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2023 Punjab Board 12th Class Biology Guess Paper
Around exam time, people may find themselves with no notes in their hands.It is critical to guess these test papers. It provides pupils with a thorough comprehension of the exam’s annual test papers. This essay has greatly benefitted you, and biology has also made our life easier. We will share a whole 12-level biological assessment study with you on this page. Students performed well in the annual examination.
Short Answers
- What exactly is lithotripsy?
- Determine the difference between hypotonic and hypertonic conditions.
- Define the term “homeostasis.” Consider its significance.
- Distinguish hemodialysis from peritoneal dialysis.
- What is sciatica and what causes it?
- Create and label a urea cycle.
Identify the many types of cells linked with bones
- What distinguishes parthenocarpy from parthenogenesis?
- Distinguish between identical and fraternal twins.
- What exactly do you mean by “open growth”?
- In chick embryos, how is the notochord formed?
- Include nonsense codons and how they work.
- What are the roles of mitosis and meiosis?
- Describe the alterations that occur during the G1 phase.
- What exactly is MODY?
- Distinguish autosomes from sex chromosomes.
- Define the term “fossil.” Where are the majority of the fossils discovered?
- Define the terms food chain and food web.
Define the terms biosphere and ecosystem.
- What kinds of species can be found in the lake’s profundal zone?
- Give the location of Pakistan’s Tundra ecosystem.
- Make a distinction between renewable and nonrenewable resources.
- Define dirt and list its elements.
- What is the greenhouse effect?
- Describe land exploitation.
- Why are trees referred to as environmental buffers?
- Write the names of the evolutionary hypotheses proposed by Lamarck and Darwin.
- Distinguish between ex vivo and in vivo gene therapy.
- How can ABO incompatibility protect against Rh-incompatibility in the developing baby?
- What function do blood types have in determining parentage?
Prolonged Questions
- Describe how plants excrete.
- Create Sliding Filament Muscle contraction model? What does it clarify?
- Describe in detail the Watson-Crick Model of DNA.
- Make a note of the Hydra and Planaria nervous systems’ deforestation and afforestation.
- What exactly is incomplete dominance? Use an example to demonstrate
- What exactly is ageing? Explain the reasons and symptoms.
- Make a note about test-tube infants.
- Give a thorough comparison between asexual and sexual reproduction.
- Define Mendel’s Independent Assortment Law. Use an example to demonstrate
- List four distinctions between nerve and chemical coordination.
- Describe chromosomal kinds based on centromeres.
- Make a note on the nitrogen cycle.
- Describe the biogeographic and fossil evidence for evolution.
- Describe the ABO blood grouping system.
Punjab Board 12th Class Biology Guess Paper 2023
Osmoregulation in diverse conditions, thermoregulation in animals, dialysis, liver excretion in plants, urine production and concentrators are all covered in Chapter 15.
Exoskeleton, Skull, and Vertebral Column are all covered in Chapter 16.
Plant Hormones, Pituitary Gland, Thyroid Gland, Adrenal Gland, Receptor Types, Nerve Impulse
Male and female reproductive systems are discussed in Chapter 18.
Growth Correlation (Chapter 19). Embryonic induction, Meristem
Chapter (20): DNA Replication, Transcription, Hershey & Chase/Meselson-Stahl Experiment, Genetic Code, Translation.
The law of segregation, Rh blood groups, sex determination, and colour blindness are all covered in Chapter 22. Incomplete dominance, Independent assortment, Test cross, numerous alleles, and diabetes are all examples of incomplete dominance.
Evolutionary evidences, Darwinism, Evolution from Prokaryote to Eukaryote, The Hard Weinberg theorem and factors (the only ones)
Symbiosis and the Nitrogen Cycle are covered in Chapter 25.
Chapter 27: Air pollution and its consequences, deforestation, and eutrophication