MR FEMI SOLUTIONS UPDATES🎓👑👑

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✅ EKITI PHYSICS OBJECTIVE ANSWERS 01. (a) kg 02. (a) ampere 03. (c) micrometer screw gauge 04. (c) micrometer screw gauge 05. (b) MLT⁻² 06. (b) 0.1cm 07. (a) sec 08. (a) regular (periodic) 09. (b) distance 10. (a) friction 11. (e) All of the above 12. (e) All of the above 13. (a) translational 14. (b) U²sin2θ/g 15. (a) Person walking on a slope 16. (d) 50m 17. (d) 250J 18. (c) 100m/s 19. (b) 10m/s 20. (c) 38000kg/m³ 21. (a) conduction 22. (b) radiation 23. (a) 48N 24. (a) equal and opposite 25. (d) velocity 26. (c) 3s 27. (b) vector 28. (b) 60cm/s 29. (a) 0.1N 30. (b) 40N 31. (b) inertia 32. (d) air resistance on the bullet 33. (a) 250Ns 34. (b) 324cm³ 35. (c) 2.5 36. (a) 5:1 37. (b) Hygrometer 38. (b) doubled 39. (a) frequencies 40. (d) polarization 41. (b) diffraction 42. (a) real 43. (b) film 44. (c) 7.3 45. (d) convex lens 46. (c) short sight 47. (d) solids and liquids 48. (a) 140N 49. (c) 2.5 × 10⁻³ 50. (b) dispersion SECTION B 1a. l Motion is the change in position of an object with respect to time. 1b. State four parameters from which the motion of an object can be described: • Displacement • Velocity • Acceleration • Time 2a. Temperature is the measure of the average kinetic energy of particles in a substance. 2b. Because clinical thermometers contain mercury, which expands and could burst the thermometer when exposed to high temperatures like boiling water. 3a. Power is the rate at which work is done or energy is transferred. 3b. • Force applied • Distance moved • Time taken to do work 4a. A shadow is a dark area or shape produced by an object blocking the path of light. 4b. 1. Umbra: The darkest part of a shadow where all light is blocked. 2. Penumbra: The lighter part of a shadow where light is partially blocked. 5b. Young’s modulus is the ratio of stress to strain in a material within the limit of elasticity. 5c. State the physical quantities one has to measure in order to determine Young’s modulus: • Force applied • Extension produced • Original length of material • Cross-sectional ar

IJMB LITERATURE SECTION A (a) The subject matter of the poem is the escalating conflict and mutual suspicion between two neighbors, initially symbolized by a shared fence meant to represent peace, which transforms into an obsessive and destructive wall-building endeavor, ultimately leading to their ruin. (b) The poem is written in free verse, lacking a consistent rhyme scheme or meter, which allows for a fluid narrative that mirrors the neighbors' escalating actions. The use of enjambment and varied line lengths creates a sense of urgency and reflects the chaotic progression of their conflict. (c) (i) Metaphor: "mutual fence" symbolizes the initial peace that deteriorates into division. (ii) Personification: "the ground, so overgrown" suggests the land is affected by their neglect and conflict. (iii) Hyperbole: "Higher! Higher!" exaggerates their frantic efforts to build the wall. (iv) Oxymoron: "battlement of peace" juxtaposes a defensive structure with the concept of peace, highlighting irony. (d) The neighbors' claim that their fences symbolize peace is ironic. In reality, the fences—and later the wall—symbolize growing mistrust, hostility, and division, as their obsessive reinforcement leads to mutual destruction rather than harmony. (e) The poet contrasts the original peaceful intent of the "mutual fence" with the present scene of obsessive wall-building and ruin to emphasize how fear and paranoia can corrupt an initial symbol of unity into a source of conflict and eventual downfall. (f) The phrase "battlement of peace" is unusual because a battlement, typically a fortified defensive structure in warfare, is incongruous with peace. This oxymoron underscores the irony that what they build to protect peace becomes a tool of their own destruction.

IJMB LITERATURE

ENUGU STATE BECE HISTRO

(4b) Types of Lichens (i) Crustose: Grow flat and tightly attached to surfaces (e.g., rocks). (ii) Foliose: Leaf-like, loosely attached with a lobed structure (e.g., on tree bark). (iii) Fruticose: Shrubby or hair-like, three-dimensional growth (e.g., reindeer moss). - Range Forms Lichens thrive in diverse habitats, from arid deserts to arctic tundra, indicating a wide ecological tolerance, often ranging from 0°C to 30°C and varying humidity levels

