Which of the following is the most advanced evolutionary development in plants?
possession of unicellular structures
development of flowers
dispersal of spores
development of secondary thickening
Correct answer is B
No explanation has been provided for this answer.
The abilty of a chameleon to change its colour is an adaptive feature for
attraction
defence
display
attack
Correct answer is B
No explanation has been provided for this answer.
A major adaptive feature of endoparasites is the
loss of the organ of movement
presence of claws
loss of the central nervous system
presence of piercing mouthparts
Correct answer is A
No explanation has been provided for this answer.
Genetically modified food products have not become universally accepted because
they are not as tasty as others produced by conventional means
they are often costlier than those produced by conventional means
their effects on human consumers are not yet fully understood
the technology can be applied only in developed countries
Correct answer is C
No explanation has been provided for this answer.
The Rhesus factor of blood was first identified in a category of
monkeys
human females
human males
chimpanzees
Correct answer is A
No explanation has been provided for this answer.