Jamb 2018 Biology Questions
Question 11:
Which of the following structures is not a skeletal material?
- A Chitin
- B Cartilage
- C Bone
- D Muscle
Question 12:
The reason why the flow of blood through the capillaries is very slow is
- A Because the walls of Capillaries are very thin
- B To avoid high blood pressure
- C To ensure that the individual does not get dizzy
- D To allow adequate time for exchange of materials
Question 13:
Which of the following groups of organisms has kidney as the excretory organ?
- A Fishes, amphibians, birds, man
- B Fishes, amphibians, annelids, insects
- C Fishes, reptiles, birds, tapeworm
- D Fishes, protozoans, amphibians, man
Question 14:
Which of the following features is not a characteristic of arteries? Arteries
- A Possess valves at internals throughout their length
- B Have thick muscular and elastic walls
- C Carry blood away from the heart
- D Transport oxygenated blood with the exception of the pulmonary artery
Question 15:
The graph below shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.
Which of the statements below is valid?
- A The bird's blood was always warmer than that of the lizard
- B The body temperature of the bird varied less than that of the lizard during changes in environmental temperature
- C The body temperature of the bird remained constant despite changes in environmental temperature
- D The body temperature of the lizard was always close to that of the environmental temperature