovary in

Lymph differs from blood in possessing