List of practice Questions

Isopropyl alcohol on oxidation forms

Show that the relation R in R defined as R = {(a, b): a ≤ b}, is reflexive and transitive but not symmetric. 

A vector is not changed if

Show that the relation R in the set {1, 2, 3} given by R = {(1, 2), (2, 1)} is symmetric but neither reflexive nor transitive.  

Which of the following is not an example of linear motion
In a batch of 15 students, if the marks of 10 students who passed are 70, 50, 95, 40, 60, 70, 80, 90, 75, 80 then the median marks of all the 15 students is:

Choose the box that is similar to the box formed from the given sheet of paper (X).

The direction ratios of the line OP are equal and the length $OP = \sqrt{3}$ . Then the coordinates of the point P are :
The cardinality of the set P(P(P($\phi$))) is [P(A) represents power set of the set A]
What are decomposers?
Foods from the meat, poultry, fish dry beans, eggs and nuts group are an important source of _______.
Right aortic arch is found in ___________.
Which of the following mutations is the most common type of mutation?
___________ is located between two pleural sacs and is the central compartment of the thoracic cavity.
For the manufacturing process of standard pasteurized milk, lactose is added to whole milk and sugar to:
Which is not a green house gas?
What are the cysts containing sticky gel-like substances in an ovary called?
What is the process of activation of amino acids in the presence of ATP and its linkage to their cognate tRNA known as?
What percentage of children are colour blind if their father is colour blind and the mother is a carrier for Colour blindness?
The most appropriate part for the study of meiosis in plants would be?
Convergent evolution will not take place in:
Which of the following Park is located in Jammu & Kashmir?
When chemical fertilizers are given to plants, the soil is to be thoroughly watered otherwise, the plants get killed because of:
What change in pH should be made to tomato soup to increase its preservation?
What is the sum of the measures of the angles ∠A, ∠B, ∠C, ∠D, ∠E, and ∠F in the given figure?