Which of these is a compound? (a) Nitrogen (b) Oxygen (c) Water (d) Chlorine

Here are the answers to the multiple-choice questions:

SECTION A: OBJECTIVES

26. The partial or complete lack of pigmentation in the skin of a child can cause:

• The correct option is (b) Albinism.

27. Which of these is a compound?

• The correct option is (c) Water.

28. The two atomic particles that form nucleus are:

• The correct option is (c) Proton and neutron.

29. Skills can be defined as:

• The correct option is (d) A developed ability.

30. The auditory canal is associated with which of the following sense organs?

• The correct option is (b) Ear.

31. Which of these is not a way to care and maintain wood work tools?

• The correct option is (c) Put the tools in water for a long time.

32. Which of the following is the name of shape shown in this question? (The image shows a cone symbol)

• The correct option is (a) Cone.

33. A triangle whose two sides are equal is known as:

• The correct option is (c) Isosceles.

34. Which degree of burn is regarded as the third degree burn?

• The correct option is (c) Charring of skin.

35. Which of these statements is not true about pressure?

• The correct option is (b) It reduces with depth.

36. Flux is used for cleaning the metal surfaces of the point before soldering.

• The correct option is (d) flux.

37. All these are used to transmit motion from a driving shaft to a driven shaft except:

• The correct option is (a) brakes.

38. Motor jack works on the principle of the application of:

• The correct option is (d) screw jack motion.

39. Which of the following is not an artificial wood defect?

• The correct option is (a) ringshake.

40. The three intersecting lines of the isometric axes meet at a point called the:

• The correct option is (b) origin.

41. What tool is used to mark out a small circle on a piece of sheet metal?

• The correct option is (d) a pair of divider.

42. What tool is used for accurate angular measurements?

• The correct option is (b) vernier protractor.

43. Construction is the process of building all these except:

• The correct option is (c) human beings.

44. Which of the following is not a property of metals?

• The correct option is (a) brittleness.

45. The architectural symbol WH represent?

• The correct option is (b) water heating.

46. The ability of the body to function efficiently and effectively contributing maximally to total quality of life is:

• The correct option is (b) physical fitness.

47. Traditional dances are peculiar to specific area or country and is part of their cultural heritage.

• The correct option is (a) Traditional.

48. A field event which involves the throwing of a long stick iron is known as:

• The correct option is (b) Javelin.

49. The landing sector of a javelin is:

• The correct option is (b) 28°.

50. All are pentathlon except:

• The correct option is (d) boxing.

51. Rhythmical are movement or activities performed according to a regular beat of sound.

• The correct option is (a) rhythmical.