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Since both (R) (red color) and (T) (tallness) are dominant traits, only the (RrTt) offspring will display the phenotype of being tall with red fruits, which comprises exactly (25%) of the total progeny.

No expanded working has been attached for this question yet. The verified answer is Option D.

No expanded working has been attached for this question yet. The verified answer is Option C.

No expanded working has been attached for this question yet. The verified answer is Option A.

No expanded working has been attached for this question yet. The verified answer is Option A.

No expanded working has been attached for this question yet. The verified answer is Option D.

No expanded working has been attached for this question yet. The verified answer is Option C.

No expanded working has been attached for this question yet. The verified answer is Option A.

a) Branch of Biology which involves the use of specimens A, B, C, D, E, and F is Ecology. (b) Function of specimens: A /thermometer: is used to measure temperature or the hotness/coldness of an object, B /rain gauge: is used to measure amount or quantity of rain/rainfall/precipitation, C /meter rule: is used to measure distance/depth of water/length of an object, D /sweep net: is used to catch or collect flying insects; E /wind vane: is used to determine wind direction/direction of wind. F/quadrat: is used for population studies/determine the population of small organisms/small plants/crawling insects. (C) Description of the use of Specimens B and D: Specimen B (Rain gauge): - it is placed in an open area/without vegetation/not under a building;-On an elevated platform (at least 8cm above ground level) to avoid rain splashes or run off) - After each rainfall, the amount of water collected in the measuring cylinder is noted and recorded; - over a period of time: - amount of rainfall is calculated using the formula: \(\frac{Rainfall (cm)}{ Time/Period}\) = \(\frac{D^{2} \times h}{d^{2}}\). (D= diameter of collecting cylinder); (d = diameter of funnel mouth); (h height of rain water in cylinder). Specimen D (sweep net): the habitat is chosen; - the sweep net is held by the handle;-it is swung in the air to catch organisms or insects;-the number and types of insects caught are trapped in the container. -the trapped insects are counted and recorded. (e) Organisms associated with the use of Specimens D(sweep net) and Specimen F quadrat Specimen. D (Sweep net): Butterfly, grasshopper, dragonfly, praying mantis. Specimen F (quadrat) Ant; millipede; beetle; garden snail; tridax; waterleaf or talinum; spear grass, grasses.

(a)i) Kingdom and Class of Organism from which Specimen H (quill feather) could be Obtained: Kingdom -->Animalia Class --> Aves (ii) Location on the Body of Organism from which Specimen H (quill feather) could be Obtained: Wing (s) or tail(s). (iii) Example of Organism from which Specimen H (quill feather) could be Obtained Chicken, pigeon, domestic fowl, cock, hen, vulture, ostrich, duck, gull. (b(i) Differences between Specimens H & J: Specimen H Specimen J/Palm frond Barbs present Barbs are absent Vanes present Vanes are absent Vein absent Vein present Shaft/rachis present Shaft/rachis absent Midrib absent Midrib present Petiole absent Petiole present Smaller in size Larger in size Sharp margin absent Sharp margin present Non-green in colour Green in colour Barbules present Barbules absent Calamus present Calamus absent Inferior/superior umbilicus present Inferior/superior umbilicus absent Aftershaft present Aftershaft absent Barbs are diagonal Venation is parallel Blunt end Tapers at the end/apex Short barb(s) Long leaflet Sharp apex absent Sharp apex present ii) Similarities between Specimen and J: - they both possess point attachment; they both posses apex - they both have margin; - both have glossy surface. (c) Functions of specimen H (quill feather) and Specimen J (palm frond) to the organism that posses them Specimen H:-Flight/flying:- Insulation;-Camouflage; - Sexual / courtship display;- Protection: - Waterproof; identification: - Gives shape. Specimen J: Photosynthesis manufacture of food /transpiration. gaseous exchange. (d) Observable Features that Adapt Specimens H and J to their Functions: Specimen H (quill feather): - strong and firm, to beat against air/wind/protection/insulation; -Hollow shaft / rachis/light weight; for buoyancy; - interlocking barbules/closely packed barbs for upthrust,color for camouflage courtship display/identification; glossy surface; for waterproof. Specimen J (Palm frond): - green colour for photosynthesis; veins; for conduct / transport of water/nutrient / food; -glossy/waxy surface; makes it waterproof.

In the diagram, Thus, m = 2 x 55\(^o\) (is a bisector of obtuse m = 110\(^o\) n = \(\frac{1}{2}\) x 110\(^o\) (angle at centre = 2 x angle at circum) n = 55\(^o\) m + n = 110 + 55 = 165\(^o\)

2\(\frac{1}{4} \times 3\frac{1}{2} \div 4 \frac{3}{8}\) = \(\frac{9}{4} \times \frac{7}{2} \div \frac{35}{8}\) = \(\frac{9}{4} \times \frac{7}{2} \times \frac{8}{35}\) = \(\frac{9}{5}\) = 1 \(\frac{4}{5}\)

Work is done whenever the given conditions are satisfied. (ii) there is a displacement of the body caused by the applied force along the direction of the applied force. No displacement takes place in this case. So, work done by a centripetal force is always zero. The work done by centripetal force in the case of a uniform circular motion is 0 joules.

H = \(\frac{U^2sin^2 \theta}{2g}\) H = \(\frac{200^2(sin 45^o)^2}{20}\) = 999.8m or 1000m