Ripple in a power supply unit is caused by

• A. using an alternating current source
• B. forward voltage drop
• C. heavy load
• D. using a zener diode

The fundamental property of a propagating wave which depends only on the source and not the medium of propagation is the?

• A) wavelength
• B) harmonies
• C) frequency
• D) velocity

From the words lettered A to D below each of the following sentences, choose the word or group of words that is nearest in meaning to the underlined word as it is used in the sentence.

Olu insisted on hisfreedom to choose his career.

• A. wish
• B. independence
• C. ability
• D. right

During the eukaryotic cell cycle, what is the function of the G2 checkpoint?

• A. Prevents cells from undergoing mitosis until all chromosomes have completely replicated and any DNA damage has been repaired.
• B. Prevents sister chromatids from separating before each chromatid is secured to a spindle microtubule.
• C. Ensures that the cell has matured to a sufficient state before beginning synthesis.
• D. Ensures that each daughter cell has received the correct number of chromatids after cell division.

Which of the following cases cannot produce total internal reflection? A light ray travelling from

• A. glass to water
• B. kerosene to air
• C. air to water
• D. water to ice

A yes or no vote cast by electorate to decide an important issue in an area is known as

• A. franchise
• B. plebiscite
• C. electorate college
• D. public opinion

The major objective of farm planning is to?

• A. maximize the use of available resources
• B. control insects pests of crops
• C. control diseases among animals
• D. reduce losses due to natural disasters

What is crop science?

• A. The study of agricultural machinery and equipment
• B. The study of weather patterns and their impact on crop growth
• C. The study of soil fertility and nutrient management
• D. The study of plant genetics and breeding

Sales - #232,000 Opening stock - # 28,000 Purchases - #128,000 Carriage inwards - # 4,000 Carriage outwards - # 6,000 Closing stock - # 10,000 Discount received - # 18,000 Expenses - # 20,000 Calculate the expenses debited to the profit and loss account

• A. #17,000
• B. #23,000
• C. #26,000
• D. #30,000

For this question, select the option that best explains the information conveyed in the question. These job cuts are just the thin end of the wedge

• A. Job cuts are very rampant
• B. Job cuts are the inconclusive
• C. Job cuts are the beginning of unpleasant situations
• D. Job cuts are the beginning of healthy rivalries