List of practice Questions

Cell-mediated immunity in the human body is carried out by

How many grams of cobalt metal will be deposited when a solution of cobalt (II) chloride is electrolyzed with a current of 10 amperes for 109 minutes (1 Faraday = 96,500 C; Atomic mass of Co = 59 u) :

Dettol is the mixture of :

Dipole induced dipoloe interactions are present in which of the following pairs :-

Down's syndrome in humans is due to

During sewage treatment biogas produced includes

During muscle contraction in humans, the

Eye of Octopus and eye of Cat show different patterns of structure. Yet they perform similar function. This is an example of

For a normal eye, the cornea of eye provides a converging power of $40\, D$ and the least converging power of the eye lens behind the cornea is $20\, D$. Using this information, the distance between the retina and the cornea -eye lens can be estimated to be -

Menstrual flow occurs due to lack of

H-zone in skeletal muscle fibre is due to

How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?

If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child ?

If two persons with 'AB' blood group marry and have sufficiently large number of children, these children could be classified as 'A' blood group : 'AB' blood group 'B' blood group in 1 : 2 : 1 ratio. Modern technique of protein electrophoresis reveals presence of both 'A' and 'B' type proteins in 'AB' blood group individuals. This is an example of :

In china rose the flowers are :

In Young's double slit experiment, the slits are 2mm apart and are illuminated by photons of two wavelengths $\lambda_1 = 12000 \mathring A $ and $\lambda_2 = 10000 \mathring A.$ At what minimum distance from the common central bright fringe on the screen 2m from the slit will a bright fringe from one interference pattern coincide with a bright fringe from the other ?

Infection of Ascaris usually occurs by

Infinite number of bodies, each of mass 2 kg are situated on x-axis at distance 1m, 2m, 4m, 8m, ...., respectively, from the origin. The resulting gravitational potential due to this system at the origin will be

Inflorescence is racemose in

Isogamous condition with non flagellated gametes is found in

Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to which of the following formulae ?

Product of sexual reproduction generally generates

Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is :

Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?

Syngamy can occur outside the body of the organism in