Questions

Which among the following does not have a cell wall?

Sour taste of lemon is due to the presence of which of the following ?

Pentlandite is an ore/mineral of _______.

P, Q, R, S and T are standing in a line. P is taller than S but shorter than Q. T is shorter than S but taller than R. Who is the second tallest of them all?

If a3-b3 = 56 and a-b = 2, then what is the value of a2+b2 ?

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2),then the value of k is

Which country has the most coal reserves?

Under the ‘National Electric Mobility Mission Plan’, the government wants to see 6-7 million electric and hybrid vehicles on Indian roads from year ______ onwards.