3086: Which of the following pairs is correct?

City : River

(a) Baghdad : Tigris

(b) Bonn : Danube

(c) Rome : Seine

(d) Paris : Tiber
3087: What is the correct sequence of the following in a heart attack ?

I. Narrowing of the inner orifice of the vessel

II. Plaque from fibrous tissue and high cholesterol

III. Inadequate supply of blood and oxygen

IV. Clots of blood carried into the coronary arteries.

Choose the answer from the codes given below :

Codes:

(a) I, II, III, IV

(b) II, IV, I, III

(c) II, III, I, IV

(d) IV, II, I, III
3088: Mixed cropping is useful when:

(a) Crops with varying maturity periods are sown together

(b) Crops with same maturity period are sown together

(c) Different soils are used for the same crops

(d) Crops with different nutritional requirements are grown
3089: Gondwana hills are located in:

(a) Punjab

(b) Jammu and Kashmir

(c) Madhya Pradesh

(d) Nagaland
3090: A car runs at a speed of 40 km per hour during the first half of the journey and at a speed of 60 km per hour during the second half of the journey. The average speed of the car is:

(a) 48 kmph

(b) 50 kmph

(c) 52 kmph

(d) 54 kmph