Description : Given below is a sample of a portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5′ _____ GAATTC _____ 3′ 3′ _____ CTTAAG _____ 5′ (a) ... completed (b) Deletion mutation (c) Start codon at the 5′ end (d) Palindromic sequence of base pairs
Last Answer : (d) Palindromic sequence of base pairs
Description : Which one of the following represents a palindromic sequence in DNA? (a) 5′ - GAATTC - 3′ (b) 5′ - CCAATG - 3′ 3′ - CTTAAG - 5′ 3′ - GAATCC - 5′ (c) 5′ - CATTAG - 3′ (d) 5′ - GATACC - 3′ 3′ - GATAAC - 5′ 3′ - CCTAAG - 5′
Last Answer : (a) 5′ - GAATTC - 3′ 5′ - CCAATG - 3′ 3′ - CTTAAG - 5′
Description : The specific palindromic sequence which is recognised by EcoRI is (a) 5′ - GAATTC - 3′ (b) 5′ - GGAACC - 3′ 3′ - CTTAAG - 5′ 3′ - CCTTGG - 5′ (c) 5′ - CTTAAG - 3′ (d) 5′ - GGATCC - 3′ 3′ - GAATTC - 5′ 3′ - CCTAGG - 5′.
Last Answer : (a) 5′ - GAATTC - 3′
Description : Which complementary sequence would NOT be recognized by a restriction endonucLease? a. GAATTC CTTAAG b. AAGCTT TTCGAA c. GTCGAC CAGCTG d. AATTCCTTAAGG
Last Answer : d. AATTCCTTAAGG
Description : 1. This palindromic sequence GAATTC is recognised by the RE CTTAAG a) BamH I b) Sal I c) EcoRI d) Hind III
Last Answer : c) EcoRI
Description : In eukaryotes, mRNA is synthesised with the aid of
Last Answer : In eukaryotes, mRNA is synthesised with the aid of A. RNA polymerase 3 B. RNA polymerase 2 C. RNA polymerase 1 D. Reverse transcriptase
Description : A mRNA of eukaryotes can code for (A) Only one polypeptide (B) Two polypeptides (C) Three polypeptides (D) Five polypeptides
Last Answer : Answer : A
Description : A polycistronic mRNA can be seen in (A) Prokaryotes (B) Eukaryotes (C) Mitochondria (D) All of these
Description : RNA transcription is more complex in eukaryotes because it is first made as a primary RNA transcript that contains intron and exon sequences. What kind of modification must occur to produce a mature mRNA?
Last Answer : RNA splicing. Introns must be removed and exons are spliced together to form a mature RNA transcript.
Description : Non-coding sequence are present in the genes of (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these
Last Answer : Answer : C
Description : Which of the following sequences has helped in identifying eukaryotes, eubacteria and A- Signature sequence B- Signal sequence C- Shine-Dalgarno sequence D- Amino acid sequence
Last Answer : Signature sequence
Description : Which of the following sequences has helped in identifying eukaryotes, eubacteria and archeabacterial cell types? A- Signature sequence B- Signal sequence C- Shine-Dalgarno sequence D- Amino acid sequence
Description : Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called tailing of mercury Reason: Tailing of mercury is du
Last Answer : Assertion : In presence of ozone, mercury loses its meniscus and sticks to glasses. This is called ... -I is not correct and Statement-II is correct
Description : In the tailing of mercury ozone oxidises X to Y.X and Y are respectively
Last Answer : In the tailing of mercury ozone oxidises X to Y.X and Y are respectively A. Hg,Hg(I)O B. Hg,Hg(II)O C. Hg(I)O,Hg(II)O D. Hg(II)O,Hg(I)O
Description : `{:("List-I","List-II"),("A) O"_(3)+H_(2)O_(2)rarr,"1) Blue"),("B) O"_(3)+"starch KI"rarr,"2) Tailing"),("C) O"_(3)+"Hg"rarr,"3) HIO"_(3)),("D) O"_(3)
Last Answer : `{:("List-I","List-II"),("A) O"_(3)+H_(2)O_(2)rarr,"1) Blue"),("B) O"_(3)+"starch KI"rarr,"2) Tailing"),("C ... 4,3,2):}` D. `{:(A,B,C,D),(3,2,1,5):}`
Description : In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. (A) Concentrate (B) Tailing (C) Middling (D) None of these
Last Answer : (C) Middling
Description : The crushed material received for separation is called feed or (A) Tailing (B) Heading (C) Concentrate (D) Middling
Last Answer : (B) Heading
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 : Sequence of AAT GCT TAG GCA on template segment of DNA will be represented over the transcribed mRNA as
Last Answer : Sequence of AAT GCT TAG GCA on template segment of DNA will be represented over the transcribed mRNA as A. ... C. UUA CGA AUC CGU D. TTA CGA ATC CGT
Description : What is the mRNA sequence if the DNA sequence is GATCCT?
Last Answer : Need answer
Description : What is the complimentary mRNA sequence of codons for t-a-c-a-g-g?
Last Answer : Before we look at the complimentary mRNA sequence of the givenDNA sequence, let us remember that RNA contains uracil (U) in placeof Thiamine (T)The querry sequence is:t-a-c-c-t-c-g-c-a-a-c-tSo the mRNA sequence would be:A U G G A G C G U U G A
Description : What is the mRNA sequence of T A C A C C T T G G C G A C G A C T?
Last Answer : The mRNA sequence of t-a-c-a-t-c-t-t-g-g-c-g-a-c-g-a-c-t isUTGTUGUUCCGCTGCTGU.
Description : A part of an mrna has the base sequence gca. which change to this sequence would indicate a missense mutation?
