CIDESCO MCQ SET 1 | QUESTIONS WITH SOLUTIONS
Which of the following is an anion
- a negatively charged chloride atom (Cl-)
- a positively charged hydrogen atom (H+)
- a negatively charged electron orbiting around the nucleus of an atom
- a positively charged proton in the nucleus of an atom Correct Ans - a) a
negatively charged chloride atom (Cl-) If the PH of a solution is between 1&3 the solution is a strong a)strong acid b)strong alkali c)weak acid d)weak alkali Correct Ans - Strong acid Sublimation is the change of matter from a)a gas to a solid b)a liquid to a solid c)a liquid to a gas d)a solid to a gas Correct Ans - A solid to a gas Which one of the following belongs to the science of chemistry a)the alteration of the structure of molecules b)the condensation of vapour c)the conduction of electricity along a wire d)the production of rays in the environment Correct Ans - The alteration of the structure of molecules An atom is electrically neutral because it has a)more protons than an electrons b)more electrons than protons c)has the same number of protons d)has the same number of protons &electrons Correct Ans - Has the same number of protons &electrons A substance which chemically cannot be broken down in to simpler substances is called a)a compound b)an element c)a mixture d)an emulsion Correct Ans - An element Which one of the following chemicals consists mainly of hydrocarbon a)mineral oil b)olive oil 1 / 2
c)almond oil d)lavender oil Correct Ans - Mineral oil The safety practices that should be observed in a beauty salon when using electrical appliances a)are according to international regulations for all enterprises b)are established by CIDESCO international c)are established by local authorities d)are the responsibility of the employer of the salon Correct Ans - c) are established by local authorities A human cell with 22 autosomes and a Y sex chromosome would be a a)hair follicle b)sperm c)ovum d)zygote Correct Ans - Sperm When a cell dividing ,the nucleus forms a)chromosomes b)centrioles c)cell membrane d)cytoplasm Correct Ans - Chromosomes The characteristic tissue of skin glands is a)lymphoid tissue b)white fibrous tissue c)nerve tissue d)epithelial tissue Correct Ans - Epithelial tissue The amount of energy used in a unit of time ,by a fasting ,resting subject to maintain vital functions is known as a)metabolism b)basal metabolic rate c)anabolism d)catabolism Correct Ans - Basal metabolic rate During a period of cell growth a)only catabolism takes place b)more catabolism than anabolism takes place c)more anabolism than catabolism takes place d)only anabolism takes place Correct Ans - More anabolism than catabolism takes place The joint between the atlas and the axis is a)a pivot joint b)a ball &socket joint
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