CIDESCO QUESTIONS (Natural sciences
portion)
which ones are correct?
1. Biological and non-biological substances both need oxygen for their existence
2. the human body consists only of biological substances - ANS-1 and 2 are both
correct
which ones are correct?
1. every living organism needs some non-biological substances for its existence
2. all non-biological substances are found as minerals in the earth - ANS-1 is correct
2 is incorrect
characteristics of life include.. - ANS-growth and metabolism
examples of synthetic substances are... - ANS-plastics and silicones
examples of organic biological substances are - ANS-carbohydrates and fats
examples of mineral substances are - ANS-paraffins and petroleum
matter is everything that... - ANS-occupies space and has weight
the three forms of matter are solids, liquids, and... - ANS-gases
what property does all matter have? - ANS-all matter has weight
condensation is the change of matter from... - ANS-gas to liquid
vaporization is the change of matter from.. - ANS-liquid to gas
melting is the change of matter from - ANS-a solid to a liquid
sublimation is the change of matter from - ANS-a solid to a gas
the alteration of the prorates of matter without the formation of any new substance is
called. - ANS-a physical change
, the immediate change of a solid into a vapor is called - ANS-sublimation
an example of a single-celled cellular organism is - ANS-a bacterium
which ones are correct?
1. a micro-organism is the smallest part of the human body
2. all micro-organisms need nutrients for their existence - ANS-1 is incorrect and 2 is
correct
examples of bacteria are - ANS-bacilli and cocci
science deals mainly with... - ANS-physics and chemistry
the study of structure of the body is called - ANS-anatomy
the study of the functions of living organisms is - ANS-physiology
which is correct?
1. anatomy is a very important science in the field of biology
2. anatomy is the science which deals with the functions of the human body - ANS-1 is
correct and 2 is incorrect
which science does the alteration of the structure of molecules belong to? -
ANS-Chemistry
the field of physics includes - ANS-heat and electricity
an Anion is - ANS-a negatively charged atom
A cation is - ANS-a positively charged atom
an electrolyte is - ANS-a substance that when dissolved in water splits into ions
examples of electrolytes are - ANS-acids and salts
an example of an electrolyte is - ANS-a salt solution
an acid is an electrolyte because - ANS-it can conduct electric current
portion)
which ones are correct?
1. Biological and non-biological substances both need oxygen for their existence
2. the human body consists only of biological substances - ANS-1 and 2 are both
correct
which ones are correct?
1. every living organism needs some non-biological substances for its existence
2. all non-biological substances are found as minerals in the earth - ANS-1 is correct
2 is incorrect
characteristics of life include.. - ANS-growth and metabolism
examples of synthetic substances are... - ANS-plastics and silicones
examples of organic biological substances are - ANS-carbohydrates and fats
examples of mineral substances are - ANS-paraffins and petroleum
matter is everything that... - ANS-occupies space and has weight
the three forms of matter are solids, liquids, and... - ANS-gases
what property does all matter have? - ANS-all matter has weight
condensation is the change of matter from... - ANS-gas to liquid
vaporization is the change of matter from.. - ANS-liquid to gas
melting is the change of matter from - ANS-a solid to a liquid
sublimation is the change of matter from - ANS-a solid to a gas
the alteration of the prorates of matter without the formation of any new substance is
called. - ANS-a physical change
, the immediate change of a solid into a vapor is called - ANS-sublimation
an example of a single-celled cellular organism is - ANS-a bacterium
which ones are correct?
1. a micro-organism is the smallest part of the human body
2. all micro-organisms need nutrients for their existence - ANS-1 is incorrect and 2 is
correct
examples of bacteria are - ANS-bacilli and cocci
science deals mainly with... - ANS-physics and chemistry
the study of structure of the body is called - ANS-anatomy
the study of the functions of living organisms is - ANS-physiology
which is correct?
1. anatomy is a very important science in the field of biology
2. anatomy is the science which deals with the functions of the human body - ANS-1 is
correct and 2 is incorrect
which science does the alteration of the structure of molecules belong to? -
ANS-Chemistry
the field of physics includes - ANS-heat and electricity
an Anion is - ANS-a negatively charged atom
A cation is - ANS-a positively charged atom
an electrolyte is - ANS-a substance that when dissolved in water splits into ions
examples of electrolytes are - ANS-acids and salts
an example of an electrolyte is - ANS-a salt solution
an acid is an electrolyte because - ANS-it can conduct electric current
