which bone is the longest in the human body?
a)sternum
b)femur
c)tibia
Femur
what is the chemical symbol for table salt?
NaCl
What is the SI unit of energy?
Joules
What type of animals are frogs or rather toads?
amphibians
What are the smallest particles of matter?
Atoms
What is instantaneous speed?
it is speed at a particular time
the basic unit of life is the?
a)cell
b)organelle
c)organ
d)tissue
cell
If a metal reacts violently with water, it is most likely in the group .... of the periodic table.
group 1 of the periodic table
The speed of light is 300000km/s what is the speed of light in meters?
300000000m/s
What is Biology?
A branch of Science that deals with living organisms and their vital processes.
what is a vertebrate?
an animal that has a backbone or vertebral column
True or False?
The chemical symbol of an element is the number of neutrons the element has
False
a man has a mass of 80kg on earth. Will his mass be the same more or less when he is on the moon?
it will be the same
Why are viruses not considered as living organisms?
(2 reasons)
they do not carry out cell functions
they require a host cell to survive in
What is the full form of DNA
DeoxyriboNucleic Acid
What is the physical property of matter?
Reactivity
What is the difference between distance and displacement?
distance is the actual path followed by an object while displacement is the straight line distance in a particular direction