4006: Ticks and mites are actually
(a) Arachnids
(b) Crustaceans
(c) Insects
(d) Myriapods
4007: Heavy rainfall affects soil by:
(a) Increasing its acidity
(b) Increasing its alkalinity
(c) Reducing its fertility
(d) None of these
4008: Assertion (A)
France produces the best wine in the world
Reason (R)
The Champagne district of France is famous for the best quality of grape-wines
(a) if A and R both are correct and R is the correct explanation of A
(b) if A and R both are correct but R is not the correct explanation of A
(c) if A is incorrect but R is correct
(d) if A is correct but R is incorrect
4009: Natural rubber is a plant product which is chemically known as
(a) Mucilage
(b) Gum
(c) Latex
(d) Resin
4010: Which of the following is / are unique characteristic / characteristics of equatorial forests?
1. Presence of tall, closely set trees with crowns forming a continuous canopy
2. Coexistence of a large number of species
3. Presence of numerous varieties of epiphytes
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3