Which of the following is not a constituent of blood plasma?
Proteins
Mineral salts
Water
Platelets
Correct answer is D
No explanation has been provided for this answer.
Which of the following statements is true about blood groupings?
Group AB can donate blood to all other groups
Group O are universal recipients
Group A has A antigen in its plasma
Group O has no antigen
Correct answer is D
No explanation has been provided for this answer.
Which of the following groups contains a non-supporting structure in animals?
Cartilage, bone and pseudopodia
Pellicle, chitin and bone
Humerus, ribs and cartilage
Femur, pellicle and chitin
Correct answer is A
No explanation has been provided for this answer.
The advantages of sexual reproduction include the following except
it allows the formation of new species
it allows production of desirable traits
it permits variation of individuals
it provides means for the variation of chromosome number from generation to generation
Correct answer is D
No explanation has been provided for this answer.
Display is a phenomenon which occurs when an animal is
ready for mating
fighting to defend itself
approaching puberty
chasing away an intruder
Correct answer is A
No explanation has been provided for this answer.