Book Back Question and Answers

Science : Term 3 Unit 4 : Chemistry in Daily Life EVALUATION I. Choose the correct answers 1. A drug effective in the treatment of pneumonia, and bronchitis, is _________ a. Streptomycin b. Chloramphenicol c. Penicillin d. Sulphaguanidine [Answer: (c) Penicillin] 2. Aspirin is ___________ a. Antibiotic b. Antipyretic c. Sedative d. Psychedelic [Answer: (b) […]

Science : Term 3 Unit 3 : Polymer Chemistry EVALUATION I. Choose the correct answers 1. The first man-made fibre is _________ a. Nylon b. Polyester c. Rayon d. Cotton [Answer: (c) Rayon] 2. Which of the following is the strongest?___________ a. Rayon b. Nylon c. Acrylic d. Polyester [Answer: (b) Nylon] 3. When you place

Science : Term 3 Unit 2 : Universe and Space EVALUATION I. Choose the correct answers 1. The moon takes _________ days to complete one revolution around the Earth a. 25 b. 26 c. 27 d. 28 [Answer: (c) 27] 2. If the Moon is appeaing in the sky today near the star Karthikai ,

Science : Term 3 Unit 1 : Light EVALUATION I. Choose the correct option 1. Light travels only in a . It is  because of this property that are formed a. curved line, shadows b. straight line, shadows c. straight line, reflection d. curved line and then straight line, shadows [Answer: (b) straight line, shadows]  2.

Science : Term 2 Unit 6 : Digital Painting Evaluation I. Choose the correct answer. 1. Tux paint software is used to……… a. Paint b. Program c. Scan d. PDF Answer : a) Paint 2. Which toolbar is used for drawing and editing controls in tux paint software? a. Left Side: Toolbar b. Right side :

Science : Term 2 Unit 5 : Basis of Classification Evaluation I. Choose the correct answer. 1. The following characteristics are essential for classification. a. Similarities b. Differences c. Both of them d.  None of them Answer: (e) Both of them 2. Approximately ____________ species of living organisms found in the earth. a. 8.7 million

Science : Term 2 Unit 4 : Cell Biology Evaluation I. Choose the correct answer 1. Basis unit of life. a. Cell b. Protoplasm c. Cellulose d. Nucleus Answer: A) Cell 2. I am the outer most layer of an animal cell. Who am I? a. Cell wall b. Nucleus c. Cell membrane d.  Nuclear membrane

Science : Term 2 Unit 3 : Changes Around Us Evaluation I. Choose the best answer 1. When a woollen   yarn is knitted to get a sweater, the change can be classified as _______ . a. physical change b. chemical change c. endothermic change d. exothermic change Answer: 1. Answer: a. physical change 2. ___________ of

Science : Term 2 Unit 2 : Electricity EVALUATION I. Choose the correct answers 1. In the circuit diagram below, 10 units of electric charge move past point x every second What is the current in the circuit ___________ a. 10 A  a. 1 A c. 10 V  d. 1 V Answer: a) 10A  2. In

Science : Term 2 Unit 1 : Heat and Temperature EVALUATION I. Choose the correct answer 1. International unit of measuring temperature is . ______________ a. Kelvin b. Fahrenheit c. Celsius d. Joule Answer: a) Kelvin 2. In thermometer when bulb comes in contact with hot object, liquid inside it a. expands b. contracts c.