DPP – 9S62 Tissues 1. What is meristematic tissue? 2. Describe the importance of meristematic tissues in plant body (with diagram). 3. Differentiate between plant tissues and animal tissues. 4. Write a short note on:- Tissue Intercalary meristem Plastid
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DPP – 10S62 Control & Coordination 1. What are receptors? 2. Differentiate between CNS and PNS. 3. What do you mean by synapses? 4. Explain any two receptors. 5. Describe :- Sensory nerve Motor nerve Stimuli
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DPP – 10S23 SALT & IMPORTANT COMPOUNDS 1. What is chloro-alkali process? Wrote the reaction involved . 2. What happens when water is added to plaster of Paris? 3. Explain the preparation of the following substances write the reactions involved. Soda ash Bleaching powder Washing soda 4. Mention the
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DPP – 9S81 FIRST LAW OF MOTION, INERTIA & SECOND LAW OF MOTION 1. State the law of Inertia, Explain the type of Inertia. 2. A constant force acts on an object of mass 5 kg for a duration of 2 s. It increases the object’s velocity from 3 m s–1 to 7 m s-1. Find
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DPP – 9S72 MOTION 1. Starting from a stationary position, Rahul paddles his bicycle to attain a velocity of 6 m s–1 in 30 s. Then he applies brakes such that the velocity of the bicycle comes down to 4 m s-1 in the next 5 s. Calculate the acceleration of the bicycle in both
DPP – 10S92 REFRACTION & REFRACTIVE INDEX Q1. A object is placed at a distance of 60 cm from a concave lens of focal length 30 cm (i) Find the distance of the image from the lens. (ii) List four characteristics of the image ( nature, position, size, erect/inverted ) formed (iii) Draw ray
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DPP – 11B21 BIOLOGICAL CLASSIFICATION Q1. Define experimental taxonomy? Q2. What are red tides? Why are they caused & why are they harmful? Q3. Viruses and viroids differ in structure and disease they cause. How? Q4. Give one example of fungus as a source of antibiotics? Q5. Explain
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DPP – 9S21 IS MATTER AROUND US PURE? Q1. Difference between pure and impure, element and compound, compound and mixture? Q2. Which of the following materials fall into the category of “pure substance”? (a) Ice (b) Milk (c) Iron (d) Hydrochloric acid (e) Calcium oxide (f) Mercury (g) Brick (e) Wood (f)
DPP – 11C26 De Broglie & Heisenberg Uncertainty Principle Q1. Calculate the mass of photon with λ = 3.6 Å. (Ans : m = 6.1 × 10-29 𝐾𝑔 ) Q2. Calculate wavelength if kinetic energy is 3.0 × 10-25𝐽. ( Ans : 𝜆 = 8967 × 10-9 𝑚 ) Q3. Two particle A &
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DPP – 11C25 Bohr’s Model Q1. Calculate energy of electron in 2nd orbit of He+ also calculate the radius. (Ans: 𝐸2 = –2.18 × 10−18 J/atom, 𝑟2 = 105.8 pm) Q2. Calculate the energy required to remove an electron from 2nd orbit to 4m orbit also calculate the wavelength associated with it. (Ans: △E =
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