Which of the following does not encourage the formation of rainfall?

• A. converging wind
• B. ascending wind
• C. descending wind
• D. warm wind

Loan schemes by thrift societies are?

• A. mortage schemes
• B. conventional schemes
• C. mutual schemes
• D. unconventional schemes

A number of shops under one roof is a

• A. chain store
• B. department store
• C. discount store
• D. unit store

The part of the alimentary system of a bird where grinding of maize occurs is the

• A. crop
• B. stomach
• C. gizzard
• D. cloaca

The marks scored by 50 students in a Geography examination are as follows :

60 54 40 67 53 73 37 55 62 43 44 69 39 32 45 58 48 67 39 51 46 59 40 52 61 48 23 60 59 47 65 58 74 47 40 59 68 51 50 50 71 51 26 36 38 70 46 40 51 42.

(a) Using class intervals 21 - 30, 31 - 40, ..., prepare a frequency distribution table.

(b) Calculate the mean mark of the distribution.

(c) What percentage of the students scored more than 60%?

One major problem of development in the Niger-Benue trough is

• A. inadequate rainfall
• B. very high relief
• C. desert encroachment
• D. inadequate water supply

All the following are source of finance to a joint stock company except

• A. debentures
• B. cooperative loans
• C. shares
• D. bank loans

A group of 11 people can speak either English or French or Both. Seven can speak English and six can speak French. What is the probability that a person chosen at random can speak both English and French?

• A. \(\frac{2}{11}\)
• B. \(\frac{4}{11}\)
• C. \(\frac{5}{11}\)
• D. \(\frac{11}{13}\)

Copper is an important raw material in the

• A. chemical industry
• B. oil refining industry
• C. pharmaceutical industry
• D. electrical industry

The ability of the cockroach to live in cracks and crevices is enhanced by the possession of

• A. wings and segmented body
• B. compound eyes
• C. claws on the leg
• D. dorso-ventrally flattened body