88.

70.

۶1.

72.

73.

74.

75,

76.

7L

78.

Bhopal gas tragedy was due to :
(A) Sulphur dioxide (18) ബേ monoxide
(6) Methyl cvanide (7) Methyl isocyanate

Which one of the following is the ‘east flowing’ river in Kerala ?
(4) Bhavani (8) ரண (C) Chalakkudy 1) Kallada

The wind system in the tropical regions are known as :
(ಗೆ) Cyclones (8) Trade winds (0) Westerlies (11) Hurricanes

The main cause of lung diseases is :
(ಗೆ) Carbon dioxide (B) Ozone (09) Nitrous oxide (D) RSPM

Select the false statement :
(ക) Rainwaler contains pollens (08) Rainwater contains dust
(0) Rainwater is acidic in nature (D) Rainwater contains essential minerals

Select the false statement :

[ക] The organic matter in the soil increases the Cation Exchange Capacity (CEC)
(B) 1f a soil have higher CEC, it is highly fertile

)© ‏ازہ٭ ١11‎ have higher CEC, it is less ferlile

(D) CEC is measured in milliequivalents per 100 grams of soil

The primitive and last remaining hunter and gatherer tribal community of Kerala is :
(A) Mala Araya (18) Kuruma (C) Kurichiar (D) Cholanaikkans

The first National Park in India :
[ക] 110 Corbett NP {B) आरात Valley NP (C) Kaziranga NP (D) Bandipur NP

Following, is an example of Zoonotic epidemic :
(^) ५५१२५ (8) Malaria

(C) lapanese encephalitis (D) Jaundice

In a waste water, the BODs/COD,, ratio is > 0.6, which treatment is fairly cost effective :

(A) Addition of alum (0) Trickling fillers
(€) Phytoremediation (11) Oxidation ponds
11 203/2015

[11.0