Question

2.) Arteries and veins are two types of blood vessels. P
3.) The time period of a given pendulum is constant
4.) An electromagnet does not attract a piece of iron. T
5.)A concave lens always form a virtual image. T
6.) Rain is ultimate source of water. F
7.) Forest protect the soil from erosion
8.) Ozone is essential for breathing of living organism F
0.4 Answer the following question. (2 marks each)
1.) State the characteristics of the image formed by a plane mirror,
2.) What are stomata?
3.) Name any two effects of electric curant.
4.) Explain how ground water is recharged?
0.5 Answer the following question. (3 marks each)
1.) What is sludge? Explain how it is treated?
2.) What are decomposers? Name any two of them. What do they do in the forest?
3.) Write the difference between a convex and a concave lens.
4.) Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2
m/s, calculate the distance between her house and the school,
5.) How does the process of fertilization take place in flowers?
6.) What are the components of blood?
7.) Sketch the reproductive parts of a flower.
8.) An electomagnet can be used for separating plastic bags from a garbage heap? Explain.
0.6 Answer the following question: (5 marks each)
(20)
'1.) Describe the different methods of asexual reproduction. Give example,
2.) Draw and lable the diagram of heart and describe the function of it.
3.) Explain the factors responsible for the depletion of water table.
4.) List the difference and similarities between aerobic and anaerobic respiration​

Answer 1

Answer:

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