2771: Age of tree can be estimated by:
(a) Counting the number of concentric rings
(b) Counting the nodes and internodes of the trunk
(c) Measuring the girth of the tree trunk
(d) Counting the number of branches
2772: Who was the Chief Justice of India when public interest litigation (PIL) was introduced to the Indian Judicial System?
(a) M. Hidayatullah
(b) A.M. Ahmadi
(c) A.S. Anand
(d) P.N. Bhagwati
2773: In the context of global oil prices. "Brent crude oil" is frequently referred to in the news. What does this term imply?
1. it is a major classification of crude oil.
2. It is sourced from north sea.
3. It does not contain sulphur.
which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
2774: Which one of the following is not a drug/pharma company?
(a) Chevron
(b) Pfizer
(c) Nicholas Piramal
(d) Zydus Cadila
2775: A person travels from X to Y a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for both the trips ?
(a) 36 kmph
(b) 45 kmph
(c) 48 kmph
(d) 50 kmph