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After the tremendous success of our last year Important Questions Bank for Tamil Nadu HSC (12th Std) Board Exam 2017 and 2018 we have also created a list of Important Question Bank for Tamil Nadu (12th Std) HSC Board Exam 2019 which are likely to appear in HSC Board Exams this year.
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- Mention the demerits of Cloning.
- Briefly describe “Sewall Wright Effect”.
- What is phagocytosis?
- Bring out the merits of Bentham and Hooker’s classification of plants.
- Explain Ganong’s respiroscope experiment.
- What is single cell protein? What are the uses of single cell protein?
- Write the physiological effects of auxins, cytokinin. gibberellins, abscisic acid
- Draw bicollateral Vascular Bundle and label its parts.
- Write the differences between cyclic and non-cyclic photophosphorylation
- What is database in bioinformatics? Mention their two fundamental types.
- Define Demography. What are the reasons for population explosion since 19th century? Describe the environmental impacts caused due to population explosion with the help of diagram.
- Describe the structure and functions of Lymph nodes with diagram.
- Describe the sequences of reactions of Kreb’s cycle.
- Describe the structure of HIV with diagram.
- What is Hardy-Weinberg law? Discuss its importance in Population genetics
- What is Endoscopy? Explain its techniques. What is artificial pacemaker? Explain.
- What is meant by zooanthroponoses? Give an example.
- Write about the structure of hemoglobin molecule.
- What is called chemotherapy? What are the good characteristics of
chemotherapeutic agent? - What is the role of Agro bacterium for gene transfer in plants?
- Explain non-cyclic photophosphorylation.
- What is atropine? Mention its use.
- What is meristem? Explain the types of meristem based on its position?
- Write an essay on menstrual cycle.
- Describe the structure of a striated muscle with the help of diagram.
- Enumerate the process of digestion of food in the gastro intestinal tract.
- Briefly provide the life cycle of Schistosomes haematobium.
- What are the uses of Sphygmomanometer?
- What is Hardy-Weinberg law? Discuss its importance in population genetics.
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Sir please 12 th biology Ku tevayana all question banks uuu venu sir plz!!!!