Related Questions

The gas causing acid rain in an industrial area is
A Carbon dioxide
B Carbon monoxide
C Sulphur dioxide
D Methane
Which of the following types of rain gauges is used for measuring rain in remote hilly inaccessible areas ?
A tipping bucket type
B weighing type
C floating type
D Simon’s raingauge
From 7 : 00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased ti fall at a rate of 1.25 inches every two hours. How many inches of rain landed on the ground by 5:00 PM?
A 6 inches
B 7 inches
C 5.5 inches
D 9 inches
If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
A Dust
B Fire
C Colour
D Water
কোন এক বৃষ্টির দিনে ফাউজিয়া জানালার পাশে দাঁড়িয়ে দেখছিল বৃষ্টি উলম্বভাবে 6 km/hr বেগে পতিত হচ্ছে। ফাউজিয়া লক্ষ্য করল, রাস্তায় একজন লোক 4 km/hr বেগে হাঁটছে এবং অপরজন 8 km/hr বেগে সাইকেলে যাচ্ছে। হেঁটে চলা লোকটির সাপেক্ষে পড়ন্ত বৃষ্টির লব্ধি বেগ কত? (On a rainy day, Faoziya observed that rain was falling with a vertical velocity of 6 km/hr. She also saw that a person was walking with 4 km/hr and another person was riding a bi- cycle with 8 km/hr. What is the resultant velocity of rain with respect to the walking person?)
A -7.016 km/hr
B 9.01 km/hr
C 8.21 km/hr
D 7.21 km/hr
E 7.0 km/hr
Which of the following is not responsible for causing permanent hardness of water?
A Ca(HCO3)2
B CaCl2
C MgCl2
D None of these
Which or the following is mainly responsible for causing discomfort to mountaineers?
A Steep height
B Extreme cold
C Lack of oxygen
D Lack of shelter
What are the components responsible for acid rain?
A Nitrogen monoxide (NO) and Carbon monoxide (CO)
B Sulphur dioxide (SO2) and Nitrogen oxides (NOx)
C Carbon dioxide (CO2) and Carbon monoxide (CO)
D Oxides of carbon (COx) and Oxides of nitrogen (NOx)
Which one of the following processes is responsible for the glittering of air bubble rising through water?
A Reflection of light
B Refraction of light
C Total internal reflection of light
D Scattering of light
Which of the following processes is responsible for producing the sand dunes in western Rajasthan?
A Wind erosion
B Erosion by water
C Wind deposition
D Mechanical weathering

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