Reproductive Health VBQs Class 12 Biology

Very Short Answer Type Questions Question. In case of an infertile couple, the male partner can inseminate normally but the mobility of sperms is below 40 percent. Judge, which kind of ART is suitable in this situation to form an embryo in the laboratory, without involving a donor ?Answer : Intra Cytoplasmic Sperm Injection(No marks for abbreviation—ICSI)  Question. Name any […]

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Human Reproduction VBQs Class 12 Biology

Very Short Answer Type Question Question. Differentiate between spermatogenesis and spermiogenesis. Answer : S.No. Spermatogenesis Spermiogenesis (i) Production of sperms (by meiosis). Spermatids are transformed to spermatozoa. Question. When do the oogenesis and the spermatogenesis initiate in human females and males, respectively ? Answer : Oogenesis starts in female in their foetal stage while spermotogenesis in males starts at […]

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Reproduction in Organisms VBQs Class 12 Biology

Very Short Answer Type Questions Question. Identify ‘A’ in the given diagram and state its function.  Answer : ‘A’—Adventitious budsFunction — Vegetative propagation  Question. Identify ‘A’ in the diagram and mention its function. Answer : ‘A’—OffsetFunction — Vegetative propagation  Question. Give an example each of a fungus which reproduces by :(i) budding(ii) conidia. Answer : Budding : Yeast (Saccharomyces)Conidia : Penicillium […]

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Class 12 Biology VBQs

Biology Class 12 Value Based Questions 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 […]

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