IIT JEE Practice Question and Answer
8Q: Which of the following is not a polymer? 2302 05b5cc6a8e4d2b4197774ce90
5b5cc6a8e4d2b4197774ce90- 1DNAfalse
- 2Glucosetrue
- 3Starchfalse
- 4Cellulosefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Glucose"
Explanation :
Answer: B) Glucose Explanation: Since A polymer is a large molecule, or macromolecule, composed of many repeated subunits. Glucose is not a polymer.
Q: Pride is to lion as shoal is to 2301 05b5cc6a2e4d2b4197774cb42
5b5cc6a2e4d2b4197774cb42- 1Fishtrue
- 2Schoolfalse
- 3Deerfalse
- 4Plantsfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Fish"
Explanation :
Answer: A) Fish Explanation: Given Pride is to lion as shoal is to ?. Pride means a group of lions. Similarly, Shoal means a group of fish swimming. Here the other options have no relation with the given word in that manner. Hence, Pride is to Lion as Shoal is to Fish.
Q: The longest period of prenatal development is the 2300 05b5cc688e4d2b4197774c33b
5b5cc688e4d2b4197774c33b- 1Germinal periodfalse
- 2Fetal periodtrue
- 3Embryonic periodfalse
- 4Nonefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Fetal period"
Explanation :
Answer: B) Fetal period Explanation: The third and longest period of prenatal development, extending from the ninth week until birth is Fetal period. The process of prenatal development occurs in three main stages. The first two weeks after conception are known as the germinal stage, the third through the eighth week are known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.
Q: One type of liquid contains 25 % of benzene, the other contains 30% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the second liquid. Find the percentage of benzene in the new mixture. 2299 05b5cc75ee4d2b4197774fcc0
5b5cc75ee4d2b4197774fcc0- 127 %true
- 226 %false
- 329 %false
- 421 %false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "27 %"
Explanation :
Answer: A) 27 % Explanation: Let the percentage of benzene = X(30 - X)/(X- 25) = 6/4 = 3/2 => 5X = 135 X = 27 So, required percentage of benzene = 27 %
Q: What has to be broken before you can use or eat it? 2299 05b5cc645e4d2b4197774bbf0
5b5cc645e4d2b4197774bbf0- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer :
Explanation :
Egg. Egg is to be broken if we want to use or eat it.
Q: Assertion( 2298 05b5cc758e4d2b4197774fbd5
5b5cc758e4d2b4197774fbd5- 1: Most of the Himalayan rivers are perennial.Reason(R) : They are fed by melting snow. A) R correctly explains Atrue
- 2R is true but A is falefalse
- 3A is true but R is falsefalse
- 4A) R correctly explains A B) R is true but A is fale C) A is true but R is false D)false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. ": Most of the Himalayan rivers are perennial.Reason(R) : They are fed by melting snow.
A) R correctly explains A"
Explanation :
Answer: A) R correctly explains A Explanation: Most Himalayan rivers are perennial because they are fed by the melting snow throughout the year.Thus, both A and R are true & R correctly explains A.
Q: Which of the following is NOT a constitutional body? 2298 05b5cc6a8e4d2b4197774ceb6
5b5cc6a8e4d2b4197774ceb6- 1National Advisory Counciltrue
- 2Law Commissionfalse
- 3Election Commissionfalse
- 4Finance Commissionfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "National Advisory Council"
Explanation :
Answer: A) National Advisory Council Explanation: National Advisory Council is NOT a constitutional body. The National Advisory Council (NAC) of India was an advisory body set up by the first United Progressive Alliance (UPA) government to advise the Prime Minister of India.
Q: In how many ways the letters of the word NUMERICAL can be arranged so that the consonants always occupy the even places ? 2298 05b5cc6cde4d2b4197774e1e0
5b5cc6cde4d2b4197774e1e0- 15!false
- 26!false
- 34!false
- 4Can't determinetrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Can't determine"
Explanation :
Answer: D) Can't determine Explanation: NUMERICAL has 9 positions in which 2, 4, 6, 8 are even positions. And it contains 5 consonents i.e, N, M, R, C & L. Hence this cannot be done as 5 letters cannot be placed in 4 positions. Therefore, Can't be determined.

