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H. Give Reasons for the Following  Q1. Leaves of some desert plants are reduced to prickly structures.  To reduce water loss through transpiration (since deserts have very little water).  Q2.…

Fill in the blanks with the correct words. We get ______ (sugar starch) from rice. Answer. We get starch from rice. ______ (Fats/ dietary fibre) are/is needed to help push the food…

1. Who am I a. I am ATP-producing factory.Answer: Mitochondria b. I am single-layered, but maintain cellular osmotic pressure.Answer: Vacuole c. I support the cell, but I am not the…

1. Each of the following statements is wrong. Rewrite them correctly by changing either one or two words. 1. Correct the given statements: a. False – Simple squamous epithelium is…

1. Fill in the blanks: a. The number of molecules of water of crystallization in washing soda is 10.b. The chemical name of baking soda is Sodium Bicarbonate (NaHCO₃).c. Radioactive iodine…

Matter is all around us and can be defined as anything that has mass and occupies space. Common examples include air, water, books, and even our bodies. Characteristics of Matter…

A. Choose the correct option. 1. What percentage of total water is fresh water? (a) 0.03% (b) 3% (c) 97% (d) 100% Answer. (b) 3% 2. The process by which…

A. Choose the correct answer. Which of these is not a source of electric power? (a) Dry cell (b) Diesel generator (c) Electric torch (d) Solar cell c. Electric torch…

F. Short Answer Questions 1. Why are machines used? Machines are used to make our work easier. They help us lift heavy objects, cut things, or move items with less…

SECTION I  A. Choose the correct option Natural sources of light include (a)Sun (b) Stars (c) Fires (d) All of these. Answer. (d) All of these Which of the following does…