Last Answer : A missense mutation is the change in a single nucleotide that results in a different amino acid being coded for. GCA codes for the amino acid Alanine. Therefore any of the following changes would be missense ... acid GUA -> Valine GGA -> Glycine CCA -> Proline UCA -> Serine ACA -> Threonine
Description : Anticodon sequence are seen in (A) tRNA and transcribed DNA strand (B) tRNA and complementary DNA strand (C) mRNA (D) mRNA and complementary DNA strand
Description : The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA
Description : In the following partial sequence of mRNA, a mutation of the template DNA results in a change in codon 91 to UAA. The type of mutation is 88 89 90 91 92 93 94 GUC GAC CAG UAG GGC UAA CCG (A) Missene (B) Silent (C) Nonsense (D) Frame shit
Last Answer : Answer : B
Description : mRNA is complementary to the nucleotide sequence of (A) Coding strand (B) Ribosomal RNA (C) tRNA (D) Template strand
Description : Triplet sequence found in mRNA which codes for single amino acid
Last Answer : Ans. Codon
Description : Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.
Last Answer : (b) tRNA
Description : During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG then the nucleotide sequence in the mRNA would be (a) TATGC (b) TCTGG (c) UAUGC (d) UATGC.
Last Answer : (c) UAUGC
Description : AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA? (a) AGGUAUCGCAU (b) UGGTUTCGCAT (c) ACCUAUGCGAU (d) UCCAUAGCGUA
Last Answer : (c) ACCUAUGCGAU
Description : What will be the sequence of mRNA produced by the following stretch of DNA? 3′ATGCATGCATGCATG5′TEMPLATE STRAND 5′ TACGTACGTACGTAC3′ CODING STRAND (a) 3′AUGCAUGCAUGCAUG5′ (b) 5′UACGUACGUACGUAC 3′ (c) 3′ UACGUACGUACGUAC 5′ (d) 5′ AUGCAUGCAUGCAUG 3
Last Answer : d) 5′ AUGCAUGCAUGCAUG 3′
Description : .Amino acid sequence, in protein synthesis is decided by the sequence of (a) rRNA (b) tRNA (c) mRNA (d) cDNA.
Last Answer : (c) mRNA
Description : Which one of the following could NOT cause a change in the mRNA ―reading frame‖? a. Insertion Sequence b. Base-Pair Substitution c. Base Addition d. Base Deletion
Last Answer : b. Base-Pair Substitution
Description : The interaction between the mRNA and tRNA determined the position of amino acid in a polypeptide sequence. This is called the A- stagerivity B- Wobble hypothesis C- Promiscuity D- adaptor hypothesis
Last Answer : adaptor hypothesis
Description : AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA ? (1) AGGUAUCGCAU (2) UGGTUTCGCAT (3) ACCUAUGCGAU (4) UCCAUAGCGUA
Last Answer : (1) AGGUAUCGCAU
Description : Which is the correct sequence of soil erosion ? (A) Rill – Sheet – Gulley (B) Gulley – Sheet – Rill (C) Sheet – Rill – Gulley (D) Sheet – Gulley – Rill
Last Answer : (C) Sheet – Rill – Gulley
Description : What is the sequence of C 4 plants ? (A) Sudangrass – Sugarcane –Paddy – Bajra (B) Sugarcane – Maize – Sudangrass – Bajra (C) Sugarcane – Cotton – Paddy– Maize (D) Cotton – Maize – Bajra –Sugarcane
Last Answer : (B) Sugarcane – Maize – Sudangrass – Bajra
Description : What is the sequence of water erosion? a. Splash, sheet, rill, gully b. Sheet , gully, rill c. Rill, Splash , sheet d. Gully erosion, splash, sheet, rill e. Splash, Gully erosion , rill
Last Answer : a. Splash, sheet, rill, gully
Description : The process of growing two or more crops simultaneously on same piece of land with definite row pattern is called as a. Inter cropping b. Mixed cropping c. Multi Storyed system d. Sequence cropping
Last Answer : c. Multi Storyed system
Description : The most important organelle of a eukaryotic cell is also its defining feature, the nucleus. Why is the nucleus so critical to eukaryotes?
Last Answer : It houses DNA. Also, the nucleus is the site where DNA begins to be interpreted through transcription.
Description : What is the distance from line to line in case of full light for potato cultivation ?
Last Answer : In case of light used for potato cultivation, the distance from line to line will be 60 cm.
Description : In case of Drip irrigation which of the following advantage is observed ? (A) It saves water (B) Root system of plant remains in upper layer of soil (C) Plastic tubes are not harmed by rats (D ... drip irrigation is very long (E) Where there is lot of rainfall, there are no limitation to such system
Last Answer : (C) Plastic tubes are not harmed by rats
Description : Water use efficiency is the highest is case of– a) Border irrigation b) Drip irrigation c) Sprinkler irrigation d) Flood irrigation
Last Answer : b) Drip irrigation
Description : Water use efficiency is highest in the case of? a. Border irrigation b. Drip irrigation c. Sprinkler irrigation d. Flood irrigation e. None of these
Last Answer : b. Drip irrigation
Description : Green Revolution in India has been most successful in the case of? a. Tea & Coffee b. Wheat & Potato c. Mustard & Oil Seeds d. Rice & Wheat e. None of these
Last Answer : d. Rice & Wheat
Description : The scheme to provide the remunerative prices to the farmers in case of glut in production and fall in prices is known as? a. MIS (Market Intervention Scheme) b. PSS (Price support scheme ) c. ISSTd. Both a and b e. Both a and c
Last Answer : d. Both a and b
Description : With high frequency electric current hardening is achieved and is called as a) case hardening b) induction hardeningc) surface hardening d) metal hardening
Last Answer : b) induction hardening