The principle of collective responsibility is central to the

• A. presidential system
• B. federal system
• C. unitary system
• D. parliamentary system

An object which is 3cm high is placed vertically 10cm in front of a concave mirror. If this object produces an image 40cm from the mirror, the height of the image is

• A. 0.75cm
• B. 4.00cm
• C. 8.00cm
• D. 12.00cm

Calculate the total surface area of a cone of height 12cm and base radius 5cm. [Take π = 22/7]

• A. 180 5/7cm2
• B. 240 2/7cm2
• C. 235 5/7cm2
• D. 282 6/7cm2

Express the product of 0.21 and 0.34 in standard form

• A. 7.14 x 10^-3
• B. 7.14 x 10^-2
• C. 7.14 x 10^-1
• D. 7.14 x 10^-4

If events X and Y are mutually exclusive, P(X) = 1/3 and P(Y) = 2/5, P(X∪Y) is

• A. 0
• B. 2/15
• C. 4/14
• D. 11/15

What did God give to Ezekiel to eat in his vision?

• A. scroll
• B. bread
• C. manna
• D. burning coal

A leader who does not listen to people’s opinion before taking decisions is--------

• (a)monarch
• (b)hardworking
• (c)democratic
• (d)autocratic

The intermediate product formed when ethanol is progressively oxidized to ethanoic acid with potassium heptaoxodichromate (IV) is

• A. butanal
• B. ethanal
• C. methanal
• D. propanal

Choose the option that is most nearly opposite in meaning to the underlined word and that will correctly fill the gap in the sentence

Theprecarious terraces of the stadium have been transformed into a .... walkway.

• A. narrow
• B. smooth
• C. durable
• D. secure

Which part of pineapple do we generally plant?

• (a)the leaf
• (b)the tuber
• (c)the sucker
• (d)the root