IIT JEE Practice Question and Answer
8Q: Choose the word which gives similar meaning to the given word from the following options. 'Autopsy' 1686 05b5cc75ee4d2b4197774fcfd
5b5cc75ee4d2b4197774fcfd- 1Diagnosisfalse
- 2Rebuildfalse
- 3Manufacturefalse
- 4Postmortemtrue
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Answer : 4. "Postmortem"
Explanation :
Answer: D) Postmortem Explanation: Autopsy is the medical term for postmortem.
Q: The ability to do work is called Energy. 1685 05b5cc6a4e4d2b4197774cc5f
5b5cc6a4e4d2b4197774cc5f- 1TRUEtrue
- 2FALSE Answer & Explanation Answer:false
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Answer : 1. "TRUE"
Explanation :
Answer: A) TRUE Explanation: Yes, the ability to do work is called Energy is True.
Q: What can go up a chimney down, but cannot go down a chimney up? 1685 05b5cc645e4d2b4197774bba9
5b5cc645e4d2b4197774bba9- Show AnswerHide Answer
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Answer :
Explanation :
An Umbrella. Yes, when it is open it can't be fit under a chimney but when it is closed it can be fit down a chimney.
Q: Choose the synonym of 'Hypothesis' from the following options ? 1685 05b5cc75ee4d2b4197774fcd9
5b5cc75ee4d2b4197774fcd9- 1Theorytrue
- 2Fascinationfalse
- 3Complexityfalse
- 4Fallingfalse
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Answer : 1. "Theory"
Explanation :
Answer: A) Theory Explanation: 'Hypothesis' is a word that gives a brief explanation of the concepts based on the limited evidence. The word 'theory' is closest in meaning to it.
Q: What is the interest rate per annum, if a sum of money invested at compound interest amount to Rs. 2400 in 3 years and in 4 years to Rs. 2,520? 1684 05b5cc68be4d2b4197774c38a
5b5cc68be4d2b4197774c38a- 13.5%false
- 24%false
- 35%true
- 46.5%false
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Answer : 3. "5%"
Explanation :
Answer: C) 5% Explanation: Let 'R%' be the rate of interest From the given data, 25202400 = 1 + R10041 + R1003⇒1 + R100 = 6360⇒R = 5 Hence, the rate of interest R = 5% per annum.
Q: Find the sum of the Arithmetic Series upto 36 terms 2, 5, 8, 11,... 1683 15b5cc6afe4d2b4197774d259
5b5cc6afe4d2b4197774d259- 13924false
- 21962true
- 31684false
- 41452false
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Answer : 2. "1962"
Explanation :
Answer: B) 1962 Explanation: Arithmetic Series :: An Arithmetic Series is a series of numbers in which each term increases by a constant amount. How to find the sum of the Arithmetic Sequence or Series for the given Series :: When the series contains a large amount of numbers, its impractical to add manually. You can quickly find the sum of any arithmetic sequence by multiplying the average of the first and last term by the number of terms in the sequence. That is given by Sn = n(a1 + an)2 Where n = number of terms, a1 = first term, an = last term Here Last term is given by an = a1 + n-1d where d = common difference Now given Arithmetic Series is 2, 5, 8, 11,... Here a1 = 2, d = 3, n = 36 Now, an= a1 + n - 1d a36= 2 + 36 - 13 = 105 + 2 = 107 Now, Sum to 36 terms is given by S36 = 36(2 + 107)2 = 36 x 1092 = 39242 = 1962 Therefore, Sum to 36 terms of the series 2, 5, 8, 11,... is 1962.
Q: What stops one branch of government from becoming too powerful? 1683 05b5cc6b1e4d2b4197774d350
5b5cc6b1e4d2b4197774d350- 1State governmentsfalse
- 2Every 4 years of President electionfalse
- 3Members of congressfalse
- 4Checks and Balancestrue
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Answer : 4. "Checks and Balances"
Explanation :
Answer: D) Checks and Balances Explanation: A procedure or method called Checks and Balances stops one branch of government from becoming too powerful. In the United States, there are three branches of government: The Executive, Legislative, and Judicial. Each has its own responsibilities and at the same time they work together to make the country run smoothly and to assure that the rights of citizens are not ignored or disallowed. There is a clear separation of powers between them. Checks and Balances limit the power within each branch. Each branch can stop and/or override processes within other branches in manners that are outlined in federal laws, regulations, and the constitution. This way, their powers are balanced because the branches of government have the responsibility to check each other.
Q: Floridian starch is characteristic energy storage material of which algae? 1683 05b5cc619e4d2b4197774b747
5b5cc619e4d2b4197774b747- 1Blue green algaefalse
- 2Brown algaefalse
- 3Red algaetrue
- 4Green algaefalse
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Answer : 3. "Red algae"
Explanation :
Answer: C) Red algae Explanation: The floridian starch is reserve food materials in the red algae or the members of class Rhodophytae. It is a characteristic feature of this group.

