1
marks question
Q.1 How do penguins keep themselves warm?
Q.2 Which regions of the earth have severe climatic condition?
Q.3 Which department gives the information about weather and how?
Q.4 Name the device which help to measure the speed of wind.
Q.5 How can we predict about the cyclones in advance?
Q.6 Where are the buds located in Bryophyllum?
Q.7 Which part of the potato forms new plant?
Q.8 What does slow change mean?
Q.9 Is crystallization an example of physical change?
Q.10 What happens to the wire when electric current is passed through it?
2 marks
Q.1 Give two functions of the large ears of elephant.
Q.2 When we move towards western region, which type of climate we see and why?
Q.3 Some birds travel as much as 15000 km to avoid the extreme climatic conditions to the same places every year. What are the probable reasons to travel to the same places evry year?
Q.4 Explain why a can (or bottle) with hot water gets distorted when cold water is poured over it?
Q.5 What is the need of seed dispersal?
Q.6 (i)What is galvanisation?
Q.8 Explain the working of fuse in a circuit.
3 marks
Q.1How does an elephant living in tropical rain forest adapt itself?
Q.2 "All the changes in the weather are caused by sun." Do you agree with this statement? If yes, then explain.
Q.3 Explain why holes are made in hanging banners and hoardings?
Q.4 What do you understand by the term 'leaf venetion'? What are the two types of leaf venetion?
Q.5 Show the diagram of the following parts of the plant:
(i) Stamen (ii) Pistil
Q.7 Which one is better technique to obtain sugar from sugar solution- crystallization or evaporation to dryness?
Q.8 An electrician wants to replace a fuse by a piece of wire. Is it safe?
Q.9 What are electric fuses?
5 marks
Q.1(a) Rainforests offers hospitable climatic conditions to support huge population of animals. Explain how?
(b) Explain with examples how animals have adapted themselves to overcome the competition for food and shelter in the rainforests.
Q.2 What precautions should one take in a cyclone hit area?
Q.3 (a) Name an alga which reproduces by fragmentation. Explain its process of reproduction with help of a diagram.
(b) Define sporogenesis. Give an example.
(c) What is the mechanism of reproduction in hydra and yeast?
Q.4 What is rusting? How can we prevent rusting?
Q.5 When a candle burns, both physical and chemical changes take place. Identify these changes. Give another example in which both the chemical and physical changes take place.
Q.6 Explain and draw a circuit diagram to represent the picture shown below.
Q.1 How do penguins keep themselves warm?
Q.2 Which regions of the earth have severe climatic condition?
Q.3 Which department gives the information about weather and how?
Q.4 Name the device which help to measure the speed of wind.
Q.5 How can we predict about the cyclones in advance?
Q.6 Where are the buds located in Bryophyllum?
Q.7 Which part of the potato forms new plant?
Q.8 What does slow change mean?
Q.9 Is crystallization an example of physical change?
Q.10 What happens to the wire when electric current is passed through it?
2 marks
Q.1 Give two functions of the large ears of elephant.
Q.2 When we move towards western region, which type of climate we see and why?
Q.3 Some birds travel as much as 15000 km to avoid the extreme climatic conditions to the same places every year. What are the probable reasons to travel to the same places evry year?
Q.4 Explain why a can (or bottle) with hot water gets distorted when cold water is poured over it?
Q.5 What is the need of seed dispersal?
Q.6 (i)What is galvanisation?
- Why
galvanised pipes are used for supplying water?
Q.8 Explain the working of fuse in a circuit.
3 marks
Q.1How does an elephant living in tropical rain forest adapt itself?
Q.2 "All the changes in the weather are caused by sun." Do you agree with this statement? If yes, then explain.
Q.3 Explain why holes are made in hanging banners and hoardings?
Q.4 What do you understand by the term 'leaf venetion'? What are the two types of leaf venetion?
Q.5 Show the diagram of the following parts of the plant:
(i) Stamen (ii) Pistil
Q.7 Which one is better technique to obtain sugar from sugar solution- crystallization or evaporation to dryness?
Q.8 An electrician wants to replace a fuse by a piece of wire. Is it safe?
Q.9 What are electric fuses?
5 marks
Q.1(a) Rainforests offers hospitable climatic conditions to support huge population of animals. Explain how?
(b) Explain with examples how animals have adapted themselves to overcome the competition for food and shelter in the rainforests.
Q.2 What precautions should one take in a cyclone hit area?
Q.3 (a) Name an alga which reproduces by fragmentation. Explain its process of reproduction with help of a diagram.
(b) Define sporogenesis. Give an example.
(c) What is the mechanism of reproduction in hydra and yeast?
Q.4 What is rusting? How can we prevent rusting?
Q.5 When a candle burns, both physical and chemical changes take place. Identify these changes. Give another example in which both the chemical and physical changes take place.
Q.6 Explain and draw a circuit diagram to represent the picture shown below.
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