SOF NSO Sample Paper 2023 Class 7

SAMPLE PAPER SYLLABUS 2022-23 CLASS Total Questions : 50 7Time : 1 hr. PATTERN & MARKING SCHEME Section (1) Logical Reasoning (2) Science (3) Achievers Section No. of Questions 10 35 5 SOF NATIONAL SCIENCE OLYMPIAD Marks per Ques. 1 1 3 SYLLABUS Section – 1 : Verbal and Non-Verbal Reasoning. Section – 2 : Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones, Light, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Fibre to Fabric, Nutrition in Plants and Animals, Respiration in Organisms, Transportation in Plants and Animals, Reproduction in Plants, Natural Resources and Their Conservation (Soil, Water: A Precious Resource, Forests our Lifeline, Wastewater Story). Section – 3 : Higher Order Thinking Questions - Syllabus as per Section – 2. LOGICAL REASONING 1. Tarun faces towards North. Turning to his right, 3. Select a figure from the options which does he walks 25 metres. He then turns to his left and not satisfies the same condition of placement walks 30 metres. Next, he moves 25 metres to of the dots as in Fig. (X). his right. Finally, he turns to the right and moves 40 metres. In which direction is he now from (A) his starting point? (A) South-West (B) South (C) North-West (B) Fig. (X) (D) South-East 2. Which of the following is exactly in the middle of the 17 th element from the right end and 18th element from the left end in the given (C) arrangement? 3D6$C4E8#N5F1AP 9M@K2 B%7HU (D) (A) A (B) 1 (C) F (D) % SCIENCE 4. X is present in the stomach. However, presence Q R of excess of it causes indigestion, which requires S P the intake of milk of magnesia to undo the effect of X. What is X? (A) HCl (B) H2SO4 (C) NaOH (D) KOH More CO2 More O2 5. The given diagram shows blood circulation (A) R P, Q, S pathway in the heart. Which of the following (B) Q and R P and S correctly shows the relative amount of oxygen (C) S R and carbon dioxide at P, Q, R and S? (D) P and Q R and S Sample Paper | Class-7 | 1

6. Some blobs of wax are placed on a silver ring (A) There is a change in volume as shown in the diagram. If the ring is heated (B) Heat is evolved at X, then choose the correct option regarding (C) Chemical bonds are broken or formed the melting of wax because of heating. (D) There is a change in mass S 8. Garima carried out a fair test to find out the P speed with which water passed through four different kinds of soil. She recorded her findings R X in the table below. Q Kind of soil P Q R S (A) Only R blob melts. Time taken 33 23 45 18 (B) Blobs R, S and Q melt together. (seconds) (C) Melting of blobs occurs in the order R, Q, S and P. In which type of soil would you find the mangrove (D) P, Q, R and S blobs melt together. trees growing in? (A) P (B) Q 7. Which one of the following is true for all chemical (C) R (D) S reactions? ACHIEVERS SECTION 9. A point object P moves Plant towards a convex mirror P with a constant speed v, v Propagates Propagates Propagates along its optic axis. The vegetatively vegetatively vegetatively by roots by leaves by stem speed of the image (A) Is always less than v X Y Z (B) Is always more than v (C) Is equal to v X Y Z (D) Decreases as P comes closer to the (A) Bryophyllum Bougainvillea Carrot mirror. (B) Dahlia Begonia Potato 10. Study the given flow chart and select the option (C) Begonia Ginger Asparagus that correctly identifies X, Y and Z. (D) Bryophyllum Strawberry Dahlia SPACE FOR ROUGH WORK ANSWERS 1. (D) 2. (A) 3. (B) 4. (A) 5. (D) 6. (C) 7. (C) 8. (C) 9. (A) 10. (B) 2 | Sample Paper | Class-7