CLASS VII PHYSICS MODEL PAPER

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1 CLASS VII PHYSICS MODEL PAPER Answer the following questions in one word or in a sentence: 1 mark each 1. What are spherical mirrors? 2. Which area of a cyclone is calm, free of clouds and has only light winds? 3. Name the device whish is used to split white light into seven colours. 4. What is the common name of a storm which is accompanied by lightning followed by a loud sound from the clouds? 5. State one observation which tells us that air exerts pressure. 6. The uneven heating of earth can take place under two situations. Give any one situation. 7. What kind of mirror is required for always obtaining a virtual image of a same size as the object? 8. Write the word LEFT as you would see it in the plane mirror. Answer the following questions: 2 marks each 1. What are monsoon wind? Why are monsoon winds very important for our country? 2. Concave mirror is also known as a converging mirror. Explain this statement with the help of ray diagram. 3. Explain why, filament type electric bulbs are not power efficient? 4. Why a bicycle tube overfilled with air may burst? 5. Explain why, when the current is switched on through a wire, the needle of a compass kept nearby gets deflected from its north-south position? 6. What is an electric circuit? Draw a diagram of a electric circuit. 7. Draw a circuit diagram which includes the following: A cell, a bulb, an open switch. Answer the following questions: 3 marks each 1. State three characteristics of the image of an object formed by a concave lens. 2. Why do we use iron for making an electromagnet and not steel? Answer the following question: 5 mark a. What is a rainbow? How rainbow is produced? What information do you get about sunlight from the formation of a rainbow? b. In what way is the word AMBULANCE painted in front of the hospital vans? Why is it painted this way? OR a. What is a lens? Name the types of lenses. Name any five things which use lenses. b. State any two observations from everyday life which show that light travels in a straight lines. c. White light consists of seven colours. Can we mix these seven colours to get white light? Expain your answer.

2 CLASS VII CHEMISTRY MODEL PAPER 1. Fill in the blanks: 1/2x 4= 2 a. A vertical section through different layers of soil is called soil b soil is ideal for growing cotton crop. c. The best soil for making pots, bricks and statues is d. The natural process which breaks down huge rocks slowly to form tiny particles fit to make soil is called Write a word equation to represent the process of rusting of iron What is the chemical name of baking soda? 1 4. Name 2 organic impurities present in sewage What type of microbes present in sewage cause diseases such as cholera and typhoid?1 6. What is meant by crystallization? State its 1 use What is meant by galvanization? Why is it done? 2 8. Write the differences between sandy soil and clayey soil State the important properties of soil What is meant by a)sewer and b) sewerage What is sludge? Explain how it is treated? What is stainless steel? How is stainless steel made? State an important property of stainless steel Explain the difference between sanitation and disease. State the various ways in which you can contribute in maintaining sanitation at public places Make a well labeled diagram of soil profile What is meant by the rusting of iron? State 2 conditions necessary for the rusting of iron to occur. Explain how, rusting damages iron objects. Why rusting of iron objects is faster in coastal areas than in deserts 5 Or State three differences between a physical change and a chemical change. Give two examples each of physical and chemical change.

MODEL PAPER CLASS -7 SUBJECT BIOLOGY Q-i-Fill in the blanks ; ( 1*3=3) 1-Atria and ventricals are the chambers of the 2-The main excretory product in human beings is.

3 MODEL PAPER CLASS -7 SUBJECT BIOLOGY Q-i-Fill in the blanks ; ( 1*3=3) 1-Atria and ventricals are the chambers of the 2-The main excretory product in human beings is.. 3-The tubes which connect kidneys to bladder are called Q-ii 1- draw diagram to show vegetative propagation (reproduction)by (1+1=2) i-bryophyllum leaf ii- potato stem tuber 2- draw a bread mould and label sporangium (spores) (1) Q-III Answer in short 1- Name the waste products secreted by the (1+1) A-lungs B- kidneys 2- What is the function of platelets in the blood?which part of blood carries digested food (1+1) 3- Name the method of reproduction shown in the figure (a) and (b). (1+1) Figure (a) Figure-(b) 4- Which type of reproduction (1+1) A- Involves fusion of gametes B- Does not involve gamete

