If Biology feels huge, breathe. Most exams repeat patterns. With the right focus, you can score high without memorizing entire books. In this friendly guide, we’ll simplify concepts, share memory tricks, and give you bite-size practice so you can handle general biology questions for competitive exam with confidence.
Why Biology Is a High-Return Subject
Biology is more fact-oriented than heavy-math. That means:
Direct questions from NCERT-level facts
Diagrams and definitions that repeat
Quick wins if you revise smart
This is exactly why general biology questions for competitive exam can become your scoring anchor—less calculation, more clarity.
What Examiners Usually Ask
Most general biology questions for competitive exam come from these core buckets:
Cell & Biomolecules – organelles, cell division, carbohydrates/proteins/lipids, enzymes
Genetics & Evolution – Mendel’s laws, blood groups, DNA/RNA, Darwin vs. Lamarck
Human Physiology – digestion, respiration, circulation, excretion, nervous/endocrine systems
Plant Physiology – photosynthesis, transpiration, plant hormones
Reproduction – human reproductive system, menstrual cycle, contraception; plant pollination & fertilization
Ecology & Environment – food chain/web, biogeochemical cycles, biodiversity, pollution
Health & Disease – pathogens, immunity, vaccines, common diseases & prevention
Biotechnology – recombinant DNA, PCR, cloning, applications
Knowing the buckets helps you predict general biology questions for competitive exam and control your revision time.
How to Study: Smart, Not Endless
Here’s a simple approach that works:
Start with summaries: Read chapter summaries first, then details.
Make micro-notes: One sticky note = one idea. (e.g., “Insulin—lowers blood glucose; made by β-cells in pancreas.”)
Revise diagrams: Label major parts (heart, nephron, chloroplast, flower).
Practice PYQs: Past-year patterns show which general biology questions for competitive exam repeat.
Teach a friend: If you can explain it, you’ve learned it.
Quick Memory Tricks (Mnemonics you’ll actually use)
Taxonomy order: King Philip Came Over For Good Soup (Kingdom → Phylum → Class → Order → Family → Genus → Species)
Photosynthesis stages: Light FIRST, Sugar NEXT (Light reactions → Calvin cycle)
Classification levels of protein structure: Primary-Peptide, Secondary-Spiral, Tertiary-3D, Quaternary-Teamwork
Hormones of pituitary: FLAT PEG (FSH, LH, ACTH, TSH, Prolactin, Endorphins, GH)
These are the kinds of hooks that make general biology questions for competitive exam feel easier under pressure.
7-Day Kick-Start Plan (Plug-and-Play)
Use this one-week plan to warm up for general biology questions for competitive exam:
Day 1: Cell & organelles + 30 MCQs
Day 2: Biomolecules & enzymes + 30 MCQs
Day 3: Genetics basics + Punnett squares + 30 MCQs
Day 4: Human Physiology (digestion + circulation) + 40 MCQs
Day 5: Plant Physiology + photosynthesis diagram + 30 MCQs
Day 6: Ecology + cycles + 30 MCQs
Day 7: Mock test + error log + revision of weak topics
30-Day Finish-Strong Plan
If your exam is a month away, this plan will keep general biology questions for competitive exam in daily rotation:
Weeks 1–2: Read NCERT summaries + topic-wise MCQs (200–300 total)
Week 3: Full-length mocks (3–4) + analysis; write one-line takeaways for every mistake
Week 4: Only revision + formula/facts sheets + diagram labeling drills
Topic-Wise High-Yield Checklists
Use these lists to cover what examiners love to ask in general biology questions for competitive exam.
Cell & Biomolecules
Prokaryotic vs. eukaryotic features
Mitochondria = ATP powerhouse; Ribosome = protein synthesis
Enzymes: lock-and-key vs. induced-fit; factors affecting activity (pH, temperature)
Genetics
Mendel’s laws; monohybrid/dihybrid ratios
Codominance (AB blood group), multiple alleles
DNA vs. RNA differences (sugar, bases, strands)
Human Physiology
Digestive enzymes and their sites
Heart anatomy; pathway of blood; systole vs. diastole
Nephron structure; role of ADH in water reabsorption
Plant Physiology
Light reaction (thylakoids) vs. Calvin cycle (stroma)
Stomatal regulation; transpiration factors
Auxin, cytokinin, gibberellin—basic functions
Ecology & Health
Food chain vs. food web; trophic levels; biomagnification
Nitrogen & carbon cycles
Active vs. passive immunity; vaccines; common diseases (malaria, TB)
Sample Practice: 35 One-Liners with Answers
A realistic taste of general biology questions for competitive exam you can expect:
Powerhouse of the cell? Mitochondria.
