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After the tremendous success of our last year Important Questions Bank for Gujarat HSC (12th Std) Board Exam 2016, 2017 and 2018 we have also created a list of Most Important Questions Bank for Gujarat (12th Std) HSC Board Exam 2019 which are likely to appear in HSC Board Exams this year.
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Biology Important Question Bank 2019 (English Medium)
- Explain Human Embryo Development. Explain with a suitable diagram.
- Write kinds of water pollutants and their sources. Explain the effect of water pollution on aquatic eco-systems.
- Give name of steps of Decomposition process and explain factors affecting Decomposition.
- Explain ovarian cycle.
- Draw a labelled diagram showing circulation path in human heart. Explain rhythm and regulation of Heart-beat.
- Write adaptations to water scarcity and high temperature in plant.
- Explain Pectoral girdle and bones of Forelimbs along with diagram.
- Explain the mechanism of opening and closing of Stomata along with a suitable diagram.
- Describe the process occurred in cytoplasmic matrix of Mitochondrion.
- Why it is said that Bio-pesticides and Bio-fertilizers are better in comparison to chemical pesticides and chemical fertilizers respectively?
- Explain Human Embryo development after Morula stage.
- Explain Negative feed-back regulation. Explain mode of action of Peptide hormones.
- Write the effect of senescence on any six organs of Human.
- Give full name and use of ECG. Draw a labelled wave of ECG and give its interpretation.
- Differentiate between Pepsinogen and Trypsinogen.
- Describe the pioneer stage of Hydroseric succession and Xeroseric success10n.
- Describe adaptations to saline habitat.
- Write short note on Malnutrition.
- Describe the theory of ‘Suction due to transpiration’.
- Explain – Depletion of Ozone layer.
- Describe Human embryo development.
- Explain ‘Hypothalamo-Hypophyseal axis’ and its function.
- Differentiate between Morphallaxis – Epimorphosis.
- Describe Biosynthetic phase along with a chart.
- Describe process of Oxidative Phosphorylation.
- Describe the respiratory diseases caused by defects in trachea and tracheal vessels.
- Write the range of Regeneration in any four animals and describe type of Regeneration.
- Draw a chart showing fixation of Nitrogen and explain the role of leg haemoglobin in it. Also write three components required to complete this process.
- Draw a labelled diagram of internal structure of Kidney and explain any two phases of urine formation.
Don’t forget to read : MUST REMEMBER THINGS on the day of Exam for HSC Students
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