IIT JEE Practice Question and Answer
8Q: Where does translation occur? 1611 05b5cc639e4d2b4197774ba67
5b5cc639e4d2b4197774ba67- 1Nucleusfalse
- 2Ribosomesfalse
- 3Cytoplasmtrue
- 4mitochondrionfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Cytoplasm"
Explanation :
Answer: C) Cytoplasm Explanation: Right after that, the mRNA enters the cytoplasm through nuclear pores. There, it could be translated into proteins by ribosomes. This process is called translation. Translation occurs in the cytoplasm whereas transcription occurs in the nucleus.
Q: A disaccharide is formed by the chemical bonding of 1611 05b5cc63de4d2b4197774bad9
5b5cc63de4d2b4197774bad9- 1two monosaccharidestrue
- 2two polysaccharidesfalse
- 3one monosaccharide and one polysaccharidefalse
- 4All the abovefalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "two monosaccharides"
Explanation :
Answer: A) two monosaccharides Explanation: Disaccharides are formed when two monosaccharides join together by the dehydration synthesis reaction resulting in a glycosidic bond between the two monosaccharide molecules. The reaction produces water as a side product.
Q: Which of the following does not occur during Mitosis? 1611 05b5cc6abe4d2b4197774cfdb
5b5cc6abe4d2b4197774cfdb- 1spindle formationfalse
- 2condensation of the chromosomesfalse
- 3breakdown of the nuclear membranefalse
- 4replication of the DNAtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "replication of the DNA"
Explanation :
Answer: D) replication of the DNA Explanation: Replication of the DNA does not occur during Mitosis.
Q: If 25% of a number is subtracted from a second number, the second number reduces to its four-sixth. What is the ratio of the first number to the second number ? 1611 05b5cc6dee4d2b4197774ea46
5b5cc6dee4d2b4197774ea46- 14:3true
- 22:3false
- 33:2false
- 45:3false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "4:3"
Explanation :
Answer: A) 4:3 Explanation: Let the numbers be p & q q-p/4 = 4q/6 => q-4q/6 = p/4 => 2q/6 = p/4 => p/q = 4/3
Q: In a joint family, there are 24 members whose age is decreased by 4 months, when one girl aged 24 years is replaced by a new boy. Find the age of the new boy ? 1610 05b5cc6c5e4d2b4197774dd73
5b5cc6c5e4d2b4197774dd73- 118 yearsfalse
- 212 yearsfalse
- 315 yearsfalse
- 416 yearstrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "16 years"
Explanation :
Answer: D) 16 years Explanation: Age of new boy = (Age of moved girl) – (Number of family members × Decreased in average) = 24 – 24×4/12 = 24 – 8 = 16 years.
Q: Calender Puzzle 1610 05b5cc6d5e4d2b4197774e629
5b5cc6d5e4d2b4197774e629- 1Afalse
- 2Bfalse
- 3Cfalse
- 4Dtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "D"
Explanation :
Answer: D) D Explanation: We can't determine the last day of the next month which has 31 days because we don't know the days in present month which may be 30 or 31. And the next month may be March which contains 31 days which implies that the present month may be February which contains 28 or 29 days.
Q: "Confederation Cup" is associated with which of the following game? 1610 05b5cc6b3e4d2b4197774d419
5b5cc6b3e4d2b4197774d419- 1Hockeyfalse
- 2Badmintonfalse
- 3Chessfalse
- 4Footballtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "Football"
Explanation :
Answer: D) Football Explanation:
Q: In following number series only one number is wrong. Find out that wrong or odd number in the series? 6, 78, 858, 7722, 54055, 270270 1610 05b5cc6bce4d2b4197774d8bb
5b5cc6bce4d2b4197774d8bb- 1270270false
- 254055true
- 37722false
- 4858false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "54055"
Explanation :
Answer: B) 54055 Explanation: Here the given series follows a pattern that, multiplying the number with odd numbers in decreasing order starting with 13. That is, 6 × 13 = 78 65 × 11 = 858 858 × 9 = 7722 7722 × 7 = 54054 54054 × 5 = 270270 Hence, the wrong number is 54055