Site of protein synthesis? Ribosomes.
Hereditary unit? Gene.
Genetic material in most organisms? DNA.
Sugar in RNA? Ribose.
Cell division for growth? Mitosis.
Cell division for gametes? Meiosis.
Blood group with universal donor? O negative (practically).
Enzyme specificity model? Lock-and-key / induced fit.
Hormone regulating blood sugar (lowers it)? Insulin.
Respiratory pigment in humans? Hemoglobin.
Filtration unit of kidney? Nephron.
Largest organ in human body (by area)? Skin.
Vitamin for vision? Vitamin A.
Deficiency causing scurvy? Vitamin C.
Mineral for thyroid hormone? Iodine.
Green pigment in plants? Chlorophyll.
Site of photosynthesis in plant cell? Chloroplast.
Tiny openings for gas exchange in plants? Stomata.
Process of water loss from leaves? Transpiration.
Father of genetics? Gregor Mendel.
Energy currency of cell? ATP.
Vector of malaria? Female Anopheles mosquito.
Bacteria shape that is spherical? Coccus.
Immunity via antibodies from outside? Passive immunity.
DNA shape? Double helix.
Organ filtering blood besides kidneys (immune role)? Spleen.
Organ producing bile? Liver.
Gas taken in during photosynthesis? CO₂.
Gas released in photosynthesis? O₂.
Number of chambers in human heart? Four.
Blood vessel carrying blood away from heart? Artery.
Plant hormone for elongation? Auxin.
Process making identical organisms from a cell? Cloning.
Technique amplifying DNA segments? PCR.
How to Analyze Your Mistakes (Fast)
Your growth comes from error analysis. For general biology questions for competitive exam, try this quick loop:
Mark every wrong MCQ by topic (e.g., “Kidney physiology”).
Write a one-line correction (“ADH increases water reabsorption in the collecting duct”).
Revisit the same topic after 48 hours with 10 fresh MCQs.
If accuracy <80%, reread micro-notes + re-test in a week.
Diagram Drill (High Marks in Low Time)
Many general biology questions for competitive exam test labeled diagrams. Prioritize:
Heart: four chambers, valves, major vessels
Nephron: Bowman’s capsule, loop of Henle, collecting duct
Chloroplast: grana, stroma, thylakoids
Flower: stamen, carpel, ovule, pollen tube
Print blank diagrams and label them in 90 seconds each. Speed + accuracy = bonus marks.
Rapid-Fire Facts (Sticky Notes You’ll Reuse)
Insulin: Pancreatic β-cells; lowers blood glucose
Glucagon: Pancreatic α-cells; raises blood glucose
Hemostasis: Clotting; platelets + fibrin
Myopia vs. Hyperopia: Nearsighted vs. farsighted
Amoeba: Pseudopodia for movement
Antibiotics: Work on bacteria, not viruses
Vaccines: Train adaptive immunity (memory cells)
Keep a small deck of these for quick pre-mock revision of general biology questions for competitive exam.
Last-Week Revision Template
When 7 days remain, don’t open new books. For general biology questions for competitive exam, do this instead:
3 full-length mocks (alternate days)
Every evening: revise only the mistakes + related notes
Daily: 30-minute diagram drill
Sleep well; your recall depends on it
FAQs
Q1. Can I crack Biology without coaching?
Yes. A tight plan + NCERT + mocks is enough for general biology questions for competitive exam. Coaching helps with discipline, but self-study works if you stay consistent.
Q2. Which books should I use?
NCERT (9–12 basics), one MCQ bank, and PYQs. That’s the lean stack for general biology questions for competitive exam without overwhelm.
Q3. How many MCQs per day?
Start with 30–50. Near the exam, 70–100 with analysis. Quality review matters more than raw count for general biology questions for competitive exam.
Q4. What if I’m weak in diagrams?
Practice labeling within time. Keep a “diagram mistakes” sheet. You’ll see direct gains in general biology questions for competitive exam.
