Correct Answer: (A) Verbal phrase

Correct Answer: B. fog and iceberg

Explanation

(a) Factors that affect type of soil formed at a place: (i) Parent material. (ii) Climate (iii) Topography/relief (iv) Time (v) Biotic factors (vegetation, living organisms, human influence).

(b) Agricultural and non-agricultural uses of land: (i) Agricultural uses of land: Crop production. Pasture establishment. Forestry. Wildlife and game reserve. Fisheries. Animal/ livestock production, Bee keeping, snail farming

(ii) Non-agricultural uses of land: Housing, transport network, Mining, industry, Social infrastructure (schools, markets, stadia, hospitals, etc)

(c) Functions and Deficiency Symptoms of nutrients in crops:

Nitrogen: Functions:

-Promotes vigorous vegetative growth of crops.

-It is responsible for the green colouration of leaves which is important for photosynthesis.

-It is a constituent of plant protein.

-Promotes good root, stem and leaf formation at the expense of fruit and tuber formation.

-It regulates the utilization of potassium and phosphorus by crops.

-It increases the succulence in leafy and fruit vegetables.

-Promotes synthesis of plant enzymes and auxins.

Deficiency symptoms:

(i) Stunted growth. (ii) Restricted root formation. (iii) Leaves turn yellow/yellowish green because of lack of chlorophyll/older leaves turn yellow. (iv) Premature leaf-drop. (v) Stems of crops are weakened especially in cereals. (vi) Premature flowering and fruiting of crops.

(ii) Potassium:

Functions:

- Potassium is an important constituent of plant tissues.

-Aids synthesis of carbohydrate.

- Activates various plant enzyme reactions.

- Promotes development of young plants.

- Necessary for neutralization of organic acids in plants.

- It is associated with stomata movement, hence influences water relationship within the plant.

- Helps in nitrate uptake from the soil.

- Essential for tuber formation.

- Essential for root growth.

-Aids in disease resistance.

- Provides resistance against lodging in plants.

- Neutralises organic acids in plants.

Deficiency symptoms: (i) Premature loss of leaves. (ii) Brown colour at margin of leaves. (iii) Weak stem development/susceptible to lodging. (iv) Delayed growth. (v) Mottling, curling and spotting of leaves. (vi) Results in stunted plants with short internodes.

(d) Ways in which soil structure is important in agriculture:

(i) Determines the number of pores in soil/aeration.

(ii) Determines water-holding capacity of soil.

(iii) Determines ease at which roots penetrate the soil.

(iv) Influences the extent of soil erosion.

(v) Determines the survival of micro-organisms.

(vi) Influences Cation Exchange Capacity (CEC).

(vii) Affects the performance of agricultural operations such as tillage, irrigation.

(viii) Supports the growth of crops.

(ix) Improves water percolation and infiltration.

(x) It influences fertility of the soil.

(xi) Promotes germination of seed.

Correct Answer: D. rhetorical

Correct Answer: A. government

Explanation

Members of the Board of Directors of Public Corporations are appointed by the by the minister heading the ministry

Correct Answer: D. nastic movement

Correct Answer: B) I and III only

Explanation

The first factor is the size of the undertakings. This refers to how big or small the business is in terms of its physical and financial resources. For example, a small grocery store would be considered a small-scale undertaking, while a multinational corporation like Coca-Cola would be a large-scale undertaking.

The second factor is the profits generated. This refers to the amount of money a business earns after deducting all the expenses. Businesses aim to make a profit as it indicates their success and sustainability. Profitable businesses can reinvest their earnings to expand and grow.

The third factor is the forms of ownership. This refers to who owns and controls the business. There are different forms of ownership, such as sole proprietorship, partnership, and corporation. Each form has its own advantages and disadvantages in terms of liability, decision-making, and taxation.

The fourth factor is the location of the undertakings. This refers to where the business is situated geographically. The location can affect the success of a business due to factors like proximity to customers, access to resources, and competition. For example, a retail store located in a busy shopping mall may have more customers compared to one located in a remote area.

Based on these factors, the correct answer to the question is Option B: I and III only, which means that the size of the undertakings and the forms of ownership are the factors used to distinguish commercial undertakings.

It's important to note that while profits generated and the location of the undertakings are relevant factors in evaluating businesses, they are not the specific factors mentioned in the question.

Correct Answer: C) Nearness to market

Explanation

Capital availability refers to the amount of money or resources that a business has access to. The availability of capital can determine the size and scale of a business unit. For example, if a business has a large amount of capital, it may be able to expand and open multiple branches or locations.

Ownership refers to who owns and controls the business. The form of a business unit can be influenced by whether it is owned by a single individual, a partnership, or a corporation. Different forms of ownership have different legal and financial implications.

The nearness to the market refers to how close a business is to its target customers. This can affect the form of a business unit as it determines factors such as transportation costs, access to customers, and competition. However, in this case, nearness to the market does not determine the form of a business unit.

The nature of the business refers to the type of products or services that the business provides. Different types of businesses require different forms of organization. For example, a manufacturing business may require a different form of organization compared to a retail business.

Based on the options given, the correct answer is Option C: Nearness to market. While nearness to the market is an important consideration for a business, it does not directly determine the form of a business unit. The form of a business unit is influenced by factors such as capital availability, ownership, and the nature of the business.

To learn more about this, please read the relevant sections of the recommended textbooks.

Correct Answer: A. says the opposite of what the speaker means

Correct Answer: D. prorogation