Description : The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses
Last Answer : Answer : A
Description : Which one of the following statements correctly describes eukaryotic DNA? (A) They involve release of pyrophosphate from each nucleotide precussor and Mg2+ (B) The direction of synthesis is (C) They require a primer 5’→ 3’ (D) None of these
Last Answer : Answer : C
Description : Reverse transcriptase activity is present in the eukaryotic: (A) DNA polymerase α (B) DNA polymerase γ (C) Telomerase (D) DNA polymerase II
Description : The eukaryotic genome differs from the prokaryotic genome because (a) the DNA is complexed with histone in prokaryotes (b) the DNA is circular and single stranded in prokaryotes (c) repetitive sequences are present in eukaryotes (d) genes in the former case are organised into operons.
Last Answer : (b) the DNA is circular and single stranded in prokaryotes
Description : All of the following statements about eukaryotic promoters are true except (A) They may be located upstream or down stream from the structural gene (B) They have two consensus sequences ( ... (D) Mutations in promoter region can decrease the efficiency of transcription of the structural gene
Description : All of the following statements about bacterial promoters are true except (A) They are smaller than eukaryotic promoters (B) They have two consensus sequences upstream from the transcription star site (C) ... is the site for attachment of RNA polymerase (D) TATA box has a high melting temperature
Last Answer : Answer : D
Description : Satellite DNA contains (A) Highly repetitive sequences (B) Moderately repetitive sequences (C) Non-repetitive sequences (D) DNA-RNA hybrids
Description : S1 nuclease hydrolyses (A) DNA of somatic cells (B) DNA of sperms (C) Any double stranded DNA (D) Any single stranded DNA
Description : DNA polymerase III holoenzyme possesses (A) Polymerase activity (B) 3’→5’ Exonuclease activity (C) 5’→3’ Exonuclease and polymerase activities (D) 3’→5’ Exonuclease and polymerase activities
Description : DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA
Description : Gastric juice of infants contains (a) pepsinogen, lipase, rennin (b) amylase, rennin, pepsinogen (c) maltase, pepsinogen, rennin (d) nuclease, pepsinogen, lipase
Last Answer : (a) pepsinogen, lipase, rennin
Description : All of the following statements about RNA-dependent DNA polymerase are true except: (A) It synthesizes DNA using RNA as a template (B) It is also known as reverse transcriptase (C) It synthesizes DNA in 5’→3’ direction (D) It is present in all the viruses
Description : When DNA replicated in a cell?
Last Answer : S phase
Description : What will happen when the replicated DNA stand is translated into proteins?
Last Answer : What is the answer ?
Description : Which of the following statements correctly describes the fourth schedule of the Constitution of India? (1) It lists the distribution of powers between the Union and the States. (2) It contains the ... regarding the administration of tribal areas. (4) It allocates seats in the council of states.
Last Answer : (4) It allocates seats in the council of states. Explanation: The fourth schedule of the constitution is about allocation of seats in the council of states. Fourth Schedule [Articles 4(1) and 80( ... allocation of seats in the Rajya Sabha (the upper house of Parliament) per State or Union Territory.
Description : Which of the following statements is not true for retroviruses? (a) DNA is not present at any stage in the life cycle of retroviruses. (b) Retroviruses carry gene for RNA-dependent DNA ... mature retroviruses is RNA. (d) Retroviruses are causative agents for certain kinds of cancer in man.
Last Answer : (a) DNA is not present at any stage in the life cycle of retroviruses
Description : The activities that make up the project are not simple, repetitive acts, such as mowing the lawn, painting the house, washing the car, or loading the delivery truck. a. They are complex b. They are simple c. Different d. Same
Last Answer : a. They are complex
Description : Of the following common problems of the upper extremities, which results from entrapment of the median nerve at the wrist? a) Carpal tunnel syndrome Carpal tunnel syndrome is commonly due to ... syndrome Impingement syndrome is associated with the shoulder and may progress to a rotator cuff tear.
Last Answer : a) Carpal tunnel syndrome Carpal tunnel syndrome is commonly due to repetitive hand activities.
Description : Consider the following features/factors: 1. Projects are of the non-repetitive type 2. Time required need not be known 3. Time required is known precisely 4. Events have been established for planning 5. Emphasis is given to ... and 4 (B) 3, 4 and 5 (C) 1, 3 and 4 (D) 1, 2 and 5
Last Answer : (A) 1, 2 and 4
Description : DNA finger printing is based on the presence in DNA of (A) Constant number of tandem repeats (B) Varibale number of tandem repeats (C) Non-repititive sequences in each DNA (D) Introns in eukaryotic DNA
Last Answer : Answer : B
Description : For production of eukaryotic protein by recombinant DNA technology in bacteria, the template used is (A) Eukaryotic gene (B) hnRNA (C) mRNA (D) All of these
Description : In a Hadoop cluster, what is true for a HDFS block that is no longer available due to disk corruption or machine failure? a)It is lost for ever b)It can be replicated form its alternative locations ... to read it. d)The Mapreduce job process runs ignoring the block and the data stored in it.
