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After the tremendous success of our last year Important Questions Bank for Gujarat HSC (12th Std) Board Exam 2016, 2017, 2018 and 2019 we have also created a list of Most Important Questions Bank for Gujarat (12th Std) HSC Board Exam 2020 which are likely to appear in HSC Board Exams this year.
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BIOLOGY – IMPORTANT QUESTION BANK |
- Draw the diagram showing blood circulation path m heart and describe blood circulation through heart.
- What is Endoscopy? Describe the methodology and usefulness of endoscopy.
- Explain the production of Hurnan insulin with labelled diagram.
- Explain structure of Immunoglobulin and Antibody mediated Immunity.
- Describe in detail Hormones of adrenal cortex.
- Differentiate between C3-path and C4-path by six points each.
- Write in detail Negative feed-back regulation. Explain mode of action of Peptide hormones.
- In which region of chloroplast the photo chemical phases take place? Explain photolysis of water.
- Explain Transmission of impulse at a synapse with labelled diagram.
- Explain the effect of changing concentration of atmospheric CO2 on respiration and photosynthesis.
- Explain the approaches of Water conservation and Water Management.
- Draw labelled diagram of Front view of female reproductive system and write about Uterus only.
- Describe the pioneer stage of Hydrosere succession and Xerosere succession.
- State the disorders resulting due to deficiency of Riboflavin and Thiamine and write any four symptoms of each.
- Give name of any two non-biodegradable wastes and explain how to control the Industrial Pollution.
- Draw T.S. of Anther and explain the structure of Pollen grain and Embryo sac
- Explain Human Embryo development after Morula stage.
- Draw a chart showing role of Rubisco in photo-respiration and explain the chemical changes taking place in Kranz-anatomy. Why productivity of C4 Path is higher?
- Write concentration of micronutrient and macronutrient per 1 gram dry mass of plant and describe Hydroponic method.
- Explain the professional Induced-lung diseases and protective measures against them.
- Explain Transmission of impulse at a synapse with labelled diagram.
- Draw a chart of Glycolysis and explain Dephosphorylation and also write the equation.
- What is the meaning of Harmful relationships? Describe exploitation and predation.
- Explain the theory of Cohesion-force.
- Describe the structure and function of Adrenal Cortex.
- Describe – Gene mutation and state note worthy points regarding gene mutation.
- Why it is said that Bio-pesticides and Bio-fertilizers are better in comparison to chemical pesticides and chemical fertilizers respectively?
- Explain in detail Wear and Tear theory.
- Draw a labelled diagram of the internal structure of Kidney and explain any two phases of urine formation.
- Differentiate between Callus culture and Suspension culture with four points each.
- Write the range of Regeneration in any four animals and describe type of Regeneration.
- Explain the structure of megasporangiurn with labelled diagram.
- On the basis of penetration of light, describe the various zones of lake.
- Explain anaerobic respiration in plant cell and animal cell.
- Draw a chart showing fixation of Nitrogen and explain the role of leg hemoglobin in it. Also write three components required to complete this process.
- Draw labelled diagram of Front view of male reproductive system and write about Epididymis only.
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