Grade 9 NATURAL SCIENCE Term 2
Revision UPDATED ACTUAL Questions
and CORRECT Answers
Oxygen is a ________ element. - CORRECT ANSWER - diatomic
__________ is the jelly-like substance, which fills the cell. - CORRECT ANSWER -
cytoplasm
When a metals reacts with oxygen a _______ is formed. - CORRECT ANSWER - metal
oxide
The _________ contains deoxyribonucleic acid (DNA). - CORRECT ANSWER - nucleus
What is the acid found in your stomach? - CORRECT ANSWER - Hydrochloric acid
TRUE or FALSE
Mitochondria are in both plant and animals. - CORRECT ANSWER - true
What is the correct definition of "corrosive''? - CORRECT ANSWER - A process that
causes the gradual destruction of a substance by chemical reaction.
________ is the metabolic reaction that releases energy from glucose. - CORRECT
ANSWER - respiration
TRUE or FALSE
The pH scale goes up to 7. - CORRECT ANSWER - false
, (Axon/Dendrites) are short projections or extensions that stretch out of the cell body. -
CORRECT ANSWER - dendrites
The stronger the acid the (higher/lower) the pH. - CORRECT ANSWER - lower
_______ is a long, thread-like projection of the neuron. - CORRECT ANSWER - axon
TRUE or FALSE
Alkali's/bases change the colour of universal indicator towards the blue colours. - CORRECT
ANSWER - false
The nose, ears, eyes, skin and tongue are called ________ organs. - CORRECT
ANSWER - sensory
What is the pH of clean distilled water? - CORRECT ANSWER -7
__________ is to make more organism or living things. - CORRECT ANSWER -
reproduction
Elements in the same group on the periodic table have the (different/same) chemical properties. -
CORRECT ANSWER - same
With (sexual/asexual) reproduction there is only one parent. The offspring are identical to the
parent. - CORRECT ANSWER - asexual
TRUE or FALSE
The atomic numbers of the elements decrease by one as you go from left to right across a period.
- CORRECT ANSWER - false
Revision UPDATED ACTUAL Questions
and CORRECT Answers
Oxygen is a ________ element. - CORRECT ANSWER - diatomic
__________ is the jelly-like substance, which fills the cell. - CORRECT ANSWER -
cytoplasm
When a metals reacts with oxygen a _______ is formed. - CORRECT ANSWER - metal
oxide
The _________ contains deoxyribonucleic acid (DNA). - CORRECT ANSWER - nucleus
What is the acid found in your stomach? - CORRECT ANSWER - Hydrochloric acid
TRUE or FALSE
Mitochondria are in both plant and animals. - CORRECT ANSWER - true
What is the correct definition of "corrosive''? - CORRECT ANSWER - A process that
causes the gradual destruction of a substance by chemical reaction.
________ is the metabolic reaction that releases energy from glucose. - CORRECT
ANSWER - respiration
TRUE or FALSE
The pH scale goes up to 7. - CORRECT ANSWER - false
, (Axon/Dendrites) are short projections or extensions that stretch out of the cell body. -
CORRECT ANSWER - dendrites
The stronger the acid the (higher/lower) the pH. - CORRECT ANSWER - lower
_______ is a long, thread-like projection of the neuron. - CORRECT ANSWER - axon
TRUE or FALSE
Alkali's/bases change the colour of universal indicator towards the blue colours. - CORRECT
ANSWER - false
The nose, ears, eyes, skin and tongue are called ________ organs. - CORRECT
ANSWER - sensory
What is the pH of clean distilled water? - CORRECT ANSWER -7
__________ is to make more organism or living things. - CORRECT ANSWER -
reproduction
Elements in the same group on the periodic table have the (different/same) chemical properties. -
CORRECT ANSWER - same
With (sexual/asexual) reproduction there is only one parent. The offspring are identical to the
parent. - CORRECT ANSWER - asexual
TRUE or FALSE
The atomic numbers of the elements decrease by one as you go from left to right across a period.
- CORRECT ANSWER - false
