821: Consider the following statements:

1. In the world, the tropical deserts occur along the western margins of continents within the trade wind belt.

2. In India, the East Himalayan region gets high rainfall from north-east winds.

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
822: Which one of the following statements is not correct ?

(a) All echinoderms are viviparous
(b) Round worm has no circulatory system
(c) In bony fishes, swim bladder is usually present
(d) In cartilaginous fishes, fertilisation is internal
823: Rolling Plan can be best defined in context of India as:

(a) Formulation of annual plans

(b) Perspective of Five-Year Plan with the provision of extending by one year at a time so that there would be a constant planning horizon of five years

(c) Aims and achievements reviewed every year in a Five-Year Plan

(d) Plan for full 5 years
824: Shifting cultivators normally grow:

(a) A single crop which is mainly consumed

(b) The major crop along with cereals

(c) Cash crops along with fodder

(d) Grains, vegetables and tubers in rotation
825: Vidhushaka, a common character in Sanskrit drama, is invariably a

(a) Brahmana

(b) Kshatriya

(c) Vaisya

(d) Shudra