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BIOLOGY – IMPORTANT QUESTION BANK
Explain the significance of double Fertilization. What changes occur in floral parts after fertilization?
What changes occur in Stem of Dicot plant due to Secondary Growth? Explain.
Explain food web and flow of energy, with the help of ray diagram.
Write the names and functions of different parts in Alimentary Canal of Human.
Write the significances of excretion in animals.
Write the working and structure of striped Muscles.
Explain the technique of Genetic engineering with the example of cloning.
Describe with the help of diagram the steps of Urea formation in Ornithene- Arginin cycle.
Explain the structure of a maize grain with the help of a diagram.
Write the difference between Sympathetic and Parasympathetic nervous system.
Describe the mechanism of opening and losing of Stomata.
What is Gene mutation? What are the causes of Gene mutation? Explain.
Write any four function of auxin hormone.
Trace the development of microsporocyte into mature pollen grains.
Write the differences between macro elements and micro elements.