Correct Answer: C. Number of industries and land areas

Correct Answer: B. 14

Explanation

Median = \(\frac{N}{2}\)th age

= \(\frac{50}{2}\)th age

= 25th age

= 14 years

Correct Answer: B. Peter and John

Explanation

(a) Elasticity of supply is the degree of responsiveness of the quantity supplied of a commodity to a change in the price of the commodity.

OR \(\frac{% in Quantity Supplied}{% in Price}\)

(b) Supply is elastic when a certain percentage change in price leads to a greater percentage change in the quantity supplied OR When the coefficient of elasticity of supply is greater than one.

(c) Factors that influence elasticity of supply are:

(i) Availability of factors of production: Where factors are easily available, supply will be elastic and vice versa.

(ii) The higher the cost of production, the more inelastic the supply or vice versa.

(iii) Possibility of factor substitution. If the input required in producing a good have many substitutes, supply will be elastic. But if there are no substitutes supply Will be inelastic.

(iv) Production Time: Production takes time, the shorter the period it takes to produce a good the more elastic the supply. For products whose production time is long, supply will be inelastic in the short run.

(v) Number of different goods produced by the producers: Where the producer produces many goods the supply of any one good will be elastic. This is because when the price of a good changes the producer can easily increase the supply by diverting resources to it or decrease the supply by taking resources away from its production. Where the producer produces only one good supply will be inelastic.

(vi) Number of different markets in which the producer can sell: If he sells in many markets, the supply in any one market will be elastic since he can increase or decrease the supply in any of the markets.

(vii) Capacity utilization When producers have spare capacities supply will be elastic or vice versa

(viii) Durability of the product. Durable commodities tend to be more elastic than non-durable goods.

(ix) The ease of entry of new firms into the industry makes supply elastic. Restrictions of new firms make supply inelastic.

Correct Answer: C. Tafawa Balewa, Obafemi Awolowo, Nnamdi Azikiwe and Ahmadu Bello

Correct Answer: B) DNA

Explanation

The question is asking about what controls the reproduction of cells. The options are RNA, DNA, mRNA, and Mitosis. The correct answer is B, DNA. DNA is found in the nucleus of cells and it contains the genetic information that controls the characteristics of an organism. When a cell reproduces, it must first replicate its DNA so that the new cell will have the same genetic information as the original cell. This process is called DNA replication. Mitosis is the process of cell division, which is controlled by the DNA. mRNA is a type of RNA that carries genetic information from the DNA to the ribosomes, where it is used to make proteins. So, while mRNA is involved in the process of protein synthesis, it does not control the reproduction of cells. Therefore, the correct answer is B, DNA.

Correct Answer: A. iambic

Explanation

(a) The term Karst Topography is one which is made up of a large stretch of limestone. It is known as limestone region. Example is the Karst District of Yugoslavia.

(b) FEATURES OF KARST TOPOGRAPHY

(i) Pillars.

(ii) Glints.

(iii) Uvala.

(iv) Poiges.

(v) Crike.

(vi) Sink holes

(vii) Limestone gorge.

(viii) Swallow holes.

(ix) Dolines.

(x) Stalagnite and stalagtiles.

(xi) Dry valleys

(c) CHARACTERISTICS OF KARST REGION

(i)Absence of surface drainage,

(ii) Presence of joints

(iii) Inadequate vegetation cover.

(iv) Underground drainage.

(v) Highly soluble.

(vi) Bleak landscape occasionally broken by precipitous slopes.

(vii) Presence of swallow holes, limestone gorges, doline, uvala.

(viii) Resurgent streams.

(ix) Caven or carvens.

(x) Presence of dry surface valleys.

Correct Answer: B. ₦ 5,000

Correct Answer: C. International laws

Explanation

International laws can significantly affect the sovereignty of a state. Sovereignty refers to the full right and power of a governing body to govern itself without any interference from outside sources or bodies. However, international laws, which are designed to regulate relations between states, can limit this sovereignty to some extent. The other options do not have as large an impact on state sovereignty.