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Q- The process by which heat is transferred by contact is called –

Chapter: Atmosphere

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Q- Which hormone decreases blood sugar level?

Chapter: Response and Chemical Coordination in Animals-Hormones

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Q- Who was Ramsay MacDonald?

Chapter: Movement Organized By WomenStudents and the Marginal People in the 20th Century

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Q- How many types of Auxin is found in the plant body?

Chapter: Response and Chemical Coordination in plants – Hormones

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Q- Explain what type of mirror is used in the following situations with reasons ?

Chapter: Light

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Q- Let us find the 3rd proportional of the followinɡs–p³q² , q²r

Chapter: Ratio and Proportion

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Q- If √6×√15=x√10 then let us write by calculating the value of x.

Chapter: Quadratic Surds

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Q- Mass energy relation is used in the field of?

Chapter: Chemical Calculations

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Q- Let us calculate in how many years will ₹ 40000 amount in ₹ 46656 at the rate of 8% compound interest per annum.

Chapter: Compound Interest and Uniform rate of Increase or Decrease

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Q- Name a compound which does not react metallic sodium?

Chapter: Organic chemistry

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Q- If 64 water filled buckets of equal measure are taken out from a cubical water filled tank, then 1/3 rd of water remains in the tank. If the length of one edge of the tank is 1.2m, then let us calculate and write the quantity of water that can be hold in each bucket?

Chapter: Rectangular Parallelepiped or Cuboid

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Q- Out of three jars of equal diameter and height, 2/3 part of the first, 5/6 part of the second and 7/9 part of the third were filled with dilute sulphuric acid. Whole of acid in the three jars were poured into a jar of 2.1 dcm diameter as a result the height of acid in the jar becomes 4.1 dcm. If the length of diameter of each of the three equal jars is 1.4 dcm, let us write by calculating the height of the three jars.

Chapter: Right Circular Cylinder

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Q- The length of a value radius of a circle is 28cm. Let us determine the circular value of angle subtended by an arc of 5.5 cm length at the center of this circle.

Chapter: Concept of Measurement of Angles

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Q- Let us find the 3rd proportional of the followinɡs — 5,10

Chapter: Ratio and Proportion

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Q- What is linear magnification of a lens?

Chapter: Light

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Q- Mention the names of some fuels obtained from biomass?

Chapter: Concern About Our Environment

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Q- What is the oxide ore of copper?

Chapter: Metallurgy

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Q- Total surface area of a right circular pot open at one end is 2002 sq am. If the length of diameter of base of the pot is 14 cm let us write by calculating, how much liter of water may the drum contain.

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