Questions

Q:

Which is the fourth planet from the sun ?

A) Mercury B) Mars
C) Jupiter D) Earth
 
Answer & Explanation Answer: B) Mars

Explanation:
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Filed Under: World Geography

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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
Exam Prep: AIEEE , Bank Exams
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1 4034
Q:

What happens during the process of translation?

A) Transfer RNA is made from messenger RNA B) Copies of DNA molecules are made
C) The cell uses information from messenger RNA to produce proteins D) Messenger RNA is made from DNA
 
Answer & Explanation Answer: C) The cell uses information from messenger RNA to produce proteins

Explanation:

Translation is the process by which a protein is synthesized from the information contained in a molecule of messenger RNA (mRNA). During translation, an mRNA sequence is read using the genetic code, which is a set of rules that defines how an mRNA sequence is to be translated into the 20-letter code of amino acids, which are the building blocks of proteins.

 

In short, during the process of translation source language text is conveyed to destination language.

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Filed Under: Biology
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1 4033
Q:

Which group 4A element has the highest ionization energy?

A) Silicon B) Tin
C) Lead D) Carbon
 
Answer & Explanation Answer: D) Carbon

Explanation:

As the ionization energies of the elements decreases down the group carbon has got the highest ionization energy in the group being at the top of the group.

Carbon is on the top of the group 4 among the given elements. Hence, Carbon has the highest ionization energy.

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Filed Under: Chemistry
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Q:

The animal having longest life span?

Answer

Tortoise

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Q:

The comparative form of adjectives compares

A) more than two things or people. B) the past to the present.
C) two things or people. D) at least a dozen different times.
 
Answer & Explanation Answer: C) two things or people.

Explanation:

A comparative compares a person or thing with another person or thing. A superlative compares a person or thing with the whole group of which that person or thing is a member

Comparative adjectives compare one person or thing with another and enable us to say whether a person or thing has more or less of a particular quality.

Example :: I’m more interested in music than studies, Arun is taller than Karthik.

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Filed Under: English
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4 4032
Q:

In Thanjavur delta ________ crop is cultivated three times in a year

A) Wheat B) Rice
C) Sugarcane D) Groundnut
 
Answer & Explanation Answer: B) Rice

Explanation:

Fertile alluvial soil sufficient water supply  and optimum temperatures are the reasons behind the high output of paddy here. Also known as the 'Granary of the South', it is located in Tamil Nadu.

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Filed Under: Indian Geography

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Q:

Ethernet uses which topology

A) Star B) Bus
C) Twisted pair D) Both B & C
 
Answer & Explanation Answer: B) Bus

Explanation:

Ethernet uses Bus topology.

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