CAT Practice Question and Answer

Q: Which of the following uses a Non Renewable Energy Source? 1880 1

  • 1
    Wind Mill Power Plant
    Correct
    Wrong
  • 2
    Hydro Electric Plant
    Correct
    Wrong
  • 3
    Nuclear Power Plant
    Correct
    Wrong
  • 4
    Tidal Power Plant
    Correct
    Wrong
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Answer : 3. "Nuclear Power Plant"
Explanation :

Answer: C) Nuclear Power Plant Explanation: Nuclear Power Plant uses a Non Renewable Energy Source.   Non-renewable energy is that source of energy which can not be used again and again. This sort of energy is sustainable to exhaustion. Non renewable energy is that form of energy which is subject to deletion. This type of energy is of many uses to us. It can be used to produce electricity, heating, cooking, transportation and manufacturing. 85% of the energy used in the industrial processes is form the non-renewable type of energy.

Q: How many Nucleotides make up a Codon? 1880 0

  • 1
    3
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "3"
Explanation :

Answer: A) 3 Explanation: 3 Nucleotides make up a Codon.  The nucleotide triplet that encodes an amino acid is called a codon. Each group of three nucleotides encodes one amino acid.

Q: What are the sides of the dna ladder made of 1880 0

  • 1
    nitrates and sugars
    Correct
    Wrong
  • 2
    sugars and hydrates
    Correct
    Wrong
  • 3
    sugars and phosphates
    Correct
    Wrong
  • 4
    phosphates and nitrates
    Correct
    Wrong
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Answer : 3. "sugars and phosphates"
Explanation :

Answer: C) sugars and phosphates Explanation: DNA is a double-stranded molecule twisted into a helix. The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.

Q: What interests you about the position offered? 1880 0

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Answer :
Explanation :

A seemingly simple question that is often difficult to answer, it can result in a great interview going disastrously wrong. Here "What interests you about the position offered?" is a problematic question for anyone, even the most prepared interview candidate. It is one of those questions that might decide between selected individuals who have the same qualifications and experience. When asked "what about this job interests you", the interviewer wants to know why you decided to apply specifically for this job and why do you consider this position fitting you and your career plans. The best bet is to take the most important element of the said job and talk about it. For example if the job requires effective team work capabilities, you may construct your answer in this way: Question: What is the 'thing' that interests you about this job? Answer: One of the things that are of my best interests in this job is the opportunity to work in a team environment. I always wanted to work with hard-working, professional, experienced people. I love contributing the team effort, bringing out the best in myself and in my teammates for fulfilling our work goals and reaching top results. I trust that I can perform great by applying sound principles of teamwork as I did in my previous jobs. I seek timely and consistent feedback designed to improve not only my performance as well but the team’s performance as well. I consult with people, try my best and treat everyone positively/equally.   Tips to follow while answering this question :: 1. Be Specific 2. Be Truthful 3. Be Real

Q: Two trains are running at 60 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 6 seconds. What is the length of the fast train ? A. 6623 mts B. 6632 mts C.6345 mts D. 6354 mts 1879 0

  • 1
    Option A
    Correct
    Wrong
  • 2
    Option B
    Correct
    Wrong
  • 3
    Option C
    Correct
    Wrong
  • 4
    Option D
    Correct
    Wrong
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Answer : 1. "Option A"
Explanation :

Answer: A) Option A Explanation: As Trains are moving in same direction, Relative Speed = 60-20 = 40 kmph --> 40×518=1009 m/sec   Length of Train= Speed * Time   Length = 1009×6 ⇒2003=6623 mts

Q: Which statement best describes an igneous intrusion? 1879 0

  • 1
    Igneous intrusion for when ice crystals splash into lava
    Correct
    Wrong
  • 2
    Magma is injected into surrounding rock forming an igneous intrusive
    Correct
    Wrong
  • 3
    Magma is exported to an open area and forms iron
    Correct
    Wrong
  • 4
    Magma explodes to the surface and forms a smooth outer layer of rock
    Correct
    Wrong
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Answer : 2. "Magma is injected into surrounding rock forming an igneous intrusive"
Explanation :

Answer: B) Magma is injected into surrounding rock forming an igneous intrusive Explanation: Magma is injected into surrounding rock forming an igneous intrusive.   Actually it is a plutonic formation in which magma present beneath Earth surface deforms the shape of rocks present above it

Q: A is sister of B who is mother of C who is mother of D. E is the grand mother of D. Then how C is related to E ? 1879 0

  • 1
    Sister
    Correct
    Wrong
  • 2
    Daughter
    Correct
    Wrong
  • 3
    Mother
    Correct
    Wrong
  • 4
    Daughter-in-law
    Correct
    Wrong
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Answer : 4. "Daughter-in-law"
Explanation :

Answer: D) Daughter-in-law Explanation:         GM    GMA ---- B ---- E         |         |         C         |         |         D (Grand son or daughter)

Q: Evaluate : 3.392-2.6123.39-2.69? 1879 0

  • 1
    3
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 3. "6"
Explanation :

Answer: C) 6 Explanation:   It is in the form of a2-b2a-b = a+ba-ba-b = a+b   Here a = 3.39   b = 2.61     = 3.39 + 2.61 = 6.

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