(i) Crustose: Grow flat and tightly attached to surfaces (e.g., rocks). (ii) Foliose: Leaf-like, loosely attached with a lobed structure (e.g., on tree bark). (iii) Fruticose: Shrubby or hair-like, three-dimensional growth (e.g., reindeer moss). - Range Forms Lichens thrive in diverse habitats, from arid deserts to arctic tundra, indicating a wide ecological tolerance, often ranging from 0°C to 30°C and varying humidity levels ================================================== (3) (i) Symbiosis: A close and long-term interaction between two different biological species, where at least one benefits (e.g., mutualism, commensalism, parasitism). (ii) Halophytes: Plants adapted to grow in high-salinity environments, such as salt marshes, by tolerating or excluding salt. (iii) Biological control: The use of natural enemies (e.g., predators, parasites) to manage pest populations, reducing the need for chemical pesticides. (iv) Pollution: The introduction of harmful substances or energy (e.g., chemicals, noise) into the environment, causing adverse effects on ecosystems ================================================== (2) (FILL THE GAPS CORRECTLY) i. ferns ii. amyloplast iii. aestivation iv. isogamy v. ascospores vi. bacilli vii. rhizoids viii. psilophyta ix. prokaryotes x. mycelium ==================================================

2025 IJMB BIOLOGY ANSWERS ================================================== THEORY ANSWERS (6a) Angiosperms, commonly known as flowering plants, represent the most diverse and widespread group of land plants, comprising over 300,000 species, including crops like rice, wheat, and ornamentals like roses. They are distinguished by their reproductive structures, flowers, which contain male stamens and female pistils, facilitating pollination by insects, wind, or other agents. A unique feature is double fertilization, where one sperm fertilizes the egg to form the embryo, while another fuses with polar nuclei to create the endosperm, a nutrient-rich tissue for the developing seed. This process occurs within an ovary, which develops into a fruit enclosing the seed, enhancing seed dispersal and protection. Angiosperms possess advanced vascular tissues—xylem for water and mineral transport, and phloem for nutrient distribution—allowing them to grow into large trees, shrubs, or herbs. Their evolutionary success is attributed to efficient reproduction, adaptability to various climates, and symbiotic relationships with pollinators. Economically, they are vital, providing food, timber, medicines (e.g., aspirin from willow), and textiles, making them foundational to human civilization and ecosystems worldwide. (6b) Alternation of generation is a life cycle characteristic of plants and some algae, involving a regular alternation between two distinct multicellular phases: the diploid sporophyte and the haploid gametophyte. The sporophyte, which produces spores through meiosis, is the dominant phase in vascular plants like angiosperms, where it forms the familiar plant body (e.g., stem, leaves, flowers). These spores germinate into the gametophyte, a smaller haploid phase that produces gametes (sperm and eggs) via mitosis. Fertilization of gametes restores the diploid sporophyte, completing the cycle. In bryophytes (e.g., mosses), the gametophyte is dominant, with the sporophyte dependent on it, while in angiosperms, the gametophyte is reduced to structures like pollen and the embryo sac within the flower. This alternation ensures genetic diversity by separating spore and gamete production, adapting plants to terrestrial environments by balancing reproductive and vegetative phases. The cycle’s complexity, especially in seed plants, supports their evolutionary success and ecological dominance. ================================================== (5a) Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product. (5b) Vascular tissue is a complex conducting tissue system in plants, primarily responsible for the transport of water, minerals, and nutrients throughout the plant body. It is a defining characteristic of vascular plants (tracheophytes), enabling them to grow to larger sizes and colonize diverse terrestrial environments. THERE ARE TWO MAIN TYPES OF VASCULAR TISSUE: (i) Xylem: Primarily responsible for the upward transport of water and dissolved minerals from the roots to the rest of the plant. It also provides structural support. Xylem is composed of several cell types, including tracheids and vessel elements (which form the main conduits for water), as well as parenchyma and fibers. (ii) Phloem: Primarily responsible for the translocation of sugars (produced during photosynthesis) from leaves to other parts of the plant where they are needed for growth or storage. Phloem consists of sieve-tube elements (the conducting cells), companion cells (which support the sieve-tube elements), parenchyma, and fibers. These two tissues are typically arranged together in vascular bundles, which can be found in roots, stems, and leaves, forming a continuous transport network throughout the plant. ================================================== (4a) View Image here (4b) Types of Lichens

Ijmb biology

(4b) Types of Lichens(i) Crustose: Grow flat and tightly attached to surfaces (e.g., rocks). (ii) Foliose: Leaf-like, loosely attached with a lobed structure (e.g., on tree bark). (iii) Fruticose: Shrubby or hair-like, three-dimensional growth (e.g., reindeer moss). - Range Forms Lichens thrive in diverse habitats, from arid deserts to arctic tundra, indicating a wide ecological tolerance, often ranging from 0°C to 30°C and varying humidity levels ================================================== (3) (i) Symbiosis: A close and long-term interaction between two different biological species, where at least one benefits (e.g., mutualism, commensalism, parasitism). (ii) Halophytes: Plants adapted to grow in high-salinity environments, such as salt marshes, by tolerating or excluding salt. (iii) Biological control: The use of natural enemies (e.g., predators, parasites) to manage pest populations, reducing the need for chemical pesticides. (iv) Pollution: The introduction of harmful substances or energy (e.g., chemicals, noise) into the environment, causing adverse effects on ecosystems ================================================== (2) (FILL THE GAPS CORRECTLY) i. ferns ii. amyloplast iii. aestivation iv. isogamy v. ascospores vi. bacilli vii. rhizoids viii. psilophyta ix. prokaryotes x. mycelium ==================================================