Which part of the gill of fish is involved in gaseous exchange?

• A. Gill slits
• B. Gill bars
• C. Gill covers
• D. Gill filaments

A major determinant of the demand for a luxury good is____________?

• A. the price of other goods
• B. the price of the good
• C. tastes and fashion
• D. the income of consumers

Solve \(3x^{2} + 4x + 1 > 0\)

• A. \(x< -1, x< -\frac{1}{3}\)
• B. \(x > -1, x > -\frac{1}{3}\)
• C. \(x > \frac{1}{3}, x< -1\)
• D. \(x< \frac{1}{3}, x > -1\)

In a solar panel for heat supply, state the function of each of the following parts: (a) metal flat plate; (b) thermal insulator: (c) tubes.

Which initiative was launched by the Buhari administration to tackle corruption in Nigeria?

• A. EFCC (Economic and Financial Crimes Commission)
• B. Operation Python Dance
• C. Operation Crocodile Smile
• D. Operation Lafiya Dole

A company was prohibited from producing bags made from natural leopard skin. This is an attempt to conserve

• A. land
• B. water
• C. wildlife
• D. minerals

The dry winds that blow out of the Sahara desert towards the southern parts of West Africa is known as

• A. fohn
• B. sirroco
• C. mistral
• D. harnattan

Given that v, f and \(\lambda\) are the velocity, frequency and wavelength of a wave respectively. Which of the following equations is correct?

• A. v = f²\(\lambda\)
• B. f = \(\frac{v}{\lambda}\)
• C. f = \(\frac{v}{\lambda^2}\)
• D. \(\lambda = \frac{f}{v^2}\)

How many Nigerians were elected into Legislative Council when the elective principle was applied in

• A. Two
• B. Three
• C. Four
• D. Five

Handwritten letters, typeset documents or printout Characters can be read into the computer by?

• A. Barcode Reader.
• B. Magnetic Ink Character Recognition.
• C. Optical Character Recognition.
• D. Optical Mark Reader.