CAT Practice Question and Answer
8Q: Which statement best describes an igneous intrusion? 1522 05b5cc6a8e4d2b4197774cea2
5b5cc6a8e4d2b4197774cea2- 1Igneous intrusion for when ice crystals splash into lavafalse
- 2Magma is injected into surrounding rock forming an igneous intrusivetrue
- 3Magma is exported to an open area and forms ironfalse
- 4Magma explodes to the surface and forms a smooth outer layer of rockfalse
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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 man can row against the current three fourth of a kilometer in 15 min and returns same distance in 10 min, then ratio of his speed to that of current? 2763 05b5cc6a8e4d2b4197774ce95
5b5cc6a8e4d2b4197774ce95- 15:1true
- 23:1false
- 34:1false
- 42:1false
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Answer : 1. "5:1"
Explanation :
Answer: A) 5:1 Explanation: Let the speed of the man in still water = p kmph Speed of the current = s kmph Now, according to the questions (p + s) x 10 = (p - s) x 15 2p + 2s = 3p - 3s => p : s = 5 : 1 Hence, ratio of his speed to that of current = 5:1.
Q: Which of the following pairs is mismatched? 2629 05b5cc6a8e4d2b4197774ce8b
5b5cc6a8e4d2b4197774ce8b- 1Pila globosa - pearltrue
- 2Kenia lacca - lacfalse
- 3Apis indica - honeyfalse
- 4Bombyx mori - silkfalse
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Answer : 1. "Pila globosa - pearl"
Explanation :
Answer: A) Pila globosa - pearl Explanation: Pinctada vulgaris is a bivalve from which pearl is obtained.
Q: Which of the following is not a polymer? 2174 05b5cc6a8e4d2b4197774ce90
5b5cc6a8e4d2b4197774ce90- 1DNAfalse
- 2Glucosetrue
- 3Starchfalse
- 4Cellulosefalse
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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: Which of the following is generally true about the stratosphere? 2209 05b5cc6a8e4d2b4197774ce80
5b5cc6a8e4d2b4197774ce80- 1It is very drytrue
- 2It is very moistfalse
- 3The dryness level varies with the seasonfalse
- 4The dryness level varies with the moon cyclefalse
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Answer : 1. "It is very dry"
Explanation :
Answer: A) It is very dry Explanation: The stratosphere layer of the atmosphere is very dry.
Q: abcdefghijklmnopqrstuvwxyz Riddle What sentence contains all abcdefghijklmnopqrstuvwxyz? 1295 05b5cc6a8e4d2b4197774ce85
5b5cc6a8e4d2b4197774ce85- Show AnswerHide Answer
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Answer :
Explanation :
The Quick Brown Fox Jumped Over The Lazy Dog is the sentence which contains all 26 alphabets i.e, from a to z.
Q: Which among the following is NOT a function of RBI? 14177 05b5cc6a8e4d2b4197774ce86
5b5cc6a8e4d2b4197774ce86- 1Serve as debt manager to other bankstrue
- 2To work as monetary authority and implement its Monetary Policyfalse
- 3Serve as banker to central and state governmentsfalse
- 4To serve as issuer of bank notesfalse
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Answer : 1. "Serve as debt manager to other banks"
Explanation :
Answer: A) Serve as debt manager to other banks Explanation: Serve as debt manager to other banks is not a function of RBI Bank.
Q: Which of the following statements is most accurate regarding infection with parvovirus B19? 2427 05b5cc6a8e4d2b4197774ce76
5b5cc6a8e4d2b4197774ce76- 1Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursorstrue
- 2Parvovirus B19 can cause hydrops fetalis via transplacental infection of a fetus in a seropositive motherfalse
- 3Parvovirus B19 can be diagnosed by detection of viral RNA using PCR or hybridization assaysfalse
- 4Parvovirus B19 replicates in the host cell nucleus utilizing a virally encoded DNA polymerase to create a double- stranded DNA intermediatefalse
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Answer : 1. "Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors"
Explanation :
Answer: A) Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors Explanation: Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors. a. Parvovirus B19 binds preferentially to the erythrocyte blood group P antigen on erythroid precursor cells. Answers B, C, D are incorrect: b. after entry the single-stranded viral DNA genome is transported to the cell nucleus where the host DNA polymerase synthesizes the complimentary DNA strand. c. Parvovirus B19 infection can be diagnosed by direct detection of viral DNA not RNA. d. the fetus of a seropositive mother is protected from infection by maternal circulating antibodies.