191: Which of the following has/have shrunk immensely/dried up in the recent past due to human activities ?
1. Aral Sea
2. Black Sea
3. Lake Baikal
Select the correct answer using the code given below :
(a) 1 only
(b) 2 and 3
(c) 2 only
(d) I and 3
192: Which one of the following is not essentially a species of the Himalayan vegetation ?
(a) Juniper
(b) Silver fir
(c) Mahogany
(d) Spruce
Explanation:
Silver fir (Abies pindrow, Spach) and Spruce (Picea smithiana, Boiss), commonly referred as high level conifers. These species extend throughout Western Himalayas from Afghanistan to Nepal chiefly at 7,000 to 12,000 ft. but sometimes descending below and up in cool ravines.
Spruce and Silver fir is also common in Bhutan with its multiple uses.
Juniper is found in Europe, southwestern Asia up to the Himalayas, and North America, where it grows from southern coastal sites to more northerly moorland and mountainous regions.
193: What is the approximate mean velocity with which the Earth moves round the Sun in its orbit ?
(a) 20 km/s
(b) 30 km/s
(c) 40 km/s
(d) 50 km/s
Explanation:
The approximate mean velocity with which the Earth moves round the Sun in its orbit is 30 km/s. (29.8 km/s).
194: "Rule of Law Index" is released by which of the following ?
(a) Amnesty International
(b) International Court of Justice
(c) The Office of UN Commissioner for Human Rights
(d) World Justice Project
195: Which of the following hills are found where the Eastern Ghats and the Western Ghats meet?
(a) Nilgiri Hills
(b) Anaimalai Hills
(c) Cardamom Hills
(d) Shevoroy Hills
Explanation:
The Nilgiri (Blue Mountains), often referred to as the Nilgiri Hills, are a range of mountains with at least 24 peaks above 2,000 metres in the western most part of Tamil Nadu.
The Mudumalai wildlife sanctuary is located where the Nilgiri Hills, the offshoot of the Western Ghats meet the Eastern Ghats.