CBSE Class 7 Sample Paper 2022 Science Term 2 Set 3

TERM II SAMPLE PAPER - 3 2021-22 SUBJECT – SCIENCE TIME – 2 HOURS CLASS VII MM-40 General instructions – (i) The question paper comprises three sections A, B and C. You are to attempt all the three sections. (ii) All questions are compulsory. (iii) Questions 1 to 10 in section A are multiple choice questions. (iv) Questions 11 to 19 in section B are two marks questions. These are to be answered in 30 words each. (v) Questions 20 and 22 in section C are four marks questions. S.NO SECTION A (1X10) marks 1 Time period of a simple pendulum depends upon its… 1 a) weight and bomb b) Length c) Both a and b d) none of these 2 Which one records distance travelled by a vehicle? 1 a) Speedometer b) Monometer c) Motometer d) Audometer 3 The amount of heat produced in a wire depends on… 1 a) Material b) Length c) Thickness d) all of these 4 Which mark is necessary on electric appliances? 1 a) EGG MARK b) ISI c) FICCI d) KSK 5 Which is not a water born disease? 1 a) Cholera b) Typhoid c) Tuberculosis d) Dysentery 6 Which of the following is not a scavenger? 1 a) Crow b) Lion c) Jackal d) Valture 7 Which of the following is not a forest product? 1 a) Gum b) Plywood c) Sealing wax d) Kerosene 8 What is the function of WBCs? 1 a) Transport of oxygen b) Fight against germs c) Involved in blood clotting d) All of these 78

9 Breathing is a process that 1 1) provides O2 to the body 2) break down food to release energy 3) help the body to get rid of CO2 4) produces water in the cell Which if the following gives the correct combination of functions of breathing? a) 1 and 2 b) 2 and 3 c) 1 and 3 d) 2 and 4 10 Bryophyllum can reproduce by its 1 a) Stem b) Leaves c) Roots d) Flower SECTION B 11 Why are forests called green lungs? 2 12 What is uniform and non-uniform motion? 2 13 What are the electrical fuse? What is its importance? 2 14 What do you meant by depletion of water table? 2 15 Write two differences between Real image and Virtual image. 2 16 How many colours are found in rainbow? Write it in correct sequence. 2 17 What do you know about understoreys? 2 18 Explain what do you understand by sexual reproduction? 2 19 Name the four chambers of the heart. 2 SECTION C (4x3) 20 Draw a neat and labelled diagram of closed and opened circuit. 4 21 Explain the relationship between sanitation and disease. 4 22 What is pollination? Explain in brief self pollination and cross pollination. 4 79