Division of labour leads to

• A. employment of everybody
• B. decrease in output
• C. monotony of work
• D. increase of time in workshops

A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were

• A. able to carry out holozoic nutrition
• B. able to carry out photosynthesis using carbon dioxide in the pond water
• C. better adapted to life in darkness than to life in light
• D. not overcrowded

The central legislature of Nigeria became bicameral in

• A. 1960
• B. 1951
• C. 1959
• D. 1963

The greenhouse effect is a climatic condition associated with the presence of excess

• A. carbon (IV) oxide
• B. hydrogen sulphide
• C. nitrogen (ll) oxide
• D. ammonia gas

Quran is an evidence for or against you is part of Hadith _____ of al Nawawi's collections.

• A. 21
• B. 22
• C. 23
• D. 24

The phloem parenchyma is sometimes used for

• A. food storage
• B. supporting the stem
• C. production of the sieve tube
• D. transporting water

Choose the optionopposite in meaning to the underlined word(s). Many Nigerian arewary of night journeys

• A. worried about
• B. satisfied with
• C. unscared of
• D. troubled about

During the 2008 POSTJAMB registration exercise which lasted 15 days, the number of candidates on the first day was 2000 but doubled daily in the next 4 days. Thereafter, it was 250 per day till the end. How many candidates registered for the exercise?

• A. 10 500
• B. 12 500
• C. 15 500
• D. 20 500

a. Explain each of the following terms:

i. agricultural ecology

ii. ecosystem

b. Mention:

i. two biotic components of a farm ecosystem

ii. three abiotic components of a farm ecosystem

c. State five precautions that should be taken during storage of bags of maize in a store

d. Give four examples of bedding plants

A consequence of global warming is

• A. air pollution
• B. water pollution
• C. increased humudity
• D. flooding