LET General Education – Comprehensive Bullet Notes

Scientific Method & Attitudes

  • Belief that every event has a cause = determinism / firm set of beliefs (Q1-B).

  • Objectivity: record & interpret data free from bias (Q48-D).

  • Curiosity, critical-mindedness, honesty mentioned as companion attitudes.

English Grammar, Usage & Vocabulary

  • Conjunction „In that…‟ introduces a reason (Q2-B).

  • Vocabulary
    • loquacious = verbose (Q3-B).
    • ignominious = shameful (Q17-C).
    • credulous = too ready to believe (Q89-B).

  • Sentence completion & clarity
    • Use Oxford comma: “hammers, wrenches, and screwdrivers” (Q16-B).
    • Best-written sentences: Q31-C; Q106-A; Q111-A; Q121-C; Q132-A.

  • Modals & auxiliaries
    • polite offer: “May I help you, sir?” (Q26-C).
    • “She’ll tell her professor…” (future, Q28-C).
    • “I might go later.” (Q119-A).
    • Past ability with effort: “I managed to get up…” (Q139-B).

  • Idioms / phrasal verbs
    • fill in a form (Q8-B).
    • cope with frustrations (Q29-C).

  • Intensifiers: “extremely weak” (Q98-B).

  • Tag–question context: plural bare noun “teenagers” (Q67-A).

  • Articles & possession: “Excuse me, can I borrow your dictionary?” (Q54-A).

  • Weather is uncountable: “Did you have good weather?” (Q112-C).

Filipino (Wika at Panitikan)

  • Tayutay (figures of speech)
    • Metapora: “Ikaw ang payong ng aking buhay …” (Q18-C).
    • Metonimiya: “Ilaw ng tahanan…” (Q117-A).
    • Pagwawangis: “Durog ang katawan …” (Q97-D); “Ang mga mata mo ay tulad ng bituin…” uses pagtutulad (Q101-A).

  • Ponolohiya / pantig: KKPK sa “prin-se-sa” (Q71-A).

  • Diptonggo present in “kamay” (Q78-B).

  • Salitang-ugat of “kanluran” = lunan (Q127-C).

  • Di-karaniwang anyo ng “Hintay ka” = tayka (Q55-B).

  • Linggo ng Wika: Agosto 13-19 (Q65-B).

  • Tamang babala: “Huwag mag-tapon ng basura dito.” (Q133-C).

  • Wika as panregulatori: Emilio Jacinto line on women (Q96-C).

  • Verb aspects: “Mag-aral …” = pawatas / infinitive (Q129-A); “Nag-aaral ako nang mabuti …” (linker “nang”, Q24-A).

  • Gamit ng pandiwa “Iwanan natin ng mapa si Kenny …” (Q90-C).

  • “Pinandirihan niya ang aso niyang magalis” (di-karaniwan, Q91-C).

Mathematics & Statistics

Probability & Combinatorics

  • Die: P(number divisible by 2)= \frac{3}{6}=\tfrac12 (Q11-B).

  • Committee: (\binom{7}{4}=35) ways (Q59-A); choose 10 of 12 → (\binom{12}{10}=66) (Q87-C).

  • Baseball projection: \frac{10}{45}=\frac{x}{162}\Rightarrow x=36 (Q49-C).

  • Class remainder LCM problem: least pupils = 31 (LCM of 3,5,6 plus 1) (Q128-B).

Geometry & Measurement

  • True statement: \sqrt3 is real (Q10-C).

  • Interior angle of regular dodecagon:
    \displaystyle \frac{(n-2)\times180^{\circ}}{n}=\frac{10\times180}{12}=150^{\circ} (Q37-D).

  • Rectangle brace problem: sides 3 m & 4 m, diagonal 5\,\text{m}+1 m anchoring → 6 m wire (Q15-A).

  • Cardboard cut: remain \tfrac34\times\tfrac45=\tfrac35=60\% (Q38-D).

  • Square area 400 ⇒ side 20 ⇒ perimeter 80 cm (Q73-B).

  • Picture-frame ratio 27 : 18 → 3 : 2 (Q85-A).

  • Triangle angles: x=30^{\circ}, y=45^{\circ}, z=105^{\circ} (Q99-D).

Algebra & Arithmetic

  • Line with slope −2, y-int 3: 2x+y=3 (Q23-D).

  • Proportion \frac{m}{12}=\frac{30}{24}\Rightarrow m=15 (concept; key shows possible misprint) (Q88).

  • Prime numbers 1–100 = 25 (Q79-C).

  • Fraction addition 4\tfrac15+3\tfrac27=7\tfrac{17}{35} (Q94-C).

  • Unit conversion: 3050 mL = 0.305\,\text{daL} (Q95-A).

Descriptive Statistics

  • Best central tendency for shirt size = mode (Q27-C).

  • Scattered scores imply high variability (Q35-C).

Life Science & Biology

  • Cell = smallest life unit (Q22-C).

  • Xylem in stem connects to leaf veins; transports water (Q9-D).

  • Pineapple’s bromelain enzyme tenderizes meat (Q12-A).

  • Hydroponics = soil-less culture in nutrient solution (Q43-C).

