Biology

Elements Compounds and Mixtures Multiple Choice Questions and Answers | Elements Compounds and Mixtures MCQs for NEET, AIIMS, JIPMER and other Medical Entrance Exams

Elements Compounds and Mixtures Multiple Choice Questions and Answers | Elements Compounds and Mixtures MCQs for NEET, AIIMS, JIPMER and other Medical Entrance Exams 1 The ability of water to resist a pulling force is known as _________ A Tensile strength B Surface tension C Cohesion D Capillarity Answer:Tensile strength 2 In dorsiventral leaf, the …

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NCERT Class 12 Biology General Knowledge Questions and Answers

NCERT Class 12 Biology General Knowledge Questions and Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology General Knowledge Questions and Answers 111 Homologous organs indicate A divergent evolution. B adaptive radiation. C convergent evolution. D natural selection. Answer: divergent evolution. 112 Evolutionary convergence is characterised by A development of characteristics by random mutations. …

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NCERT Class 12 Biology Question bank and Answers

NCERT Class 12 Biology Question bank and Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology Question bank and Answers 101 Niche overlap indicates A mutualism between two species B active cooperation between two species C sharing of one or more resources between the two species D two different parasites on the same host. …

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NCERT Class 12 Biology General Awareness Questions and Answers

NCERT Class 12 Biology General Awareness Questions and Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology General Awareness Questions and Answers 91 The World Summit on Sustainable Development (2002) was held in A Brazil B South Africa C Sweden D Argentina Answer: South Africa 92 Which among the following is not a method …

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NCERT Class 12 Biology Competitive Exams Questions and Answers

NCERT Class 12 Biology Competitive Exams Questions and Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology Competitive Exams Questions and Answers 81 The number of meiotic divisions, required to produce 400 seeds in a pea plant, is A 500 B 400 C 100 D None of these Answer: 500 82 Select the correct …

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NCERT Class 12 Biology Entrance Exams Questions and Answers

NCERT Class 12 Biology Entrance Exams Questions & Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology Entrance Exams Questions and Answers 71 If a genetic disease is transferred from a phenotypically normal but carrier female to only some of the male progeny, the disease is: A Sex-linked recessive. B Sex-linked dominant C Autosomal …

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NCERT Class 12 Biology General Awareness Questions with Answers

NCERT Class 12 Biology General Awareness Questions with Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology General Awareness Questions with Answers 61 In the immune system, interferons are a part of A cytokine barriers. B physical barriers C physiological barriers D cellular barriers Answer: cytokine barriers. 62 ZIFT is transfer of A zygote …

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NCERT Class 12 Biology Objective type Questions & Answers

NCERT Class 12 Biology Multiple Choice Questions(MCQs) & Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology Objective type Questions & Answers 51 The net electric charge on DNA and histone, is A positive, negative B negative, positive C positive, positive. D negative, negative Answer: negative, positive 52 The disease chikungunya is transmitted by …

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NCERT Class 12 Biology Optional Questions with Answers

NCERT Class 12 Biology Multiple Choice Questions(MCQs) & Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology Optional Questions with Answers 41 Eukaryotic RNA polymerase III catalyses the synthesis of A tRNA B hnRNA C mRNA D rRNA Answer: tRNA 42 The sequence of nitrogen bases in a # segment of a coding strand …

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NCERT Class 12 Biology very short Questions & Answers

NCERT Class 12 Biology very short Questions & Answers NCERT Class 12 Biology QUESTIONS NCERT Class 12 Biology very short Questions & Answers 31 Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections? A auto-immune response …

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