HOTs Molecular Basis of Inheritance Class 12 Biology

Translation Very Short Answer Type Questions Question. Which one of the two sub-units of ribosome encounters an mRNA? Answer. Smaller sub-unit of ribosome encounters mRNA during initiation of protein synthesis. Question. Write the two specific codons that a translational unit of mRNA is flanked by one on either sides.Answer.The two specific codons are initiation codon on one side (AUG […]

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HOTs Principles of Inheritance and Variation Class 12 Biology

Question. Phenylketonuria is caused due to(a) pleiotropy(b) multiple alleles(c) codominance(d) incomplete dominance Question. Phenylketonuria in human(a) manifests through phenotypic expressions(b) is characterised by mental retardation(c) leads to hair reduction and skin pigmentation(d) All of the above Question. Which one of the following pairs is wrongly matched? (a) XO type of sex-determination – Grasshopper(b) ABO blood grouping – Codominance(c) Starch […]

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HOTs Sexual Reproduction In Flowering Plants Class 12 Biology

Question. Attractants and rewards are required for (a) anemophily(b) entomophily(c) hydrophily(d) cleistogamy Question. True fruit is directly derived from(a) stem(b) root(c) ovary(d) None of these Question. False fruit is a fruit in which(a) only ovary take part in fruit development(b) only embryo take part in fruit development(c) only chalazal cells take part in fruit development(d) ovary and other floral […]

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HOTs For Class 12 Biology

Chapter 1 Reproduction in Organisms Chapter 2 Sexual Reproduction in Flowering Plants Chapter 3 Human Reproduction Chapter 4 Reproductive Health Chapter 5 Principles of Inheritance and Variation Chapter 6 Molecular Basis of Inheritance Chapter 7 Evolution Chapter 8 Human Health and Diseases Chapter 9 Strategies for Enhancement in Food Production Chapter 10 Microbes in Human […]

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HOTs General Principles and Processes of Isolation of Elements Class 12 Chemistry

MULTIPLE CHOICE QUESTIONS Question. Froth floatation process is used for:(a) cuprite(b) zincite(c) copper pyrites(d) bauxite Question. The anode mud obtained during electro refining of Cu contains:(a) Ag(b) Fe(c) Au(d) Zn Question. Which is a copper matte?(a) Cu2O + FeS(b) Cu2S + FeO(c) Cu2S + FeS(d) Cu2O + FeO Question. Brass contains:(a) Cu + Sn(b) Cu + Ni(c) Cu […]

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HOTs Wave Optics Class 12 Physics

Assertion (A) & Reason(R) Question. Assertion : No interference pattern is detected when two coherent sources are infinitely close to each other.Reason : The fringe width is inversely proportional to the distance between the two slits. Correct Question. Assertion : When a light wave travels from a rarer to a denser medium, it loses speed. The reduction […]

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