4 5- What is meant by reproduction? State the main difference between sexual and asexual (1+1) reproduction. 6- Explain why there is no waste in a forest? (1+1) 7- What are decomposers?what do decomposers do in a forest? (1+1) Q IV Answer the following questions 1-What is pollination? Name the type of pollination shown in figure (a) and (b) given below (1+1+1) (a) (b) 2-Explain how forests prevent soil erosion. (3) 3-State three reasons for the large scale cutting down of forests trees. (1+1+1) Q v Answer in detail 1 a-what is dialysis? (2) b- What happens of a person stop working due to infection or injury. (2) c--name tiny filters present in kidneys. (1) Or a-name the human body system shown in figure given below b-label part (1) and (2)

5 c- What is the functions of kidneys.

6 CLASS VII PHYSICS MODEL PAPER Answer the following questions in one word or in a sentence. 1mark each 1. Name an instrument to find the wind direction. 2. What can you demonstrate by rotating newton s disc rapidly? 3. State one way in which your mirror image differs from you. 4. A cyclone is called in American Continent and in Japan. 5. Name the direction from which monsoon winds blow into our country during summer. 6. Which of the two is a converging lens: convex or concave. 7. State one use of concave mirror. 8. Would you like to buy a house having windows but no ventilators? Answer the following questions: 2 marks each 1. Why smoke always rises up? 2. Electric bulbs are not advisable to use. Why? What would you recommend to use in place of electric bulbs? 3. Explain why concave mirrors are used as shaving mirrors? 4. Draw a well labelled diagram to show the wind flow pattern due to uneven heating between the equator and the poles. 5. What is an electromagnet? Draw a well labelled diagram of electromagnet. 6. Explain why, any metal strip cannot be used in place of fuse wire 7. Draw a circuit diagram which includes the following: A cell, a bulb, a closed switch Answer the following questions: 3 marks each 1. What happens when a beam of light is passed through glass prism? What is a spectrum? 2. Consider the following materials: copper, tungsten, chromium, aluminium, nichrome, iron. Which of these is used to make: a. Heating element of an electric iron. b. Filament of an electric bulb. Also state the principle on which they work. Answer the following question: 5 marks a. What is a lens? Name the two types of lenses. Name any five things which use lenses. b. What kind of lens is used as a magnifying glass? OR a. Explain how, we are able to see the table lying in a room though it does not give out of its own light? b. Name the type of mirror used by dentists. How does it help? c. How many colours are present in a rainbow? Name them.

7 Model question paper Sub: Chemistry Mm: 33 Class: VII 1. Answer the following questions. (1x7) a. Name the gas which can turn lime water milky? b. Which component of soil makes the air above the soil in a farmland shimmer on a hot summer day? c. Write the full form of WWTP? d. What is the function of air present in the spaces between the soil particles? e. Photosynthesis is a change. f. Mg + O2. g. Name two diseases which are caused by bacteria present in sewage? 2. Answer the following questions. (2x6) a. Define the following. (i) Crystallization. (ii) Galvanization. b. Explain why soil absorbs water but cemented floor does not? c. What is meant by the treatment of sewage? What is its main purpose? d Write two differences between sandy soil and clayey soil? e. What is the purpose of bubbling air into the aeration tank during the treatment of sewage? f. What is meant by the treatment of sewage? What is its main purpose? 3. Answer the following questions- (3x3)

8 a. What is meant by rusting of Iron? Write word equation? Write two conditions necessary for rusting. Give two methods by which rusting can be prevented. b. What is meant by soil profile? Draw a sketch of soil profile and label the various layers. c. Explain the relation between sanitation and diseases? State the various ways in which you can contribute in maintaing sanitation at public places. 4. Answer the following questions- (1x5) a. What happens when Carbon Di Oxide Gas is passed through lime water. b. Write a word equation c. Name the change which takes place and why?

