Biology, asked by yashtembhare55, 3 months ago

41. The State Government shall take measures for abatement of noise.

a) True

b) False

42. One of the efficient ways to control aircraft noise is

a) Building aircrafts with old technologies

b) Maximize the passengers to 100

c) Increase the amount of pressure it can withstand

d) Constructing aerodromes far away from the residential areas

43. What is the db level for heavy vehicles in India?

a) 70

b) 75

c) 77

d) 80

44. Loud speakers cause noise.

a) True

b) False

45. Which of the following chemical is responsible for acute lung disease from Bhopal gas tragedy?

a) Methylisocyanate

b) Methylisocyanade

c) Methyl

d) Methylcyanate

46. Heavy metals like Arsenic, Cadmium and Cyanide effects _________

a) Immune system

b) Nervous system

c) Skin

d) Respiratory system

47. DDT and Aluminium cans are examples of ________.

(a) Primary Pollutants

(b) Secondary pollutants

(c) Biodegradable Pollutants

(d) Non-Biodegradable Pollutants

48. The Taj Mahal is being affected by

a. Noise pollution

b. Air pollution

c. Water pollution

d. None of these

49. The unfavorable alteration of environment due to human activity is termed as

(a) Ecological disturbance

(b) catastrophe

(c) Ecological degradation

(d) Pollution

50. Write full form of DDT​

Answers

Answered by geetharishi68
1

Answer:

gjgxbhdhygrvg6dryf8gxfgthtcvgvzyffgrxcrgfefccrgcegfegveggvegcegfegfeggegcdggccdgceggeggegevgegegevgegevegegevegscsgsiaiwhvezhud

Similar questions