Science : Term 2 Unit 6 : Human Organ systems I. Choose the correct answer: 1. Circulatory system transports these throughout the body Ans : All of these 2. Main organ of respiration in human body is Ans : Lungs 3. Breakdown of food into smaller molecules in our body is known as Ans : Digestion II. Fill in the blanks […]

Science : Term 2 Unit 5 : The Cell I. Choose the correct answer: 1. The unit of measurement used for expressing dimension (size) of cell is ____ Ans : micrometer 2. Under the microscope Priya observes a cell that has a cell wall and distinct nucleus. The cell that she observed is Ans : a plant cell 3. A

Science : Term 2 Unit 4 : Air I. Choose the correct answer: 1. __________ is the percentage of nitrogen in air. Ans : 78% 2. Gas exchange takes place in plants using ___________. Ans : Flower 3. The constituent of air that supports combustion is __________. Ans : Oxygen 4. Nitrogen is used in the food packaging industry because it _________.

Science : Term 2 Unit 3 : Changes Around Us I. Choose the correct answer: 1. When ice melts to form water, change occurs in its Ans : state 2. Drying of wet clothes in air is an example of Ans : physical change 3. Formation of curd from milk is Ans : an irreversible change 4. Out of the following an

Science : Term 2 Unit 2 : Electricity I. Choose the correct answer: 1. The device which converts chemical energy into electrical energy is Ans : cell 2. Electricity is produced in Ans : power station 3. Choose the symbol for battery Ans : a 4. Choose the symbol for battery Ans : d 5. Choose the symbol for battery Ans : silver II. Fill

Science : Term 2 Unit 1 : Heat I. Choose the correct answer: 1. When an object is heated, the molecules that make up the object Ans : begin to move faster 2. The unit of heat is Ans : joule 3. One litre of water at 30oC is mixed with one litre of water at 50oC. The temperature of the mixture

Science : Term 1 Unit 7 : Computer – An Introduction I. Choose the correct answer: 1. Who is the father of computer? Ans : Charles Babbage 2. Which of the following is another form of computer? Ans : Mobile 3. When was the first computer introduced? Ans : 1946 4. Who is the computer’s first programmer? Ans : Augusta ado

Science : Term 1 Unit 6 : Health and Hygiene I. Choose the correct answer: 1. Our body needs ______ for muscle-building Ans : Protein 2. Scurvy is caused due to the deficiency of ________. Ans : Vitamin C 3. Calcium is an example of a ________ Ans : minerals 4. We should include fruits and vegetables in our diet, because_______. Ans

Science : Term 1 Unit 5 : The Living World of Animals I. Choose the correct answer: 1. The study of living things or organisms is called a. Psychologyb. Biologyc. Zoologyd. Botany Ans : Biology 2. Which of the following are characteristics of living beings? (i) Respiration (ii) Reproduction (iii) Adaptation (iv) Excretion Choose the correct sequence Ans : (i),

Science : Term 1 Unit 4 : The Living World of Plant I. Choose the correct answer: 1. Pond is an example of ___________ecosystem. Ans : Fresh water 2. The important function of stomata is ___________ Ans : Transpiration 3. Organs of absorption is ___________ Ans : Root 4. The habitat of water hyacinth is Ans : Aquatic II . Find whether