Neco Biology Past Questions and Answers

Question 171:

• NECO 2003

The biosphere can best be defined as part of the ____________

A. Atmosphere that contains moisture
B. Earth that contains gases
C. Earth that is liquid
D. Earth that supports life
E. Ocean that supports life

Question 172:

• NECO 2003

Translocation of food substances in plants takes place through ____________

A. Collenchyma
B. Parenchyma
C. Phloem
D. Sclerenchyma
E. Xylem

Question 173:

• NECO 2003

Herbicides are chemicals used to ____________

A. Check the spread of diseases
B. Control dormancy in seeds
C. Control insects
D. Control weeds
E. Control pests

Question 174:

• NECO 2003

The sun rays reach the earth’s surface by ____________

A. Conduction
B. Convection
C. Radiation
D. Reflection
E. Refraction

Question 175:

• NECO 2003

The following are effects of food shortage on population size EXCEPT

A. Competition
B. Decline in reproduction
C. Emigration
D. Increase in natality
E. Mortality