Question # 1

What is light subtraction?

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it is shutting out light beams to create a darkened void

it is using the color spectrum to see if stars are moving away from earth

it is the process of subtraction without borrowing from the next number grouping

It is how things that do not give off light are colored

It is easier to roll a stone up a sloping road than to lift it vertically upwards because

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Work done in rolling is more than in lifting

Work done in lifting the stone is much more than rolling it

Work done in both is same but rate of doing work is less in rolling

Work done in rolling a stone is less than in lifting it

Puses are a good source of

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Carbohydrates

Fats

Proteins

Vitamins

What group of macromolecules of enzymes belong to?

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Lipids

Proteins

Carbohydrates

Nucleic Acids

Late in life, Fred Whipple worked on which ill, fated mission?

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Apollo 13

Challenger

^{Apollo 18}

CONTOUR

1 mile (US) is equal to how many kilometers:

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1.6

2.0

1.0

1.8

Who discovered streptomycin, the first antibiotic effective for the treatment of tuberculosis, for which he was named Noble Laureate in Medicine in 1952?

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Roger W, Sperry

Bert Sakman

Arthur Kornberg

Selman A, Waksman

If 4 cows produce 4 can of milks in 4 days how many days does it take 8 cows to produce 8 cans milks?

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166

2

4

8

Who invented the hydrogen bomb?

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Oppenheimer

Albert Einstein

Samuel Cohen

Edward Teller

Effect of increasing temperature on resistance of semiconductor is

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Increasing

No change

Decreasing

Fluctuate

Which of he following elements is not present in stainless steel?

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iron

trungsten

chromium

nickel

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