NET JRF sample Paper 4A

Microfilaments are also called as        F-ActinG-actinH-ActinTroponin This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  50.0 {2 correct of 4 attempted} Difficulty level: Medium (Multiple Choice Question) Kinesin is said to be _______ end directed microtubular motor.        plusminusbothnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  0.0 {0 correct of 2 attempted} Difficulty level: Hard (Multiple Choice Question) Structures & materials travelling from cell body towaqrds the terminals of a neuron are said to move in an ___________ direction.        AnterogradeRetrogradebothnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  33.0 {1 correct of 3 attempted} Difficulty level: Medium (Multiple Choice Question) Which end of the microtubule is fast growing end?        MinusPlusbothnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) Which of the following forms triskelions?        cadherinsselectinsclathrinintegrin This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  50.0 {1 correct of 2 attempted} Difficulty level: Medium (Multiple Choice Question) The membrane that bound the vacuole is called        Cell membraneTonoplastCell wallnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) The pH of a lysosomal compartment is        44.655.6 This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  20.0 {1 correct of 5 attempted} Difficulty level: Hard (Multiple Choice Question) What is the voltage produced by the combined effort of PSI & PSII?        4 V3 V2 V1 V This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  0.0 {0 correct of 1 attempted} Difficulty level: Hard (Multiple Choice Question) ______________ & _____________ are produced during light reaction.        ATPADPNADPHBoth a & c This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) PEP Carboxylase is found in C4 plants & _________ plants        C3CAMBothNone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {4 correct of 4 attempted} Difficulty level: Easy (Multiple Choice Question) What is the significance of PEP Carboxylase in C4 plants?        it can operate at very low CO2 concentrationit operates at very low O2 concentrationit operates at very low water concentrationit operates at very high CO2 concentration This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  33.0 {1 correct of 3 attempted} Difficulty level: Medium (Multiple Choice Question) What is the distance between tubulin dimers in a protofilament?        8nm7nm6nm5nm This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  33.0 {1 correct of 3 attempted} Difficulty level: Medium (Multiple Choice Question) What is the molecular weight of cytoplasmic dyenin?        0.5 million Daltons1.0 million Daltons1.5 million daltons2.0 million Daltons This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {2 correct of 2 attempted} Difficulty level: Easy (Multiple Choice Question) Which component of microtubule is critical in its nucleation?        alphabetagammadelta This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  0.0 {0 correct of 1 attempted} Difficulty level: Hard (Multiple Choice Question) Microfilaments are made up of        ActinMyosinCollagenTroponin This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) The counter part of TIM-TOM complex in chloroplast is called as        TIM complexTOM complexTic complexTic Toc complex This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  60.0 {3 correct of 5 attempted} Difficulty level: Medium (Multiple Choice Question) TIM-TOM complex is found in the ___________ portion of the mitochondria        Intermembrane spaceInner membraneOuter membraneboth b & c This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {4 correct of 4 attempted} Difficulty level: Easy (Multiple Choice Question) The N terminal sequence of a polypeptide which targets it to the sub cellular organelles are called as        Transfer peptideTransit peptideTravelling peptidenone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  60.0 {3 correct of 5 attempted} Difficulty level: Medium (Multiple Choice Question) The full form of hsp is        Height shock proteinHeat shock proteinHeat sensitive proteinHeight sensitive protein This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) which of the following is a function of hsp?        it acts as draught resistance proteinIt helps in folding of proteinsbothnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  40.0 {2 correct of 5 attempted} Difficulty level: Medium (Multiple Choice Question) ______________ is a waste product of plant cells & is stored in vacuoles having clinical value        DigitalisIAARubiscoAcid hydrolases This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  50.0 {2 correct of 4 attempted} Difficulty level: Medium (Multiple Choice Question) Lysosomal enzymes contains ___________ mannose residues as recognition signal.        PhosphorylatedNon phosphorylatedHydroxylatedNon hydroxylated This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  25.0 {1 correct of 4 attempted} Difficulty level: Hard (Multiple Choice Question) Which portion of Golgi network is involved in Protein sorting?        CisTransMiddleTerminal This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  25.0 {1 correct of 4 attempted} Difficulty level: Hard (Multiple Choice Question) _____________ in Ca2+ concentration leads to disassembly of microtubules.        ElevationDepressionbothnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  40.0 {2 correct of 5 attempted} Difficulty level: Medium (Multiple Choice Question) What is photoinhibition?        damage to PSIIdamage to PSIbothnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  25.0 {1 correct of 4 attempted} Difficulty level: Hard (Multiple Choice Question) Why Photosystems I is also called as reaction centre P700?        