ANNUAL EXAMINATION MODEL PAPER-2 TIME: 1 Hrs CLASS -7 TH MM: 34 Q I- FILL IN THE BLANKS: SUB-BIOLOGY 1-.ARE THE BLOOD VESSELSWHICH CARRY BLOOD FROM HEART TO ALL THE PARTS OF THE BODY. [1] 2-.

9 ANNUAL EXAMINATION MODEL PAPER-2 TIME: 1 Hrs CLASS -7 TH MM: 34 Q I- FILL IN THE BLANKS: SUB-BIOLOGY 1-.ARE THE BLOOD VESSELSWHICH CARRY BLOOD FROM HEART TO ALL THE PARTS OF THE BODY. [1] 2-.NORMALLY CARRY DEOXYGENATED BLOOD. [1] 3-. CONTAINS WATER, SOME SALTS AND A LITTLE OF UREA. [1] Q II DRAW 1-DIAGRAME TO SHOW VEGETATIVE PROPAGATION IN [1+1] (A) BRYOPHYLLAM LEAF (B) POTATO STEM TUBER 2- A FLOW CHART TO SHOW HOW FOREST S HELP IN MAINTAINING THE BALANCE OF CARBONDIOXIDE AND OXYGEN IN NATURE [1] Q III- ANSWER IN SHORT: 1-WHAT IS THE FUNCTION OF RED BLOOD CELLS? NAME THE RED PIGMENT WHICH CARRIES OXYGEN IN BLOOD. [1+1] 2-WHAT IS THE PERCENTAGE COMPOSITION OF URINE? NAME THE PROCESS IN WHICH THE BLOOD OF A PERSON HAVING KIDNEY FAILURE IS CLEANED BY USING A KIDNEY MACHINE [1/2+1/2+1/2+1/2] 3-NAME THE METHOD OF VEGETATIVE PROPAGATION SHOWN IN FIGURE (A) AND (B) GIVEN BELLOW [1+1] (A) (B) 4-EXPLANE WHY, THERE IS NO WASTE IN A FOREST? [2] 5- WHAT IS MEANT BY UNISEXUAL FLOWERS AND BISEXUAL FLOWERS? [1+1] 6-WHAT ARE STAMEN AND PISTIL IN A FLOWER? [1+1] 7-EXPLANE THE DIFFERENCE BETWEEN SELF POLLINATION AND CROSS POLLINATION. [2]

10 Q IV -ANSWER THE FOLLOWING QUESTIONS: 1-WHAT IS MEANT BY SEXUAL REPRODUCTION IN PLANTS? NAME A PLANT WHICH IS REPRODUCED BY SEXUAL REPRODUCTION. [2+1] 2-WHAT IS POLLINATION? NAME THE TYPE OF POLLINATION SHOWN IN FIGURE (A) AND (B) [1+1+1] (A) (B) 3-GIVE ONE EXAMPLE OF FOOD CHAIN OCCURING IN FOREST. [3] Q V-ANSWER IN DETAIL 1-WHAT IS BLOOD? NAME ALL THE COMPONENTS OF BLOOD? WRITE ONE FUNCTION OF BLOOD [2+2+1] OR 1-(A) NAME THE HUMAN BODY SYSTEMSHOWN IN FIGURE GIVEN BELOW. [1] (B)LABEL PARTS (1) AND (2) [1+1] (C)WHAT IS THE FUNCTION OF KIDNEYS? [2]

NEW HORIZON SCHOOL WORKSHEETS TERM 2 SESSION CLASS : VII SUBJECT : SCIENCE NAME : ROLL NO. : SECTION :

NEW HORIZON SCHOOL WORKSHEETS TERM 2 SESSION 2016 17 CLASS : VII NAME : SUBJECT : SCIENCE ROLL NO. : SECTION : WORKSHEET No. 1 LESSON 10[Respiration in Organisms] 1.Match the following Column A Column