Science : Term 1 Unit 1 : Measurement Evaluation I. Choose the appropriate answer: 1. Which of the following is a derived unit? a. mass b. time c. area d. length Answer: c) area 2. Which of the following is correct? a. 1L= 1cc b. 1L= 10 cc c. 1L= 100 cc d. 1L= 1000 cc Answer: […]

Science : Chapter 23 : Libre Office Calc TEXTBOOK EXERCISES I. Choose the best answer. 1. All functions begins with an ______ sign a) =      b) –     c) >    d) } [Answer: (a) = ] 2. ______ function is used to calculate the total of a given set of values. a)

Science : Chapter 22 : Conservation of Plants and Animals TEXTBOOK EXERCISES I. Choose the best answer. 1. The plants found in a particular area are known as ________ a) fauna b) flora c) endemic d) rare [Answer: (c) endemic] 2. Deforestation means ______ a) cleaning of forest b) to grow plants c) to look after

Science : Chapter 21 : Crop Production and Management TEXTBOOK EXERCISES I. Choose the best answer 1. The process of placing seeds in the soil iscalled as a. ploughing b. sowing c. crop production d. crop rotation [Answer: (b) sowing] 2. Organism that control insects and pests of plant crops is a. bio-pesticides b. bio-fertilizers c.

Science : Chapter 20 : Reaching the age of Adolescence TEXTBOOK EXERCISES I. Choose the best answer. 1. Adolescence is the period of life between _____________ years of age. a) 10 to 16 b) 11 to 17 c) 11 to 19 d) 11 to 20 [ Answer: (c) 11 to 19] 2. The period at which

Science : Chapter 19 : Movements in Animals TEXTBOOK EXERCISES I. Choose the best answer. 1. Which of the following parts of our body help us in movement? (i) Bones (ii) Skin (iii) Muscles (iv) Organs Choose the correct answer from the options below. (a) (i) and (iii) (b) (ii) and (iv) c) (i) and

Science : Chapter 18 : Organisation of Life TEXTBOOK EXERCISES I.  Choose the best answer. 1. _____________ is tough and thick white sheath that protects the inner parts of the eye. a) Sclera b) Conjunctiva c) Cornea d) Iris [Answer: (a) sclera] 2. ______________ cells are specialised cells that can be transformed into any kind

Science : Chapter 17 : Plant Kingdom TEXTBOOK EXERCISES I. Choose the best answer. 1. Solanum trilobatum is the binomial name of Thoothuvalai. The word ‘Solanum’ refers to a) Species b) Genus c) Class d) Orders [Answer: (b) Genus] 2. Floridian starch is a reserve food material of a) Chloroplyceae b) Phaeophyceae c) Rhodophyceae d) Cyanophyceae [Answer:

Science : Chapter 16 : Microorganisms TEXTBOOK EXERCISES I. Choose the best answer. 1. Microorganisms are measured in _______. a) cm  b) mm  c) micron  d) meter. [Answer: (c) micron] 2. _______ shows both living and nonliving characteristics. a) Protozoa  b) Virus c) Bacteria d) Fungi [Answer: (b) virus] 3. ______ is a prokaryotic microorganisms.

Science : Chapter 15 : Chemistry in Everyday Life TEXTBOOK EXERCISES I. Choose the best answer. 1. The chemical mixed with LPG that helps in the detection of its leakage is __________ a. methanol b. ethanol c. camphor d. mercapton [Answer: (d) mercapton] 2. Which is known as syn gas? a. Marsh gas b. Water gas