62. Three-way catalytic converter is used in vehicles to reduce
1. Unburnt Hydrocarbon
2. Carbon Monoxide
3. Nitric Oxide
4. Sulphur dioxide

Select the correct answer using the code given below :

63. Statements about Terrestrial laser scanning are given below :
1. It is a measurement technique that can acquire millimeter-level of detail from the surrounding area.
2. It allows rapid, automatic and periodical estimates of many important forest inventory attributes.
3. It measures the surrounding three-dimensional (3D) space.
4. It is a satellite-based technique that ensures precise standard surveys.

Which of the above given statements are true ?

64. Read the following and choose the correct statement(s) :
1. The Pacific nation of Palau became the first country to ban ‘‘Coral reef-toxic’’ sunscreens.
2. Chemicals like oxybenzone and octinoxate that are present in most of the sunscreens, absorb UV light and are thus harmful to the Corals.
 

Choose the correct option :

65. Read the following and choose the correct statement(s) :
Statement I : The Himachal Pradesh State Government is to develop India’s first Snow Leopard Conservation Centre of India. The Centre is to be developed by the Himachal Pradesh Forest Department and the United Nations Development Programme (UNDP).
Statement II : Global Snow Leopard and Ecosystem Protection Programme (GSLEP) is an inter-governmental alliance of all 12 snow leopard range countries.

Choose the correct option :

66. The symbol of Indian ecomark is