166: Stripes on the back of the animals are the indication of:

(a) Mating habit

(b) Food habit

(c) Cave dwelling

(d) Matching of skin colour with surroundings
167: Itaipu Dam built on the River Parana is one of the largest dams in the world. Which of the following two countries have this as a joint project?

(a) Colombia and Paraguay
(b) Paraguay and Ecuador
(c) Brazil and Paraguay
(d) Brazil and Peru
168: Consider the following statements :

1. The Commonwealth has no charter, treaty or constitution.

2. All the territories/countries once under the British empire (jurisdiction/rule/mandate) automatically joined the Commonwealth as its members.

Which of the statements given above is/are correct ?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
169: Consider the following statements:

1. The Governor of Pubjab is concurrently the Administrator of Chandigarh.

2. The governor of Kerala is concurrently the Administrator of Lakshadweep.

Which of the above statements is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
170: Ticks and mites are actually

(a) Arachnids
(b) Crustaceans
(c) Insects
(d) Myriapods