2276: Monazite is an ore of

(a) zirconium

(b) thorium

(c) titanium

(d) iron
2277: Which one of the following has the highest fuel value ?

(a) Hydrogen

(b) Charcoal

(c) Natural Gas

(d) Gasoline
2278: Which among the following States possesses oil resources based on geographical location?

(a) Kerala

(b) Nagaland

(c) Assam

(d) Meghalaya
2279: Atoms of the same element having the same atomic number but different atomic weight are called

(a) Isobars

(b) Isotopes

(c) Polymers

(d) Isomers
2280: Consider the following plants:

1. Bougainvillea
2. Carnations
3. Cocoa
4. Grapes

Which of these plants are propagated by stem cuttings?

(a) 1 and 2
(b) 2, 3 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4