Which of the following are components of the glomerular filtrate?
All the components of blood except mineral salts
Water and salt only
All the components of blood except plasma protein and cells
Blood cells, amino acid, salts, and nitrogenous wastes
Correct answer is C
Glomerular filtrate contains H\(_2\)O, glucose, salts and urea and it is identical to blood plasma that lacks most proteins.
Which of the following structures controls the activities of the living cell?
Nucleus
Centrosome
Mitochondrion
Golgi body
Correct answer is A
Nucleus is a part of living things which controls activities due to the presence of the DNA in it.
Reading the verdict of a case by a magistrate is an example of
A reflex action
An instinct
A conditioned reflex
A voluntary action
Correct answer is D
A voluntary action is controlled by the cerebrum in the forebrain which is the largest part of the brain.
The number of times an organism occurs within a given area of a habitat is referred to as
Population growth rate
Population frequency
Population growth rate
Population density
Correct answer is B
Population frequency refers to the number of times an organism occurs within a given area of a habitat
A population is best described as
A group of the same species of organisms living together
A group of animals and plants living together
A group of insects and grasses
Different species of wild animals
Correct answer is A
A population is described as the total number of organisms of the same species living together in a given area at a particular time.