486: In India, in which one of the following types of forests is teak a dominant tree species?
(a) Tropical moist deciduous forest
(b) Tropical rain forest
(c) Tropical thorn scrub forest
(d) Temperate forest with grasslands
487: Consider the following statements:
1. Vigyan Rail is a Science Exhibition on wheels organized by the Council of Scientific and Industrial Research.
2. Vigyan Prasar is a autonomous body under the Ministry of Human Resource Development.
3. EDUSAT, the ISRO's educational satellite was launched from French Guyana in 2004.
Which of the statements given above is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) 1, 2 and 3
(d) None
488: In a family, a couple has a son and a daughter. The age of the father is three times that of his daughter and the age of the son is half of his mother. The wife is nine years younger to her husband and the brother is seven years older than his sister. What is the age of the mother ?
(a) 40 years
(b) 45 years
(c) 50 years
(d) 60 years
489: Regarding the Indus Valley Civilization, consider the following statements:
1. It was predominantly a secular civilization and the religious element, though present, did not dominate the scene.
2. During this period, cotton was used for manufacturing textiles in India.
Which of the statements given above isl are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
490: Out of the three annual examinations, each with a total of 500 marks, a student secured average marks of 45% and 55% in the first and second annual examinations. To have an overall average of 60%, how many marks does the student need to secure in the third annual examination ?
(a) 450
(b) 400
(c) 350
(d) 300