because it absorbs more strongly at 700nm of the spectrumit reflects 700nm of lightbothnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) Meiosis is also called as        Equal divisionsegregation divisionReduction divisionNone This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) The end of prophase is marked by _____________ of ____________________        Fragmentation , Nuclear envelopeSeggregation , NucleoplasmFragmentation, ChromosomeSegregation, Chromosome This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  60.0 {3 correct of 5 attempted} Difficulty level: Medium (Multiple Choice Question) The arrangement of asteric spindle is also called as ______________ arrangement        SunburstSunriseSunsetStar This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  25.0 {1 correct of 4 attempted} Difficulty level: Hard (Multiple Choice Question) _____________ is characterised by the preparation of chromosomes for seggregation & the assembly of the machinery required for chromosome movement.        ProphaseMetaphaseAnaphaseTelophase This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  0.0 {0 correct of 5 attempted} Difficulty level: Hard (Multiple Choice Question) The activities that control cell cycle are focussed primarily at 2 points- the transition between ____________ & ____________ and between ____________ & ________        G1 & S, G2 & MGo & G1, G1 & G2G1 & S, S & G2,G2 & M, M & Go This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  60.0 {3 correct of 5 attempted} Difficulty level: Medium (Multiple Choice Question) The rise in cyclin concentration has the following efffect on Kinases.        Inhibits kinasesActivates kinasesRegulates kinasesNone This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  75.0 {3 correct of 4 attempted} Difficulty level: Easy (Multiple Choice Question) The catalytic subunit of MPF has the ability to transfer phosphate        To ADPFrom ATPTo NADFrom NADP This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  60.0 {3 correct of 5 attempted} Difficulty level: Medium (Multiple Choice Question) The regulatory subunit of MPF is also called as        CyclineCyclinCylineCyclin Phosphate This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  75.0 {3 correct of 4 attempted} Difficulty level: Easy (Multiple Choice Question) MPF consists of ___________ subunits        1234 This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {3 correct of 3 attempted} Difficulty level: Easy (Multiple Choice Question) The entry of a cell in M-Phase is initiated by        MPKMPFMFPMKP This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {4 correct of 4 attempted} Difficulty level: Easy (Multiple Choice Question) Meiosis occurs in        Somatic cellsHybrid cellsGerm cellsNone This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) The cancerous cells has ______________ type of division        ControlledSequentialUncontrolledMetastatic This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) Arrangement of chromosomes occurs in ____________ during metaphase.        Cell plateTissue plateMetaphasic platepoles This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) Photosystems II is also called as reaction centre        P680P700P660P720 This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {4 correct of 4 attempted} Difficulty level: Easy (Multiple Choice Question) Caroteinoids reflect ________, ____________ & ___________ region of the spectrum        yellow, orange, redyellow, blue, redyellow, violet, orangenone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  100.0 {4 correct of 4 attempted} Difficulty level: Easy (Multiple Choice Question) Caroteinoids absorb in ________ & ___________ region of the spectrum        bluegreenbothnone This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  33.0 {1 correct of 3 attempted} Difficulty level: Medium (Multiple Choice Question) Why leaves appear green in colour?        because they absorb blue lightbecause they absorb red lightbecause they reflect green lightall This question is available in 1 more question paper  Marks:  2 Category:   Cell organelle  Pass %:  33.0 {1 correct of 3 attempted} Difficulty level: Medium (Multiple Choice Question) Phosphorylation of which histone is required for chromosome compaction?        H1H2H3H4 This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  33.0 {1 correct of 3 attempted} Difficulty level: Medium (Multiple Choice Question) The cell cycle is divided into        M & C PhaseM & S PhaseM & G PhaseInterphase & M Phase This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) Which end of the microtubule looses subunits?        PlusMinusBothNone This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  50.0 {2 correct of 4 attempted} Difficulty level: Medium (Multiple Choice Question) The ___________ end of the microtubule joins the kinetochore.        PlusMinusBothNone This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  60.0 {3 correct of 5 attempted} Difficulty level: Medium (Multiple Choice Question) The word 'mitos' means        ropewoolthreadtube This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {4 correct of 4 attempted} Difficulty level: Easy (Multiple Choice Question) The name mitosis has been derived from        LatinGermanGreekEnglish This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  100.0 {5 correct of 5 attempted} Difficulty level: Easy (Multiple Choice Question) Who gave the concept of check points?        Leland Hartwell & Ted WeinertRay & HopkinsLeland hartwellTed weinert This question is available in 1 more question paper  Marks:  2 Category:   Cell Division  Pass %:  0.0 {0 correct of 2 attempted} Difficulty level: Hard