mil jayega govt school se paas ho to

@@dr.kalakar3188 ni sir mera to private school tha up me

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Dr. KaLaKaR Chapter-wise NEET PYQs SPECIAL TOPIC - DNA MOLECULAR BASIS OF INHERITANCE (1) The given figure shows the structure of nucleosome with their parts labelled as A, B and C. Identify A, B and C [AIIMS 2017] (A)A − DNA; B − H1 histone; C− Histone octamer (B) A − H1 histone; B − DNA; C− Histone octamer (C) A− Histone octamer; B − RNA; C − H1 histone (D) A − RNA; B − H1 histone; C− Histone octamer Loading… (2) Which one of the following makes use of RNA as a template to synthesize DNA [AIPMT 2005] (A)Reverse transcriptase (B) DNA dependant RNA polymerase (C) DNA polymerase (D) RNA polymerase (3) Assertion : In a DNA molecule, A − T rich parts melt before G − C rich parts. Reason : In between A and T there are three H− bond, whereas in between G and C there are two H− bonds. [AIIMS 2010 , AIIMS 2015] (A) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. (B) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion. (C) If the Assertion is correct but Reason is incorrect. (D) If both the Assertion and Reason are incorrect. (4) Thirty percent of the bases in a sample of DNA extracted from eukaryotic cells is adenine. What percentage of cytosine is present in this DNA ? [AIIMS 2015] (A) 10% (B) 20% (C) 30% (D) 40% (5) The term ’Nuclein’ for the genetic material was used by [NEET 2020] (A) Mendel (B) Franklin (C) Meischer (D) Chargaff Loading… (6) If the distance between two consecutive base pairs is 0.34nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately [NEET 2020] (A)2.7 meters (B) 2.0 meters (C) 2.5 meters (D) 2.2 meters (7) Read the following statements and choose the set of correct statements: (a) Euchromatin is loosely packed chromatin (b) Heterochromatin is transcriptionally active (c) Histone octomer is wrapped by negatively charged DNA in nucleosome (d) Histones are rich in lysine and arginine (e) A typical nucleosome contains 400 bp of DNA helix Choose the correct answer from the options given below: [NEET 2022] (A) (a), (c), (d) Only (B) (b), (e) Only (C) (a), (c), (e) Only (D) (b), (d), (e) Only (8) The association of histone H1 with a nucleosome indicates that [NEET 2017] (A)DNA replication is occurring (B)(B) the DNA is condensed into a chromatin fibre (C) the DNA double helix is exposed (D) transcription is occurring. (9) Which one of the following is not applicableto RNA ? [NEET 2015] (C)Heterocyclic nitrogenous bases (D)(B) Chargaff’s rule (C) Complementary base pairing (D) 5′ phosphoryl and 3′ hydroxyl ends (10) Assertion : DNA is associated with proteins. Reason : DNA binds around histone proteins that form a pool and the entire structure is called anucleosome. [AIIMS 2013] (A) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. (B) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion. (C) If the Assertion is correct but Reason is incorrect. (D) If both the Assertion and Reason are incorrect. (11) Purines of DNA are represented by [AIPMT 1996] (A)Uracil and thymine (B) Guanine and adenine (C) Uracil and cytocine (D) Thymine and cytocine (12) DNA polymerase links nucleotide by forming which type of bond: [AIIMS 2019] (A)Phosphodiester bond (B) Hydrogen bond (C) Hydrogen bond (D) Ester bond (13) Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with thecategory mentioned against it ? [AIPMT 2008] (A) Guanine, Adenine - Purines (C) Thymine, Uracil - Pyrimdines (B) Adenine, Thymine - Purines (D) Uracil, Cytosine - Pyrimidines (14) If Adenine makes 30 % of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it? [NEET 2021] (A)T : 20; G : 30; C : 20 (B) T : 20; G : 20; C : 30 (C) T : 30; G : 20; C : 20 (D) T : 20; G : 25; C : 25 (15) Given below are two statements: Statement I: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid. Statement II: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome. In the light of the above statements, choose the correct answer from the options given below: [NEET 2023] (A) Statement I is incorrect but Statement II is true. (C) Both Statement I and Statement II are false. (B) Both Statement I and Statement II are true. (D) Statement I is correct but Statement II is false. (16) Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by [AIPMT 1991, AIPMT 2005 , AIIMS 1993] (A)(Base − sugar − phosphate) n (B)(B) Base-sugar −OH (C) Base-sugar-phosphate (D) Sugar-phosphate (17) Which of the following are all Nucleotides [AIIMS 2019] (C)Adenosine, Cytidilic acid, Cytosine (D)(B) Adenylic acid, Cytidilic acid, Guanylic acid (C) Cytidine, Adenine, Adenylic acid (D) Uracil, Thymidine, Thymidylic acid Loading… (18) In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine.The percentages of the other three basesexpected to be present in this DNA are [NEET 2015] (A)G 17%,A 33%, T 33% (B)(B) G 8.5%,A 50%, T 24.5% (C) G 34%,A 24.5%, T 24.5% (D) G 17%,A 16.5%, T 32.5%. (19) The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C. [NEET 2013] (C)A -Transcription, B - Translation, C - Francis Crick (D)(B) A - Translation, B - Extension, C - Rosalind Franklin (C) A - Transcription, B - Replication, C - James Watson (D) A - Translation, B - Transcription, C - Ervin Chargaff (20) Antiparallel strands of a DNA molecule means that [AIPMT 2006] (A) one strand turns clockwise (B) one strand turns anticlockwise (C) the phosphate groups of two DNA strands, at their ends, share the same position (D) the phosphate groups at the start of two DNA strands are in opposite position (pole). (21) One turn of the helix in a Bform DNA is approximately [AIPMT 2006] (A)2 nm (B) 20 nm (C) 0.34 nm (D) 3.4 nm. (22) What are the structures called that give an appearance as ’beadsonstring’ in the chromosomes whenviewed under electron microscope? [AIPMT 2011] (A)Genes (B) Nucleotides (C) Nucleosomes (D) Base pairs (23) Identify the basic amino acid from the following. [NEET 2020] (A) Valine (B) Tyrosine (C) Glutamic Acid (D) Lysine (24) Which of the following statements is correct? [NEET 2020] (A)Adenine does not pair with thymine (B) Adenine pairs with thymine through twoH−bonds (C) Adenine pairs with thymine through oneH−bond (D) Adenine pairs with thymine through threeH−bonds (25) Which one of the following does not follow the central dogma of molecular biology? [AIPMT 2010] (B)Pea (B) Mucor (C) Chlamydomonas (D) HIV (26) In the DNA molecule, [AIPMT 2008] (A) the proportion of adenine in relation to thymine varies with the organism (B) there are two strands which run antiparallel one in 5′ → 3′ direction and other in 3′ → 5′ (C) the total amount of purine nucleotides and pyrimidine nucleotides is not always equal (D) there are two strands which run parallel in the 5′ → 3′ direction. (27) Which one of the following statements about Histones is wrong? [NEET 2021] (A)Histones are organized to form a unit of 8molecules. (B)(B) The pH of histones is slightly acidic. (C) Histones are rich in amino acids − Lysine andArginine. (D) Histones carry positive charge in the side chain. (28) Assertion : Histones are basic proteins of major importance in packaging of eukaryotic DNA. DNA and histones comprise chromatin forming the bulk of eukaryotic chromosome. Reason : Histones are of five major types H1, H2A,H2B,H3 and H4 . [AIIMS 2000] (A) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. (B) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion. (C) If the Assertion is correct but Reason is incorrect. (D) If both the Assertion and Reason are incorrect. (29) DNA strand is directly involved in the synthesis of all the following except [AIIMS 1981] (A)tRNA molecule (B) mRNA molecule (C) Another DNA strand (D) Protein synthesis (30) Which of the following is a nucleoside? [AIIMS 2019] (A) Adenosine, Adenylic acid, Cytosine (C) Cytidylic acid, adenosine, Adenylic acid (B) Adenosine, Guanosine, Cytidine (D) Guanylic acid, Cytosine, Adnosine (31) Purines found both in DNA and RNA are[NEET 2019] (A)Adenine and thymine (B) Adenine and guanine (C) Guanine and cytosine (D) Cytosine and thymine (32) A child receives [AIPMT 1995] (A) 25% genes form his father (C) 75% genes form his father (B) 50% genes form his father (D) 100% genes from his father (33) The figure gives an important concept in the genetic implication of DNA. Fill the blanks A,B and C. [NEET 2013] (A) A-Maurice Wilkins, B-Transcription, C-Translation (C) A-ErwinChargaff, B-Translation, C-Replication (B) A-James Watson, B-Replication, C-Extension (D) A-FrancisCrick, B-Translation, C-Transcription