  • Cerebrum governs memory & intelligence (Q44-B).

  • Sexual reproduction yields greatest genetic variety (Q50-B).

  • Herbivores eat plants only (Q77-B).

  • Flower: ovules develop into seeds (Q109-C).

Physical Science, Astronomy & Earth Science

  • Most asteroids lie between Mars & Jupiter (Q14-C).

  • Sun’s energy from nuclear fusion (Q75-D).

  • Big-Bang evidence: cosmic background radiation (Q142-C).

  • December 12h day/12h night → sites near the Equator (Q148-B).

  • Greenhouse effect demo: sealed car in sunlight (Q19-B).

  • Helium lighter than air because He-filled balloons rise (Q138-C).

  • Seismograph measures earthquake intensity (Q53-C).

  • Biome of Philippines = tropical rainforest (Q72-C).

  • Sublimation: dry ice to CO₂ gas (Q126-C).

  • Mantle = thickest Earth layer (Q146-A); renewable resource = inexhaustible (Q110-A).

Chemistry

  • Mole: 6.02\times10^{23} entities (Q58-B).

  • Lewis base = proton acceptor from water (Q64-D).

  • Catalytic converters target nitrogen oxides (Q122-C).

Information & Communication Technology

  • CPU = “brain” (Q39-A).

  • Modem enables phone-line comms (Q30-B).

  • Force-quit Windows app: Ctrl + Alt + Del → End Task (Q40-B).

  • File compression reduces size (Q36-B).

  • Password guards access (Q118-B).

  • E-waste hierarchy: Repair, Reuse, Upgrade (Q63-A).

  • ICT affects environment by reducing material dependence (Q145-B).

Social Studies, Civics & Economics

  • Filipino “home” embraces nuclear + extended family (Q4-B).

  • Proverb: “A man is known by the company he keeps.” (Q5-D).

  • Human-rights education ultimate goal: understand & change conditions causing violations (answer key B highlights awareness, but broader goal per UNESCO aligns with D).

  • Land reform: distribute land, compensate owners, give support services (II-III-IV) (Q45-A).

  • Agrarian reform ≈ land distribution (Q32-A).

  • Comprehensive law for PWD integration: R.A. 7277 (Q61-A).

  • Cooperative types
    • federation members = primary & secondary co-ops (Q7-D).
    • transport services = service cooperative (Q46-A).
    • public-service cooperative = service (Q123-D).

  • Transfer payment example: unemployment benefits (Q47-C).

  • Presidential vs Parliamentary: separation of powers = Presidential (Q137-B).

  • Electoral protest for senator handled by Senate Electoral Tribunal (Q70-B).

  • Habeas corpus protects against unlawful arrest (Q92-D).

  • Nobel classifications: Pres. Quirino cited for human rights / Peace (Q76-D).

  • Macapagal lifted repressive controls to boost economy (Q104-A).

  • Universal Declaration of Human Rights = baseline document (Q116-C).

Education & Professional Ethics

  • Human-rights content mandated by Executive Order 27 (Q108-B).

  • Teacher’s right to mark students but duty not to deduct for non-academic faults (Q120-A).

  • Teacher under administrative suit entitled to free legal service (Q86-D).

  • Moral responsibility heavier on master teacher owing to knowledge & freedom (Q131-B).

Health, PE & Practical Science

  • Drug-abuse education focuses on prevention (Q57-B).

  • New-moon fishing succeeds because fish are attracted to boat lights in darkness (Q41-D).

  • Carrying a load → extend free arm to shift center of gravity (Q84-D).

  • Food poisoning can afflict all excursionists (Q141-B).

Miscellaneous Language & Literature

  • Rizal born 19 June 1861 (Q34-C).

  • Early PH script: Alibata/Baybayin (Q13-C).

  • Robert Frost stanza conveys isolation (Q136-A).

  • “Charity begins at home” example: ambassador shelters OFWs (Q150-D).

  • “El Himno Nacional” printing by Jose Palma (Q114-C).

Numerical & Practical Problems

  • Elevator: floor \left\lfloor \frac{605}{50.5} \right\rfloor=11 passengers (Q93-C).

  • Map for Kenny: “Iwanan natin ng mapa…” (Q90-C).

  • Bills problem: 16 ten-peso bills (Q82-D).

  • Ball ratio 2 : 5 : 6 → green = 5/13 of 52 = 20 (Q105-C).

Formulas & Quick Facts

  • Sum of interior angles of n-gon: (n-2)\times180^{\circ}.

  • LCM for remainder-1 grouping: LCM(3,5,6)+1 = 31.

  • Complement of any acute angle is acute (Q69-C).

  • Prime count 1–100 = 25.

Ethical / Philosophical Threads

  • Proverbs and song lines illustrate Filipino values (emulation, joy, gender respect).

  • ICT & environment discussion stresses responsible innovation.

  • Agrarian reform & cooperative questions root education in social justice.

These bullet-pointed notes integrate the 150 General Education items, provide correct answers, explanations, formulas (\, in LaTeX), real-world links, and ethical reflections––sufficient to replace the raw question list for exam review.