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Biology · PYQ NEET UG 2024
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Biology · PYQ NEET UG 2024
Hind II always cuts DNA molecules at a particular point called recognition sequence and it consists of:
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What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism? \nA. The piece of DNA would be able to multiply itself independently in the progeny cells of the organism.\nB. It may get integrated into the genome of the recipient.\nC. It may multiply and be inherited along with the host DNA.\nD. The alien piece of DNA is not an integral part of chromosome.\nE. It shows ability to replicate. \nChoose the correct answer from the options given below:
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Bulliform cells are responsible for
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Which of the following statement is correct regarding the process of replication in E.coli?
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Match List I with List II **List I** A. Rhizopus B. Ustilago C. Puccinia D. Agaricus **List II** I. Mushroom II. Smut fungus III. Bread mould IV. Rust fungus Choose the correct answer from the options given below:
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The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called;
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Choose the correct answer from the options given below: Column IColumn II AFrederick GriffithIGenetic code BFrancois Jacob & Jacque MonodIISemi-conservative mode of DNA replication CHar Gobind KhoranaIIITransformation DMeselson & StahlIVLac operon
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A pink flowered Snapdragon plant was crossed with a red flowered Snapdragon plant. What type of phenotype/s is/are expected in the progeny?
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Lecithin, a small molecular weight organic compound found in living tissues, is an example of:
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Choose the correct answer from the options given below: Column IColumn II ADown's syndromeI11th chromosome B\( \alpha \)-ThalassemiaII'X' chromosome C\( \beta \)-ThalassemiaIII21st chromosome DKlinefelter's syndromeIV16th chromosome
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Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin
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The lactose present in the growth medium of bacteria is transported to the cell by the action of:
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Choose the correct answer from the options given below: Column IColumn II ARobert MayISpecies-Area relationship BAlexander von HumboldtIILong term ecosystem experiment using out door plots CPaul EhrlichIIIGlobal species diversity at about 7 million DDavid TilmanIVRivet popper hypothesis
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Identify the correct description about the given figure:
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A transcription unit in DNA is defined primarily by the three regions in DNA and these are with respect to upstream and down stream end;
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Match List I with List II **List I** A. Nucleolus B. Centriole C. Leucoplasts D. Golgi apparatus **List II** I. Site of formation of glycolipid II. Organization like the cartwheel III. Site for active ribosomal RNA synthesis IV. For storing nutrients Choose the correct answer from the options given below:
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Which of the following are required for the dark reaction of photosynthesis? A. Light B. Chlorophyll C. \( \text{CO}_2 \) D. ATP E. NADPH Choose the correct answer from the options given below:
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Given below are two statements: Statement I: In \( \text{C}_3 \) plants, some \( \text{O}_2 \) binds to RuBisCO, hence \( \text{CO}_2 \) fixation is decreased. Statement II: In \( \text{C}_4 \) plants, mesophyll cells show very little photorespiration while bundle sheath cells do not show photorespiration. In the light of the above statements, choose the correct answer from the options given below:
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Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?
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Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:
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Choose the correct answer from the options given below: Column IColumn II ACitric acid cycleICytoplasm BGlycolysisIIMitochondrial matrix CElectron transport systemIIIIntermembrane space of mitochondria DProton gradientIVInner mitochondrial membrane
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How many molecules of ATP and NADPH are required for every molecule of \( \text{CO}_2 \) fixed in the Calvin cycle?
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