Jamb Biology Past Questions
Question 2326
In an angiosperm leaf, the xylem is
- A. beside the phloem
- B. surrounded by trhe phloem
- C. above the phloem
- D. around the phloem
- E. in separate bundles from the phloem
Question 2327
Blood platelets are important because they are
- A. amoeboid and nucleated
- B. produce antitoxins
- C. produce antibodies
- D. digest harmful bacteria
- E. release thrombin for blood clothing
Question 2328
The vein which returns blood from the head and arms to the heart is called
- A. aorta
- B. inferior vena cava
- C. superior vena cava
- D. pulmonary vein
- E. pulmonary artery
Question 2329
The function of lymph nodes is to
- A. supply oxygen
- B. filter out bacteria
- C. form red blood cells
- D. supply amino acids
- E. supply simple sugars
Question 2330
Partially digested food ready to leave the stomach is referred to as
- A. chyme
- B. curd
- C. glycogen
- D. paste
- E. roughage