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Q:

Which of the following are elements of SQL?

A) base-table-identifier ::= user-defined-name B) base-table-name ::= base-table-identifier
C) boolean-primary ::= comparison-predicate D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:
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Filed Under: Oracle
Job Role: Analyst , Database Administration , IT Trainer

Q:

Which of these is not a function of the kidneys?

A) The kidneys regulate the plasma volume B) The kidneys help to regulate blood pressure
C) The kidneys help control the rate of red blood cell production D) The kidneys deactivate vitamin D and stimulate the activity of osteoclasts
 
Answer & Explanation Answer: D) The kidneys deactivate vitamin D and stimulate the activity of osteoclasts

Explanation:

The kidneys deactivate vitamin D and stimulate the activity of osteoclasts is wrong among the functions of kidneys.

 

The kidneys are two bean-shaped organs in the renal system. They help the body pass waste as urine. They also help filter blood before sending it back to the heart.

 

The kidneys perform many crucial functions, including:

  • maintaining overall fluid balance.
  • regulating and filtering minerals from the blood.
  • filtering waste materials from food, medications, and toxic substances.
  • creating hormones that help produce red blood cells, promote bone health, and regulate blood pressure.
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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Q:

How many Nephrons are in each kidney?

A) 10,000 B) 1,00,000
C) 1,000,000 D) 1000
 
Answer & Explanation Answer: C) 1,000,000

Explanation:

There are about 1,000,000 nephrons in each human kidney.

Nephron, functional unit of the kidney, the structure that actually produces urine in the process of removing waste and excess substances from the blood.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

The ratio of efficiencies of P, Q and R is 2 : 3 : 4. While P and R work on alternate days and Q work for all days. Now the work completed in total 10 days and the total amount they get is Rs. 1200. Find the amount of each person(respectively).

A) 200, 600, 400 B) 400, 600, 200
C) 600, 200, 400 D) 400, 200, 600
 
Answer & Explanation Answer: A) 200, 600, 400

Explanation:

Ratio of efficiencies of P, Q and R = 2 : 3 : 4

From the given data,

Number of working days of P, Q, R = 5 : 10 : 5

Hence, ratio of amount of p, Q, R = 2x5 : 3x10 : 4x5 = 10 : 30 : 20

Amounts of P, Q, R = 200, 600 and 400.

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Filed Under: Time and Work
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Q:

Which planet has the lowest density?

A) Earth B) Jupiter
C) Saturn D) Neptune
 
Answer & Explanation Answer: C) Saturn

Explanation:

Saturn, the solar system's second largest planet that takes the prize for least dense. It's less dense than water, which has led many people to postulate that it would float.

However, even if it somehow found its way to a body of water large and deep enough to contain it, Saturn would break apart and its rocky core would sink.

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Filed Under: Physics
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Q:

Which branch of government declares war?

A) Legislative B) Executive
C) Judicial D) All the above
 
Answer & Explanation Answer: B) Executive

Explanation:
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Filed Under: Indian Politics
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Q:

Which of the following is not a Jovian planet?

A) Jupiter B) Earth
C) Saturn D) Neptune
 
Answer & Explanation Answer: B) Earth

Explanation:

Earth is not a Jovian Planet as it is a Terrestrial planet.

A planet designated as Jovian is hence a gas giant, composed primarily of hydrogen and helium gas with varying degrees of heavier elements.

 

Within the Solar System, four Jovian planets exist – Jupiter, Saturn, Uranus, and Neptune. Though these planets vary in terms of size, mass, and composition, they all share certain characteristics that cause them to differ greatly from the terrestrial planets located in the inner Solar System.

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Filed Under: General Science
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Q:

What element is found in all organic compounds?

A) Hydrogen B) Calcium
C) Nitrogen D) Carbon
 
Answer & Explanation Answer: D) Carbon

Explanation:

Carbon is found in all organic compounds.

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Filed Under: Chemistry
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