Questions

Q:

Select the correct statement about oxygen transport in blood

A) A 50% oxygen saturation level of blood returning to the lungs might indicate an activity level higher than normal B) During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2
C) During conditions of acidosis, hemoglobin is able to carry oxygen more efficiently D) Increased BPG levels in the red blood cells enhance oxygen-carrying capacity
 
Answer & Explanation Answer: B) During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2

Explanation:
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Q:

Which one of the following is not true for minerals?

A) they can be a liquid, solid, or glass B) they can be identified by characteristic physical properties
C) they have a specific, internal, crystalline structure D) they have a specific, predictable chemical composition
 
Answer & Explanation Answer: A) they can be a liquid, solid, or glass

Explanation:

A mineral is a naturally occurring, inorganic solid, with a definite chemical composition. They cannot be in liquid or gas state. They exists only in solid state.

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Q:

Which statement is NOT true about polymers?

A) Polymers are large molecules composed of small monomeric units B) Polymes are macromolecules
C) Polymers are complex molecules composed of random sequences of atoms D) All the above
 
Answer & Explanation Answer: C) Polymers are complex molecules composed of random sequences of atoms

Explanation:

Polymers are complex molecules composed of random sequences of atoms is the only statement which is not true regarding polymers.

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Q:

Which of these is an example of government corruption?

A) tax revenue B) contracting
C) cronyism D) all the above
 
Answer & Explanation Answer: C) cronyism

Explanation:

Cronyism is the practice of partiality in awarding jobs and other advantages to friends, family relatives or trusted colleagues, especially in politics and between politicians and supportive organizations.

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Q:

Materials that allow electricity to flow are called

A) Insulators B) Conductors
C) Electron flows D) Stimulators
 
Answer & Explanation Answer: B) Conductors

Explanation:

Materials that allow electricity to flow are called electrical conductors and that materials which does not allow electricity to flow are called Insulators.

materials_that_allow_electricity_to_flow_are_called1535107310.png image

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Q:

Who is now the World’s Second Richest Person ?

A) Amancio Ortega B) Warren Buffett
C) Jeff Bezos D) Bill Gates
 
Answer & Explanation Answer: C) Jeff Bezos

Explanation:
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Q:

Floridian starch is characteristic energy storage material of which algae?

A) Blue green algae B) Brown algae
C) Red algae D) Green algae
 
Answer & Explanation Answer: C) Red algae

Explanation:

The floridian starch is reserve food materials in the red algae or the members of class Rhodophytae. It is a characteristic feature of this group.

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Q:

Conversion of Glycogen to Glucose is stimulated by

A) Insulin B) Cortisol
C) Glucagon D) Progesterone
 
Answer & Explanation Answer: C) Glucagon

Explanation:
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