Which of the following pairs of structures in living organisms do not perform similar functions?
Lungs and spiracles
Root hairs and mammalian hairs
Feathers and scales
Contractile vacuole and Kidneys
Correct answer is B
No explanation has been provided for this answer.
Spirogyra is regarded as a multicellular plant because
the cylindrical cells are linked end to end
its cells are linked together by cytoplasmic strands
its cells are large
it is an algae containing a large vacuole
Correct answer is B
No explanation has been provided for this answer.
In which of the following levels of classification are the members most similar?
Order
Genus
Species
Phylum
Correct answer is C
No explanation has been provided for this answer.
food and other needs are abundant
there is a fierce competition among the offsprings
That the weaker offsprings are eliminated
That nature selects those that will survive to reproduce their kind
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not a behavioural adaptation used by social animals?
Cryptic
Mimicry
Flash
Season
Correct answer is D
No explanation has been provided for this answer.