Which of these sets enhances nucleation of rural settlements?

• A. Several sources fo water and wet points
• B. Narrow valleys and rugged highlands
• C. Fertile broad plains and natural harbours
• D. Dissected plains and wet intersections

The expression \(\frac{5x + 3}{6x (x + 1)}\) will be undefined when x equals

• A. {0, 1}
• B. {0, -1}
• C. {-3, -11}
• D. {-3, 0}

In the following passage, the numbered gaps indicate missing words. Against each number in the is below the passage, our options are given in columns lettered A to D. Choose the word that is most suitable to fill the numbered gaps in the passage.

Jim had his first -71- in professional boxing when he was seventeen and that match has remained indelible in his memory. Before the match, he had gone for a weigh-in along with other boxers. On the D-day, he came into the -72-- amidst loud cheers from the spectators after he had ten called by the -73 -. He was wearing customized trunks and - 74- to prevent damage to his hands.

Jim and his - 75- - moved round throwing punches at each other. Jim threw a right -76-, left himself open and got cut by a strong counter punch. After this attack from his rival, Jim raised his arms and held his -77-- in front of his face to protect himself by -78 - the punches as they came.

During the second --79-, Jim delivered a sucker punch which got his opponent in the ribs lading to loss of consciousness. Consequently, Jim won the game by - 80-

• A. contestant
• B. fighting partner
• C. opponent
• D. sparring partner

Particles of mass 10^^-2kg is fixed to the tip of a fan blade which rotates with angular velocity of 100rad-1. If the radius of the blade is 0.2m, the centripetal force is

• A. 2 N
• B. 20 N
• C. 200 N
• D. 400 N

The minimum energy required to remove an electron from an atom is known as

• A. excitation energy
• B. ionization energy
• C. binding energy
• D. photon energy

A radioactive isotope has a decay constant of 10-5s4. Calculate half life

• A) 6.93 x 105s
• B) 6.93 x 105s
• C) 6.93 x104s
• D) 6.93 x 104s

Which of these is not involved in forest land enforcement?

• A) Forest guards
• B) Forest rangers
• C) Police officers
• D) Forest officers

The process of walking is under the control of the part of the brain called

• A. optic lobe
• B. olfactory lobe
• C. cerebellum
• D. medulla oblongata

One of the negative effects of colonial rule on West African states was the

• A. building of roads and rail network
• B. social interventions
• C. western education
• D. dependency syndrome

Two major groups of immature and weekly developed soils in Nigeria are?

• A. regosols and ferrisols
• B. lithosols and ferrisols
• C. ferrisols and ferrasols
• D. regosols and lithosols