IIT JEE Practice Question and Answer

Q: The term "simple carbohydrates" refers to 1486 0

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    polysaccharides
    Correct
    Wrong
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    monosaccharides and disaccharides
    Correct
    Wrong
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    starch and glycogen
    Correct
    Wrong
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    dietary fiber
    Correct
    Wrong
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Answer : 2. "monosaccharides and disaccharides"
Explanation :

Answer: B) monosaccharides and disaccharides Explanation: Simple carbohydrates are also called as Simple sugars. Monosaccharides and Disaccharides refers to simple carbohydrates.

Q: What prevents food from entering the windpipe? 1630 0

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    Epiglottis
    Correct
    Wrong
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    Pharynx
    Correct
    Wrong
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    Trachea
    Correct
    Wrong
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    Larynx
    Correct
    Wrong
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Answer : 1. "Epiglottis"
Explanation :

Answer: A) Epiglottis Explanation: Epiglottis is that prevents food from entering the windpipe.  It is a cartilageous flap that flaps opens and closes when swallowing. When you swallow, the epiglottis flattens backward to cover the entrance to your larynx and prevent food from entering the lungs and windpipe. The epiglottis returns to its usual position after swallowing.

Q: In which atmospheric layer are the communication satellites located? 7042 0

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    Thermosphere
    Correct
    Wrong
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    Troposphere
    Correct
    Wrong
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    Mesosphere
    Correct
    Wrong
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    Stratosphere
    Correct
    Wrong
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Answer : 1. "Thermosphere"
Explanation :

Answer: A) Thermosphere Explanation: In terms of the Earth's atmosphere, they occupy regions called the thermosphere and the exosphere. The layer through which a satellite orbits depends on the satellite's function and the kind of orbit it has.   The thermosphere is a region of very high temperature that extends from the top of the mesosphere at around 85 kilometers (53 miles) up to 640 kilometers (400 miles) above the Earth's surface. It is called the thermosphere because temperatures can reach up to 1,500 degrees Celsius (2,732 degrees Fahrenheit).   However, despite the high temperatures, the pressure is very low, so satellites don't suffer heat damage.

Q: Consumers that eat both plants and animals are 1226 0

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    Carnivores
    Correct
    Wrong
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    Herbivores
    Correct
    Wrong
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    Omnivores
    Correct
    Wrong
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    Tertiary consumers
    Correct
    Wrong
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Answer : 3. "Omnivores"
Explanation :

Answer: C) Omnivores Explanation: An omnivore is an animal that eats food from both plants and animals. Animals that eat other animals are called carnivores. Carnivores that eat herbivores are called secondary consumers, and carnivores that eat other carnivores are called tertiary consumers.

Q: What is harder to catch the faster you run? 1754 0

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    Breathe
    Correct
    Wrong
  • 2
    Fire
    Correct
    Wrong
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    Water
    Correct
    Wrong
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    Time
    Correct
    Wrong
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Answer : 1. "Breathe"
Explanation :

Answer: A) Breathe Explanation: It is very hard to catch breathe when you run fast.

Q: How did the Interstate Commerce Act of 1887 help farmers? 6831 0

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    It took government payments to railroads and gave them to farmers.
    Correct
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    It gave farmers shares in the largest railroad companies.
    Correct
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    It prevented railroads from charging farmers more than other customers.
    Correct
    Wrong
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    It forced railroads to build lines to the largest farming areas.
    Correct
    Wrong
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Answer : 3. "It prevented railroads from charging farmers more than other customers."
Explanation :

Answer: C) It prevented railroads from charging farmers more than other customers. Explanation: In 1887 Congress passed the Interstate Commerce Act, making the railroads the first industry subject to Federal regulation. Congress passed the law largely in response to public demand that railroad operations be regulated.   Railroads discriminated in the prices they charged to passengers and shippers in different localities by providing rebates to large shippers or buyers. These practices were especially harmful to American farmers, who lacked the shipment volume necessary to obtain more favorable rates.

Q: What is an example of an inflation risk? 1496 0

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Answer :
Explanation :

Inflation risk, also called purchasing power risk, is the chance that the cash flows from an investment won't be worth as much in the future because of changes in purchasing power due to inflation.   HOW IT WORKS (EXAMPLE): For example, $1,000,000 in bonds with a 10% coupon might generate enough interest payments for a retiree to live on, but with an annual 3% inflation rate, every $1,000 produced by the portfolio will only be worth $970 next year and about $940 the year after that. The rising inflation means that the interest payments have less and less purchasing power. And the principal, when it is repaid after several years, will buy substantially less than it did when the investor first purchased the bonds.

Q: "Compounding frequency" refers to 2481 0

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    What type of interest your account earns
    Correct
    Wrong
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    How often your interest is calculated and added back into your account
    Correct
    Wrong
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    What interest rate you can expect from your account
    Correct
    Wrong
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    How easily you can add money into your account
    Correct
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Answer : 2. "How often your interest is calculated and added back into your account"
Explanation :

Answer: B) How often your interest is calculated and added back into your account Explanation: Compounding frequency : The time periods when interest will be calculated on top of the original loan amount (or) The number of compounding periods in one year.   The greater the compounding frequency, the more often your interest is calculated and added back into your account.

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