Last Answer : It can be replicated form its alternative locations to other live machines.
Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes
Description : The binding of prokaryotic DNA dependent RNA polymerase to promoter sits of genes is inhibited by the antibiotic: (A) Streptomycin (B) Rifamcin (C) Aueromycin (D) Puromycin
Description : Another name for reverse transcriptase is (A) DNA dependent DNA polymerase (B) DNA dependent RNA polymerase (C) RNA dependent DNA polymerase (D) RNA dependent RNA polymerase
Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oneogenes
Description : RNA directed DNA polymerase is (A) Replicase (B) Transcriptase (C) Reversetranscriptase (D) Polymerase–III
Description : DNA directed RNA polymerase is (A) Replicase (B) Transcriptase (C) Reverse transcriptase (D) Polymerase III
Description : The antibiotic which inhibits DNA dependent RNA polymerase is (A) Mitomycin C (B) Actinomycin d (C) Streptomycin (D) Puromycin
Description : In addition to Taq polymerase, polymerase chain reaction requires all of the following except (A) A template DNA (B) Deoxyribonucleoside triphosphates (C) Primers (D) Primase
Description : Optimum temperature of DNA polymerase of T. aquaticus is (A) 30°C (B) 37°C (C) 54°C (D) 72°C
Description : The DNA polymerase commonly used in polymerase chain reaction is obtained from (A) E. coli (B) Yeast (C) T.aquaticus (D) Eukaryotes
Description : Polymerase chain reaction can rapidly amplify DNA sequences of the size (A) Upto 10 kilobases (B) Upto 45 kilobases (C) Upto 100 kilobases(D) Upto 1,000 kilobases
Description : Myeloma cells and lymphocytes can be fused by using (A) Calcium chloride (B) Ethidium bromide (C) Polyethylene glycol (D) DNA polymerase
Description : Xeroderma pigmentosum results from a defect in (A) uvr ABC excinuclease (B) DNA polymerase I (C) DNA ligase (D) All of these
Description : Damage to DNA caused by ultraviolet radiation can be repaired by (A) uvr ABC excinuclease (B) DNA polymerase I (C) DNA ligase (D) All of these
Description : α-Amanitin inhibits (A) DNA polymerase II of prokaryotes (B) DNA polymerase α of eukaryotes (C) RNA polymerase II of eukaryotes (D) RNA-dependent DNA polymerase
Description : Ciprofloxacin inhibits (A) DNA topisomerase II (B) DNA polymerase I (C) DNA polymerase III (D) DNA gyrase
Description : The mammalian DNA polymerase involved in error correction is (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase δ
Description : Primase activity is present in (A) DNA polymerase II (B) DNA polymerase α (C) DNA polymerase β (D) DNA polymerase δ
Description : Replication of nuclear DNA in mammals is catalysed by (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase III
Description : Mammalian DNA polymerase γ is located in (A) Nucleus (B) Nucleolus (C) Mitochondria (D) Cytosol
Description : A mammalian DNA polymerase among the following is (A) DNA polymerase α (B) DNA polymerase I (C) DNA polymerase II (D) DNA polymerase IV
Description : A consensus sequence on DNA, called TATA box, is the site for attachment of (A) RNA-dependent DNA polymerase (B) DNA-dependent RNA polymerase (C) DNA-dependent DNA polymerase (D) DNA topoisomerase II
Description : The termination site for transcription is recognized by (A) α−Subunit of DNA-dependent RNA polymerase (B) β−Subunit of DNA-dependent RNA polymerase (C) Sigma factor (D) Rho factor
Description : The initiation site for transcription is recognized by (A) α−Subunit of DNA-dependent RNA polymerase (B) β−Subunit of DNA-dependent RNA polymerase (C) Sigma factor (D) Rho factor
Description : DNA-dependent RNA polymerase requires the following for its catalytic activity: (A) Mg++ (B) Mn++ (C) Both (A) and (B) (D) None of these
Description : DNA-dependent RNA polymerase is a (A) Monomer (B) Dimer (C) Trimer (D) Tetramer
Description : 3’→5’ Exonuclease activity of DNA polymerase I (A) Removes ribonucleotides (B) Adds deoxyribonucleotides (C) Corrects errors in replication (D) Hydrolyses DNA into mononucleotides
Description : DNA polymerase I possesses (A) Polymerase activity (B) 3’→5’ Exonuclease activity (C) 5’→3’ Exonuclease activity (D) All of these