thoda muskil hai but last tak try karo

okay sure beta

out of state walo milati hai but 10-15 % college to college scheme lagati hai

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Thanks ❤️🙏

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thanks bete❤️

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beta mammy ka documents me nam hai

ha milega sure

@@dr.kalakar3188 tsm sir☺

muskil hai but try kar sakate ho

@@dr.kalakar3188 mop up round me possible hai?

mil sakata hai but college campus me aap sab discuss kar lo

thanks bro😍🙏

chance thoda kam hai but last round tak kuch ho sakata hai

sab mil jayega don’t worry

chance hai

❤️

no problem i am also additional biology student

@@dr.kalakar3188 but i failed in mathematics. Each subject pass in 12th required or just pcb and english

sure

last tak try karo mil jayegi

ha sabhi college ke liye hai

mil jayega

@@dr.kalakar3188 sir general se hu 611 score with 64k rank

ha but ager esa lag raha hai ki second round me nhi milegi to report karake upgradation lga do

le sakate ho ager aapaka man hai to but risk hai so thoda soch samjh ke

Plz reply

apani choice ki pahale fir other college le sakate ho to hi karana otherwise jo le skate ho wahi karana

ha but pahale unlock hi rakho last time lock rakho

chance thoda kam hai butmil jayegi last tak

no aap ab kuch mat karo state counselling karwa lo counseling complete ho jayega sabaka to aapaka paisa aapako jis account se cut hua hai usame wapas aa jayega don’t worry

@@dr.kalakar3188 thank you ♥️

schedule me dekho na sabhi round ki date

pahale to jmma karwana padega

@@dr.kalakar3188 it means ki 10 lakh per year h to muje admision ke time 10lakh Dene honge . Or scholarship uske baad milegi

ha 3rd round me registration ho jayega

muskil hai but try karo

matter karega

@@dr.kalakar3188 kitna hona chahiye education loan lene k liye

​@@dr.kalakar3188kitna hona chahiye education loan lene k liye

​@@dr.kalakar3188kitna hona chahiye cibil score

Kitna hona chahiye

ha aap abhi kuch mat karo ab sab wapas mil jayega

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eligibility complete ho to laghbhag pura fee mil jayega

state counselling se jyada chance hai dono try karo achhe se