An immersion heater rated 400W, 220V is used to heat a liquid of mass 0.5kg. If the temperature of the liquid increases uniformly at the rate of 2.5^oC per second, calculate the specific heat capacity of the liquid. [Assume no heat is lost]

• A. 1100Jkg^-1K^-1
• B. 320Jkg^-1K^-1
• C. 200Jkg^-1K^-1
• D. 176Jkg^-1K^-1

Which of the following is obtained from rubber tree?

• A. fibre
• B. latex
• C. sisal
• D. silk

Answer the following question below and choose the option opposite in meaning to the underlined word or phrase in. The management wants to consider herreticent behaviour in due course.

• A. disapproving
• B. disciplinarian
• C. contemplative
• D. loquacious

The agency responsible for investigating allegations of maladministration in the civil service is the

• A. Federal Civil Service Commission
• B. Code of Conduct Bureau
• C. Public Complaints Commission
• D. Federal Character Commission

(a) mention four caste found among termite nests

(b)(i) state one role of each caste to the colony.

(ii) mention two ways by which termites are of economic importance to man

(c)(i) mention two types of courtship behaviour in lower animals

(ii) state two importance of courtship behaviour in the reproduction of lower animals

(d) Describe briefly the courtship behaviour exhibited by Agama lizard

Which of the following best describes the role of the civil service?

• A. promoting the interest of civil servants
• B. advising government and implementing its policies
• C. keeping records for government
• D. providing information on government and its agencies

Saul, still breathing threats and murder against the disciples.... went to the high priest for authority to

• A. pick up at Damascus all who belonged to the way
• B. supervise the stoning of Stephen
• C. proclaim a total ban on Jewish practices
• D. meet Jesus on the road to Damascus

Anonymity of civil servants means that they

• A. should be seen and heard
• B. should engage in partisan police
• C. should work hard for their superiors
• D. do not take praise or blame for their performance

Addition of aqueous ammonia to a solution of Zn⁺ gives a white precipitate which dissolves in an excess of ammonia because?

• A. zinc is amphoteric
• B. zinc hydroxide is readily soluble
• C. zinc forms a complex which is readily soluble in excess ammonia
• D. ammonia solution is a strong base

A retirement insurance policy which enables the assured to receive income for a specific period is?

• A. annuity
• B. endowment
• C. whole life
• D. fidelity guarantee