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For the following questions answer them individually
Which one of the following allows computers to transfer data using a telephone line ?
Keyboard
CPU
Modem
Printer
Laughing gas is
Nitric oxide
Nitrous oxide
Nitrogen trioxide
Nitrogen pentoxide
Clothes made of polyester dry quickly after washing becasuse
water evaporates very quickly
polyester absorbs very little water
it is a water proof material
it absorbs heat quickly
Which one of the following pairs is correctly matched ?
Seismograph—recording intensity of earthquake shock
Pyknometer—measuring solar radiation
Pyrometer—measuring density of liquids
Pyreheliometer—measuring high temperatures
When a gas is compressed
only pressure increases
only temperature increases
both pressure and temperature increase
pressure increases and temperature decreases
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful
solar ultraviolet radiation
solar infrared radiation
$$CO_{2}$$ in air
$$SO_{2}$$ in air
What is the impact of advancing glaciers on the rings of trees?
They become concentric
Their shape is distorted
They become widely spaced
They are immune to this change
Which of the following cities in India is considered greenest?
Bengaluru
Delhi
Chandigarh
Thiruvananthapuram
Green manure is obtained from
Fresh animal excreta
Decomposing green legume plants
Domestic vegetable waste
Oil seed husk cakes
Which one of the following represents the correct sequence of the countries included in the BRICS?
Brazil, Russia, Indonesia, China, South Africa
Brazil, Russia, India, China, South Africa
Brazil, Romania, India, China, Spain
Brazil, Russia, Indonesia, China, Sudan
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