Which part of the gill of fish is involved in gaseous exchange?
Gill slits
Gill bars
Gill covers
Gill filaments
Correct answer is D
No explanation has been provided for this answer.
The process by which plants convey food material to different parts of the body is called
nutrition
absorption
circulation
translocation
Correct answer is D
No explanation has been provided for this answer.
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.