Practice Question and Answer

Q: What is a product in a chemical reaction? 2417 0

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Answer :
Explanation :

In chemistry, a product is a substance that is formed as the result of a chemical reaction. In a reaction, starting materials called reactants and the ending materials are called products.

Q: Statement coverage will not check for the following 34560 0

  • 1
    Dead Code
    Correct
    Wrong
  • 2
    Unused Statement
    Correct
    Wrong
  • 3
    Missing Statements
    Correct
    Wrong
  • 4
    Unused Branches
    Correct
    Wrong
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Answer : 3. "Missing Statements"
Explanation :

Answer: C) Missing Statements Explanation: Statement coverage is a white box test design technique which involves execution of all the executable statements in the source code at least once. It is used to calculate and measure the number of statements in the source code which can be executed given the requirements.

Q: The law of increasing opportunity costs states that 2249 0

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    along a production possibilites curve, increases in the production of one good make the production of that good easier and easier
    Correct
    Wrong
  • 2
    increases in wages cause increases in the costs of production
    Correct
    Wrong
  • 3
    costs of production increases and then decreases
    Correct
    Wrong
  • 4
    along a production possibilities curve, increases in the production of one good require larger and larger sacrifices of the other good
    Correct
    Wrong
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Answer : 4. "along a production possibilities curve, increases in the production of one good require larger and larger sacrifices of the other good"
Explanation :

Answer: D) along a production possibilities curve, increases in the production of one good require larger and larger sacrifices of the other good Explanation: Opportunity cost is the cost of what you are giving up to do what you are currently doing. If you can either go to work or go to the beach, and you choose to work, the opportunity cost of working is the value you would have gotten had you gone to the beach.   The law of increasing opportunity costs states that as you increase production of one good, the opportunity cost to produce an additional good will increase.

Q: Which of the following is a micro nutrient? 3820 0

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    Mg
    Correct
    Wrong
  • 2
    Cl
    Correct
    Wrong
  • 3
    P
    Correct
    Wrong
  • 4
    Ca
    Correct
    Wrong
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Answer : 2. "Cl"
Explanation :

Answer: B) Cl Explanation: The micronutrients (or trace minerals): boron (B), chlorine (Cl), manganese (Mn), iron (Fe), zinc (Zn), copper (Cu), molybdenum (Mo), nickel (Ni). and cobalt (Co).

Q: What is the defining right of a representative democracy? 2726 0

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    the right to vote
    Correct
    Wrong
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    the right to freedom of speech
    Correct
    Wrong
  • 3
    the right to petition the government
    Correct
    Wrong
  • 4
    the right to freedom of religion
    Correct
    Wrong
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Answer : 1. "the right to vote"
Explanation :

Answer: A) the right to vote Explanation: The defining right of a representative democracy is the ability to vote for representatives to make decisions on their behalf.   In democratic government, elections are held regularly, in which voters vote for someone who will serve in the levels of local, state, and federal government.

Q: Which word in the dictionary is spelled incorrectly? 2004 0

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Answer :
Explanation :

Incorrectly is the only word which is spelled incorrectly in the dictionary.

Q: What belongs to you but is used more by others? 1377 0

  • 1
    Clothes
    Correct
    Wrong
  • 2
    Cosmetics
    Correct
    Wrong
  • 3
    Shoes
    Correct
    Wrong
  • 4
    Name
    Correct
    Wrong
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Answer : 4. "Name"
Explanation :

Answer: D) Name Explanation: Yep! It's your NAME that belongs to you but is used more by others than you.

Q: What does the Aufbau Principle state 1761 0

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    Electrons will be added to an atom starting from the lowest possible level or sublevel.
    Correct
    Wrong
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    Electrons will be added to an atom only if the orbitals are different colors.
    Correct
    Wrong
  • 3
    Electrons will be added to an atom in a random order.
    Correct
    Wrong
  • 4
    Electrons will be added to an atom in a symmetrical manner.
    Correct
    Wrong
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Answer : 1. "Electrons will be added to an atom starting from the lowest possible level or sublevel."
Explanation :

Answer: A) Electrons will be added to an atom starting from the lowest possible level or sublevel. Explanation: The Aufbau Principle states that in the ground state of an atom, an electron enters the orbital with lowest energy first and subsequent electrons are fed in the order of increasing energies.

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