Explanation

(a)Meaning of Traffic regulations; Traffic regulations is a set of rules, guidelines and principles that direct and control vehicular traffic and other road users for effective road use and avoidance of accidents

(b) Reasons why inspection of vehicle documents is necessary;

i. To ascertain the road worthiness of vehicles

ii. To have a better information about holders of drivers license and permit

iii. To ensure the use of standard and proper vehicle parts

iv. To ensure validity of such documents

v. To ensure payments of approved dues by road users

vi. To discourage vehicle theft

vii. To ensure regular and adequate maintenance of vehicles

viii. To ascertain proof of ownership of vehicle(s)

ix. To ascertain and ensure sanity of road users

x. To ensure safety of lives and properties

Correct Answer: C. 2

Explanation

Binary consists of two digits, hence its radix being 2.

Correct Answer: C. Display of products

Correct Answer: B. lay days

Correct Answer: B. Bill of exchange

Explanation

A bill of exchange is of real use if it is accepted by the person directed to pay the amount. For example, if Mr. X orders Mr. Y to pay N10,000 for 90 days after the date and Y accepts this order by signing his name, then it will be a bill of exchange.

Correct Answer: C. a liquidator

Correct Answer: C. Direct service

Explanation

(a) Characteristics of the Equatorial Rain-forest:

(i) Some of hot humid areas around the equator, e.g. Amazon Basin West African Coastlands, Malaysia, Indonesia, Zaire Basins.

(ii) The trees are big and robust

(iii) They should be up to 60m in height

(iv) They have broad leaves

(v) Evergreen forest

(vi) The branches interlock, forming canopies which are in layers

(vii) Sunlight hardly reaches the ground

(viii) Numerous undergrowth

(ix) Three distinct layers are noticed, namely:

(a) upper

(b) middle

(c) lower

(x) Has the greatest number of plant species.

(xi) Different species of p!ants could be identified in small areas, example include: Obeche, Iroko, Walnut, Ebony, Mahogany, Epiphytes and Linnen fern.

(b) (i) Influence of climate on the equatorial rain forest

(ii) Heavy rainfall -supports numerous plant growth

(iii) High temperature supports the growth of trees, the mean (sea level) temperature of about 27°C with a range of 1° - 3°C enhances the growth of various species of plants.

(iv) Annual rainfall of above 2000mm supports the growth of luxuriant trees

(v) Rainfall throughout the year makes the forest evergreen, hence it is called evergreen forest.

Correct Answer: D. O\(_2\) and N\(_2\)

Explanation

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of other gases, too, such as carbon dioxide, neon, and hydrogen.

Correct Answer: B. zeugen