Questions

Q:

I go in hard. I come out soft. You blow me hard.

What am I?

Answer

Gum.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
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Q:

What molecule is indicated by the letter D?

A) ATP B) Water
C) Glucose D) Oxygen
 
Answer & Explanation Answer: D) Oxygen

Explanation:

Oxygen is the final electron acceptor of cellular respiration.

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Filed Under: Chemistry
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Q:

What is Tri-state logic?

Answer

Three Logic Levels are used and they are High, Low, HIgh impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri-state logic has a third line called enable line.

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Subject: Hardware

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Q:

Meiosis starts with a single diploid cell and produces 4 haploid cells.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

A cell undergo meiosis, and it produces 4 haploid cells from a single diploid cell.


 


Hence, the given statement is true.

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Subject: Biology
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Q:

Is Osmosis Active or Passive?

Answer

Osmosis is the process in which water molecules move from a region of higher water potential to a region of lower potential down a water potential gradient across a partially permeable membrane. It doen't requires any additional energy to do this work. 


So, Osmosis is a Passive.


 


Active and passive transport processes are two ways molecules and other materials move in and out of cells and cross intracellular membranes.


1. Active transport is the movement of molecules or ions against a concentration gradient (from an area of lower to higher concentration), which does not ordinarily occur, so enzymes and energy are required.


2. Passive transport is the movement of molecules or ions from an area of higher to lower concentration. Passive transport occurs because of the entropy of the system, so additional energy isn't required for it to occur.



3. Active transport requires energy to proceed, while passive transport does not require the input of extra energy to occur.

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams
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Q:

The state which topped in creation of new jobs during the six years between 2004 and 2011 as per the latest NSSO data?

Answer

West Bengal

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Q:

"The Law of Kepler" is related with which among the following ?

A) Planetary Motion B) Law of Conservation of energy
C) Law of Gravitation D) None
 
Answer & Explanation Answer: A) Planetary Motion

Explanation:

Kepler's laws of planetary motion are three scientific laws describing the motion of planets around the Sun.

  • Kepler’s three laws of planetary motion can be stated as follows:

(1) All planets move about the Sun in elliptical orbits, having the Sun as one of the foci.

(2) A radius vector joining any planet to the Sun sweeps out equal areas in equal lengths of time.

(3) The squares of the sidereal periods (of revolution) of the planets are directly proportional to the cubes of their mean distances from the Sun.

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Filed Under: Physics
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Q:

The world's oldest annual race has been held without a break since 1897. Name it.

Answer

The Boston Marathon

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