The circuit diagram below contains four ammeters W, X, Y and Z, Which of the following statements about the ammeter readings is correct

• A. The reading of W is equal to that of Y and twice that of X
• B. The reading of Y is greater than that of Z
• C. The readings of W and Y are equal and each is greater than that of X
• D. The reading of Z is equal to the sum of the readings of Y and W

Traffic regulations are mainly meant for all

• A. private drivers
• B. road users
• C. pedestrians
• D. truck drivers

Temperature inversion occurs when

• A. Warm air rises over cold air in the tropics
• B. Temperature remains the same with height
• C. Temperature increases with horizontal distance
• D. Temperature increases with height

Trees are deciduous when they

• A. have throny barks and fleshy leaves
• B. are in pure stands having just one type of species C. generally shed their leaves during one season of the year D. do not shed their leaves at any season of the year
• C. generally shed their leaves during one season of the year
• D. do not shed their leaves at any season of the year

The total land area of Nuriki District is

• A. 290sq km
• B. 300sq km
• C. 310sq km
• D. 320 sq km

Which of the following waves are longitudinal waves? l. Ripples on the surface of water II. Waves produced by a tuning fork vibrating in air III. Light waves IV. Waves produced by a flute

• A. I and II only
• B. I and III only
• C. II and III only
• D. II and IV only

(a) Define Public opinion

(b) Explain three factors that can promote public opinion in a state

Student X titrated 25 cm³ of Na₂CO₃ with 0.1 mol dm?³ HCI, using methyl orange as indicator. Student Y carried out the same exercise but used phenolphthalein as an indicator. Which of the following statements about the titration is true?

• A. hydrogen chloride gas was released in the reactions in both titrations
• B. the titer values obtained from the titration are equal
• C. the tirer value obtained by X is twice that of Y
• D. the titer value obtained by Y is twice that of X

A particle starts from rest and moves in a straight line such that its acceleration after t secs is given by \(a = (3t - 2) ms^{-2}\). Find the distance covered after 3 secs.

• A. \(10m\)
• B. \(9m\)
• C. \(\frac{13}{3} m\)
• D. \(\frac{9}{2} m\)

In complex food relationships in a community, the primary, secondary and tertiary consumers are referred to as

• A. symbionts
• B. omnivores
• C. heterotrophs
• D. autotrophs