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(a) The writer's intention is to show that anybody can master the art of speech-making. Or The writer's intention is to teach how to be a good public speaker. The writer's intention is to give guideline for effective speech-making. (b) (i) The first step is to get sufficient information so that one may speak confidently. (ii) The speaker should not rush into making a speech so that he may overcome anxiety. (iii) The speaker should introduce humour into the speech so as to ease tension. (iv) The speaker should look at the friendly faces occasionally, in order to feel at ease. (v) The speaker should write out and rehearse his speech so that he may become very familiar with it.

Butterflies use their antennae for feeling, smelling, and detecting motion: Antennae: These sensory organs are located at the top of a butterfly's head and are similar to a butterfly's nose. They help butterflies detect chemicals in the air, such as the smell of flowers or a potential mate. They also help with balance and detecting motion. Tactile setae: These are found on the head and abdomen of monarch larvae. However, the part that develops into the organ that feels is I - Option D

The diagram above is the pupa of a butterfly with parts labelled II as the Silk thread - Option A

Feature In monocots In dicots Number of parts of each flower in threes(flowers are trimerous) in fours or fives (tetramerous or pentamerous) Number of furrows or pores in pollen one three Number of cotyledons (leaves in the seed) one two Arrangement of vascular bundles in the stem scattered in concentric circles Roots are adventitious develop from the radicle Arrangement of major leaf veins parallel reticulate

In a fish, the pelvic fin rays are the bones forming the fin beneath the pelvic girdle, the pectoral fin rays are the bones forming the chest fin and the pelvic girdle are the set of bones forming the pelvis. They are used for controlling steering, balancing, and changing the direction of the fish.

The earliest known evidence of hair is whiskers on therapsids, which were mammal-like reptiles that lived around 290 million years ago. Therapsids are considered the ancestors of modern mammals. Hair is a defining biological characteristic of all mammals. However, some species have evolved to have so little hair that they appear nearly naked.

A coelom is a fluid-filled body cavity that is lined with mesodermic tissues. Coelenterates, also known as cnidarians, are acoelomates, meaning they do not have a coelom. Instead, they have a gastrovascular cavity, which is not a true body cavity. Every other animals in the options have coelum except coelenterata - Option D

unique characteristics of mammals include but not limited to ; Most young are born alive, presence of a pair of testes inside a scrotal sac outside the body of the male, Brains better developed than in other classes of animal with superior intelligence, presence of hair or fur in the skin, presence of external ears as cartilagenous funnel like pinnae etc.

The order in which organic evolution has progressed in plants is Schizophyta(prokaryotes), Thallophyta, Bryophyta, Pteridophyta, and Spermatophyta

Growth hormone, also called somatotropin, peptide hormone secreted by the anterior lobe of the pituitary gland. The pituitary gland is located in the brain, between the hypothalamus and the pineal gland, just behind the bridge of the nose. Hence, the growth hormone is secreted by the head region.

The combination of the Bowman's capsule (II) and Glomerulus (I) make up the Malpighian body.

The part labeled III is called the distal convoluted tubule. It plays a critical role in a variety of homeostatic processes, including sodium chloride reabsorption, potassium secretion, and calcium and magnesium handling.

Bacteria in the large intestine also make some important substances, such as vitamin K (see Vitamin K), which plays an important role in blood clotting.

Concave lenses, also known as minus lenses, are used to correct short-sightedness, or myopia: Concave lenses work by bending light rays outwards, which causes them to focus further back in the eye on the retina. This counteracts the tendency of short-sighted people to focus before the back of the eyeball.

The two main organs of the inner ear are the cochlea and the vestibular system(semi-circular canals): Cochlea:The organ of hearing, shaped like a snail, that converts sound into electrical impulses sent to the brain. Semi-circular canals: The organ of balance, made up of the semicircular canals, vestibule, and utricle and saccule. The semicircular canals respond to rotational movements, while the utricle and saccule respond to changes in head position.