1Steel is an alloy of iron and
2An atom that has lost one or more electron(s) is called
3In all machines, the efficiency is
4In electronic circuits, LEDs are used to indicate the absence or presence of
5Which of the following statements about the scientific method is/are correct ? It provides
6Which of the following substances is a compound?
7Which of the following source(s) of energy is/are renewable?
9Which of the following chemical equations is balanced?
10Lime juice taste sour because it is
11A metal block has a mass of 1.0 kg. What is the volume of the block if its density is 10 kg m -3 ?
12It is easier to move a heavy load with a crowbar when the
13Benedict's solution was added to a mixturein a test tube and it turned brick red when heated. The mixture is likely to contain
14Chlorine gas in a example of
15Which of the following statements about a force are correct ? It
16Kerosine is able to reach the other end of a wick by
17Which of the following chemical compounds is used in removing hardness in water?
18Which of the following processes is used separate insoluble solids from liquids?
19When a thermometer is put in hot water, the mercury level rises because the mercury increases in
20The work done when a force moves a body through a distance of 12 m is 720 J. The force applied is
21Which of the following compounds is neutral to litmus paper?
22A balanced diet is one which is made up of
23The ovules in a flower develop to form the
24Water drains faster through sand than clay because
25The best method for checking erosion on a slope is
26The housefly is an agent for the spread of
27Which of the folloeing substances are carried by the blood?
28Which of the following statements about a plant cell is correct ? It
29The study of the soil profile of an area helps the farmer to
30The term leaching in soils refers to
31How many stages does the mosquito go through in its life cycle of development?
32Which of the following enzymes helps in digestion of protein in the human stomach?
33Kidneys absorbs water from the blood stream of humans through the processes of
34Am example of soil micro-nutrients is
35The vegetable crop that requires staking during its growth is
36The function of the white blood cells in humans is to
37The carpel of a flower is made up of the following parts except
39Balanced ration enables animals to
40Cultural practices are activities undertaken on a farm
