DPP -10S53 Life Process 1. Explain the process of transpiration in plants and its significance. 2.Describe the role of xylem and phloem in plant transportation. 3. Explain the process of blood clotting. 4. Explain how oxygen and carbon dioxide are transported in the blood. […]
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DPP -9S54 CELL – Fundamental unit of Life 1. Which one of the following is NOT a part of the nucleus? Ribosome Nucleolus Chromosome Gene 2. Why is the cell wall present in plant cells and not in animal cells ? 3. Write a short note on:
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DPP – 9S53 CELL : The fundamental unit of life 1. Describe the structure of the nucleus with the help of a diagram. 2. Explain the process of endocytosis (with diagram). 3. Which of the following is not correct? (a) Robert Brown discovered the cell. (b) Schleiden
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DPP -11C21 QUANTUM NUMBER Q1. What is Pauli’s exclusion principle? Q2. List the possible value for the quantum number for the following sub-shell. (i) 2p (ii) 4f Q3. Write short note on (i) Aufbau principle (ii) Pauli’s principle (iii) Hund’s rule
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DPP -11C13 CONCENTRATION Q1. 120g of 𝑁𝑎𝑂𝐻 dissolved in 900g of 𝐻2𝑂 . Density of solution is 1.50g/mol. Find:- (i) Molarity & Molality (ii) Mole fraction of both solute & solvent . Q2. 3M 𝑁𝑎𝐶𝑙 𝑎𝑞. 𝑠𝑜𝑙𝑢𝑡𝑖𝑜𝑛 has a density 1.25 g/ml. Find the molality. Q3. 0.500M
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DPP -11C12 MOLE CONCEPT Q1. 12.044 × 1023 molecules of 𝐶𝑂2 at STP. Find (i) mass of the sample given (ii) Number of moles of CO2 (iii) Volume of CO2 in L at STP (iv) Number of ‘O’ atoms. (v) Number of ‘C’ atoms. Q2. An atom of 12𝐶.
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DPP -11C11 Empirical & Molecular Formula 1. A compound contains 4.07 % hydrogen, 24.27 % carbon and 71.65 % chlorine. Its molar mass is 98.96 g. What are its empirical and molecular formulas? 2. Determine the empirical formula of an oxide of iron, which has 69.9 % iron and 30.1 % oxygen by
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DPP -11C14 STOICHIOMETRY Q1. 𝑁2 + 3𝐻2 → 2𝑁𝐻3 𝑁2 is given 2000g & 𝐻2 is 1000g. Find the amount of 𝑁𝐻3 formed after the completion of reaction. Q2. 𝑁2 + 3𝐻2 → 2𝑁𝐻3 𝑁2 is given 50kg & 𝐻2 is 10kg. Find the amount of 𝑁𝐻3 formed
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DPP -9S12 STATE CHANGE & EVAPORATION 1. Aquatic animals use oxygen dissolved in water during respiration. Explain. 2. Sponge is a solid yet we are able to compress it. Why? 3. Describe the compressibility in Gases with example. 4. When a solid melts, its temperature remains the same, so where does the heat energy goes?
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DPP -11B13 The Living World 1.Define a Taxon. What is meant by Taxonomical Hierarchy ? Give the flow diagram from the lowest to highest category for a plant and an animal. 2.What is Biodiversity? 3.Tiger and Lion belong to the same Genus but different species. What saparates the two
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