Question 111:

• JAMB 1979

The complex relationship between the members of a community and between the community as a whole and its physical environment is

A. Ecosystem
B. Habitat
C. Environment
D. Niche
E. Micro habitat

Question 112:

• JAMB 1979

A secchi disc is used in the determination of

A. Rainfall
B. Tides
C. Waves
D. Turbidity
E. Current velocity

Question 113:

• JAMB 1979

The carrier of the hereditary character in plants and animal is the

A. Cell
B. Nucleus
C. Chromosome
D. Chloroplast
E. Gene

Question 114:

• JAMB 1979

Which one of the following option is not true for mucor of Rhizophus? it

A. Grows on moist dead organic matter
B. Is a plant
C. Has cellulose cell-wall
D. Reproduce asexually by producing a spore
E. Has no chlorophyll

Question 115:

• JAMB 1979

Which of these is not an enzyme?

A. Pepsin
B. Gastrin
C. Amylase
D. Chymotrypsin
E. Trypsin