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Q:

Which activity is accomplished using the genetic code?

A) mutation B) DNA can be made into mRNA
C) DNA formation D) None of the above
 
Answer & Explanation Answer: B) DNA can be made into mRNA

Explanation:
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Filed Under: Biology
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3 1876
Q:

Phage typing is based on the fact that

A) viruses cause disease B) bacteria and viruses are related
C) bacteria are destroyed by viruses D) bacterial viruses attack specific cells
 
Answer & Explanation Answer: D) bacterial viruses attack specific cells

Explanation:

Phage typing is based on the fact that bacterial viruses attack specific cells. Phage typing is a method used for detecting single strains of bacteria. It is used to trace the source of outbreaks of infections. 

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Filed Under: Biology
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1 2348
Q:

A genus can best be defined as

A) a taxon belonging to a species B) the most specific taxon
C) a taxon composed of families D) a taxon composed of one or more species and a classification level lying below family
 
Answer & Explanation Answer: D) a taxon composed of one or more species and a classification level lying below family

Explanation:

A genus can best be defined as a taxon composed of one or more species and a classification level lying below family.

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Filed Under: General Science
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0 1464
Q:

Which tax uses the same rate for all income levels?

A) Income tax B) Proportional tax
C) Both A & B D) Service tax
 
Answer & Explanation Answer: B) Proportional tax

Explanation:

Tax that uses the same rate for all income levels is proportional tax.

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Filed Under: Indian Economy
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1 1720
Q:

Standard deviation measures which type of risk?

A) Non diversifiable B) Economic
C) Systematic D) Total
 
Answer & Explanation Answer: D) Total

Explanation:

Standard deviation measures total risk in stocks.

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Filed Under: Accounts Payable
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1 1751
Q:

Which of the following has the shortest wavelength?

A) Gamma rays B) Radio waves
C) Microwaves D) Infrared rays
 
Answer & Explanation Answer: A) Gamma rays

Explanation:

Gamma rays has the shortest wavelength and radio waves has the longest wavelength.

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Filed Under: Physics
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2 1865
Q:

Production costs to an economist

A) reflect opportunity costs B) consist only of explicit costs
C) always reflect monetary outlays D) never reflect monetary outlays
 
Answer & Explanation Answer: A) reflect opportunity costs

Explanation:

Production costs to an economist reflect opportunity costs.

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Filed Under: Indian Economy
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2 1902
Q:

The limbic system structure that regulates hunger is called the

A) Hypothalamus B) Cerebellum
C) Pituitary gland D) Cerebrum
 
Answer & Explanation Answer: A) Hypothalamus

Explanation:

the_limbic_system_structure_that_regulates_hunger_is_called_the1545974338.png image

 

The hypothalamus which is near the pituitary gland is a small region located at the base of the brain. The hypothalamus plays a crucial role in many important functions including releasing hormones, regulating body temperature, regulates hunger etc...

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Filed Under: Biology
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3 2194