Analyst Questions


Q:

Which of the following is true of kinetochores?

A) They are the primary centrosome structures that maintain the attachment of the sister chromatids prior to mitosis. B) They are the sites at which microtubules attach to chromosomes.
C) They are located at the center of the centrosome and organize tubulin into spindle fibers. D) They cross at the cell's equator and move against each other, causing the cell to elongate.
 
Answer & Explanation Answer: B) They are the sites at which microtubules attach to chromosomes.

Explanation:

They are the sites at which microtubules attach to chromosomes.

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Filed Under: Biology
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Q:

The 1911 Chinese revolution ended the rule of the

A) Ming dynasty B) Mongolians dynasty
C) Song dynasty D) Manchus dynasty
 
Answer & Explanation Answer: D) Manchus dynasty

Explanation:

It was the Qing Dynasty, who was a Manchu Dynasty whose rule ended in 1911 Chinese revolution.

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Q:

Which of the following statements about aldosterone is NOT correct?

A) Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule. B) Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.
C) Aldosterone is produced in the adrenal cortex. D) Aldosterone increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, thus aiding sodium reabsorption.
 
Answer & Explanation Answer: A) Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.

Explanation:

Aldosterone, the main mineralocorticoid hormone, is a steroid hormone produced by the zona glomerulosa of the adrenal cortex in the adrenal gland. It is essential for sodium conservation in the kidney, salivary glands, sweat glands and colon.

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Filed Under: Biology
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Q:

The Most Important Ore of Aluminium is

A) Calamine B) Monazite
C) Magnetite D) Bauxite
 
Answer & Explanation Answer: D) Bauxite

Explanation:
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Filed Under: Chemistry
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Q:

Thermal energy is caused by the motion of

A) atoms B) molecules
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Thermal energy is caused by the motion of atoms and molecules in the matter.

Thermal_energy_is_caused_by_the_motion_of1556262535.jpg image

 

  1. Thermal energy is an example of kinetic energy, as it is due to the motion of particles, with motion being the key.
  2. Thermal energy results in an object or a system having a temperature that can be measured.
  3. Thermal energy can be transferred from one object or system to another in the form of heat.
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Q:

Two angles whose sum is 180 degrees are

A) Complimentary angles B) Supplementary angles
C) Alternate angles D) None of the above
 
Answer & Explanation Answer: B) Supplementary angles

Explanation:

Two angles whose sum is 180 degrees are called supplementary angles.

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Filed Under: Arithmetical Reasoning
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Q:

What is the principle carbohydrate of milk?

A) Fructose B) Sucrose
C) Lactose D) Galactose
 
Answer & Explanation Answer: C) Lactose

Explanation:

Lactose is the major carbohydrate in the milk of most species.

 

Lactose is a disaccharide composed of the monosaccharides D-glucose and D-galactose, joined in a ß-1,4-glycosidic linkage. The chemical name for lactose is 4-0-ß-D-galactopyranosyl-D-glucopyranose.

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Filed Under: General Science
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Q:

A word that means the same thing as consumer is

A) Autotroph B) Producer
C) Heterotroph D) Carbohydrate
 
Answer & Explanation Answer: C) Heterotroph

Explanation:

Producer are Autotrophs as they prepare their own food and does'nt depend on others as Customers or Heterotrophs which depend on producers or Autotrophs.

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