List of practice Questions

Aldosterone is secreted by:
In which one pair, both the plants can be vegetatively propagated by leaf pieces?
A woman with normal vision, but whose father was colour blind, marries a colour blind man. Suppose that the fourth child of this couple was a boy. This boy
Which of the following is generally used for induced mutagenesis in crop plants?
More than 70% of world's freshwater is contained in :
Which of the following is the simplest amino acid
The nuclei of which one of the following pairs of nuclei are isotones?
The ratio of the dimensions of Planck's constant and that of the moment of inertia is the dimension of:
Which of the following is not used for disinfection of drinking water ?
If a person sitting in a train moving with a constant velocity along a straight line, throws a ball vertically upwards then
In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues ?
Which one of the following characters is not typical of the class-Mammalia ?
From the following statements select the wrong one
If the coefficient of $x^7$ in $\left[ ax^2 + (\frac{1}{bx} ) \right]^{11}$ equals the coefficient of $x^{-7}$ in $\left[ax - \left(\frac{1}{bx^{2}}\right)\right]^{11}$ , then a and b satisfy the relation
Animals have innate ability to escape from predation. Examples for the same are given. Select the incorrect example
The temperature of inversion of a thermocouple is 620°C and the neutral temperature is 300°C.what is the temperature of cold junction?
Fission of nuclei is possible because the binding energy per nucleon in them:
Most of the petrocrops belong to family
Consider the following statements A and B and identify the correct answers:
Two balls are projected simultaneously in the same vertical plane from the same point with velocities $ {{V}_{1}} $ and $ {{V}_{2}} $ with angles $ {{\theta }_{1}} $ and $ {{\theta }_{2}} $ respectively with the horizontal. If , the path of one ball as seen from the position of other ball is:
Equation of a gas in terms of pressure (P), absolute temperature, (T) and density (rf) is:
Identify X and Yin the following sequence ofreactions $CH_3CHO \xrightarrow{HNO_3} X \xrightarrow{P_4O_{10}} Y $
Which of the following gives paracetamol on acetylation?
4 g of hydrocarbon $ ({{C}_{x}}{{H}_{y}}) $ on complete combustion gave 12 g of $ \text{C}{{\text{O}}_{\text{2}}}\text{.} $ What is the empirical formula of the hydrocarbon? (C=12,H=1)
Which of the following is obtained in a carbylamine reaction?