Tag: science & technology

Questions Related to science & technology

chgrp command is for
general knowledge science & technology

  1. Change Gear

  2. Change Guard

  3. Change Graphics

  4. Change Group

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Correct Option: D

Xen is known for?
general knowledge science & technology

  1. Office Suite

  2. Multimedia

  3. Virtualization

  4. Xchange Express Network

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Correct Option: C

Devices are represented as
general knowledge science & technology

  1. devices

  2. directories

  3. files

  4. ports

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Correct Option: C

Which of the following gives permission to "Others" to make changes(write allowed) in "abc.txt" file
general knowledge science & technology

  1. chmod 751 abc.txt

  2. chmod 757 abc.txt

  3. chmod 550 abc.txt

  4. chmod 000 abc.txt

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Correct Option: B

What is considered a normal blood pressure?
general knowledge science & technology

  1. Systolic blood pressure less than 90 and diastolic blood pressure less than 150

  2. Systolic blood pressure less than 140 and diastolic blood pressure less than 90

  3. Systolic blood pressure less than 180 and diastolic blood pressure less than 150

  4. dummy

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Correct Option: B

What kind of medication used to treat hypertension works by excreting extra water and salt to lower blood pressure?

general knowledge science & technology

  1. ACE inhibitors

  2. Anti-adrenergic drugs

  3. Diuretics

  4. Antibiotics

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Correct Option: C

If you're trying to keep your weight in check, what BMI (Body Mass Index) should you be aiming for?
general knowledge science & technology

  1. 14-18

  2. 20-25

  3. 28-32

  4. 34-42

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Correct Option: B

What's the relationship between coronary artery disease (CAD) and cholesterol?
general knowledge science & technology

  1. An elevated level of low density lipoprotein (LDL) and a decreased level of high density lipoprotein (HDL) are associated with a reduced risk of coronary artery disease.

  2. A decreased level of LDL and an elevated level of HDL are associated with a reduced risk of coronary artery disease.

  3. Levels of LDL and HDL should be about the same to reduce the risk of coronary artery disease.

  4. dummy

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Correct Option: B

What is the long form of "MASER"?
general knowledge science & technology

  1. Microwave Amplification by Stimulated Emission of Radiation

  2. Macrowave Amplification by Stimulated Emission of Radiation

  3. Microwave Amplification by Stimulated Emitter for Radiation

  4. Microwave Amplification by Stimulated Emission of Radiator

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Correct Option: A

In 2006, a study reported that mice that were bred to develop atherosclerosis experienced a decrease in artery plaque buildup when they were fed vegetables. By what percentage did the artery plaque buildup decrease?
general knowledge science & technology

  1. 32 percent

  2. 34 percent

  3. 36 percent

  4. 38 percent

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Correct Option: D