Jamb Biology Past Questions For Year 2012
Question 6
Which of the following is involved in secondary thickening in plants?
- A. Collenchyma and xylem cells
- B. Vascular cambium
- C. Cork cambium and sclerenchyma
- D. Vascular cambium and cork cambium
Question 7
In the kidney of mammals, the site of ultrafiltration is the
- A. uriniferous tubule
- B. Bowman's capsule
- C. loop of Henle
- D. renal tubule
Question 8
Which of the following is a polysaccharide?
- A. Glucose
- B. Sucrose
- C. Maltose
- D. Cellulose
Question 9
The presence of stilt roots, pneumatophores, sunken stomata and salt glands are adaptive features of plants found in the
- A. tropical rainforest
- B. mangrove swamps
- C. gressland
- D. montane forest
Question 10
Organisms living in an estuarine habitat are adapted to
- A. withstand wide fluctuations in temperature
- B. survive only in water with low salinity
- C. withstand wide fluctuations in salinity
- D. feed only on phytoplankton and dead organic matter
