Biology 11th Grade Guess Work 2023 Punjab Board. The students in the 11th grade are involved in their studies and work hard to do well on their exams. We have offered all subjects’ second-year guess papers, and we have now agreed to keep doing so for the first-year intermediate. For the first year, we offer guess papers for the FSC, ICS, ICOM, FA, and other exams. Any student can comment here if he or she is taking a different subject and there isn’t a guess paper for that course on our portal. Biology 11th Grade Guess Work 2023 Punjab Board.
Guess paper 2023 Punjab Board 11th Class Biology
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Biology Guess paper 2023 Punjab Board 11th Class
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11th Class Biology Guess paper 2023 Punjab Board
Students can download these biological level 11 guessing test papers from the Educatehell.com website to prepare for good results in the annual exam. There are many guessing test papers, which are helpful to students. These guessing test papers are very helpful for getting the best results. These guess papers are available in English and Urdu. You can also get online guessing essays for all other subjects in the first year from here. Guess the test papers are made by experienced teachers on the basis of previous board exams for the convenience of students. Download the 2023 Biology Level 11 Guessing Test Paper, start practicing immediately, don’t waste any time.
|Board||All Punjab Board|
|keyword||11th class Past Paper 2023 All Pakistan Board Board|
|Subject||All Subject ( Biology, Chemistry, Physics, Urdu , Islamiyat, English, Math, Home Economics, Pak Studies, General Science Guess Paper | Past Paper 2023|
1st year 11th Class Biology Guess paper 2023
Differentiate b/w population & community
.How does theory differ from the law?
What is integrated disease management?
Differentiate b/w chemotherapy, radiotherapy & gene therapy.
What is the hydroponic technique? Give its importance.
Write a note on vaccination.
Define biome with an example.
Define phyletic lineage & biodiversity.
Differentiate b/w deductive reasoning & inductive reasoning.
Define biochemistry. Give its importance.
Differentiate b/w glycosidic & peptide bonds.
Define lipids. Give two roles of waxes
Differentiated b/w saturated & unsaturated fatty acid. Give the structure of lecithin.
What is the active site of an enzyme?
Differentiate b/w apoenzyme & holoenzyme.
What are cofactors & activators of enzymes?
How does an enzyme accelerate a metabolic reaction?
Write four characteristics of enzymes.
What is the induced fit model? Who proposed this model?
How does high temperature affect enzyme activities?
What is the role of pH in enzyme action?
Give optimum pH values for any two enzyme actions.
What are enzyme inhibitors? Give two examples.
Differentiate b/w reversible & irreversible enzyme inhibitors.
Differentiate b/w competitive & non-competitive enzyme inhibitors?
Write down salient features of cell theory.
Differentiate by phagocytosis & pinocytosis.
Give the chemical composition of primary & secondary cell wall
.Give three functions of the smooth endoplasmic reticulum.
Define storage diseases with two examples.
What is the location of centrioles in the cell & what is their role?
Differentiate b/w chromoplasts & leucoplasts.Differentiate b/w cisternae & cristae.
What are peroxisome, polysome & ribosome?
Define species & virology with examples.
Give biological classification of corn.
Differentiate b/w lytic phage & lysogenic phage.
Write down symptoms & prevention of hepatitis.
Write four postulates of germ theory.
What are mesosomes? Describe their function.
Write misuse of antibiotics. What are trichomes?
Give the structure & function of Heterocysts.
What are super blue-green algae? Give its importance.
What are choanoflagellates?
What are tritonymphs? Give their importance.
Write two characteristics of ciliates.
Differentiate b/w micronucleus & macronucleus.
Differentiate b/w foraminiferas & actinopods.
What are apicomplexans? Give one example.
How do algae differ from plants?
What are red tides?
What are kelps? Name the parts of the thallus of kelp.
Green algae are considered ancestral organisms of green land plants,
why? What is Chlorella? Give its significance.
What is the importance of algae?
What are lichens? Give their ecological importance.
Differentiate b/w karyogamy & plasmogamy.
Differentiate b/w rusts & smuts
.What is budding & para sexuality?
What are toadstools? Give example.
What is histoplasmosis? Give its causes.
Give the scientific name of yeast used in genetic research.
Define hyphae. Give their two types.
What is mycorrhiza? Give its importance
What are dikaryotic hyphae? Give example
Why bryophytes plants are called amphibious plants?
How do spores of mosses differ from spores of liverworts?
What is an alternation of generation? Give its significance.
Why sphenopsida are called arthophytes?
Differentiate b/w microphylls & megaphylls.
Define double fertilization in angiosperms.Give its importance.
Differentiate b/w monocot stem & dicot stem.
Write the importance of sponges.
Define polymorphism with example.
Write down the importance of corals.
Differentiate b/w infestation & disinfestations.
Write names and uses of any two useful insects.
Define nymph & metamorphosis.
Give three characteristics of chordates.
Give the role of swim bladder in bony fishes.Give two commercial importance of sharks.
Define regeneration & maderporite.
Write names and harms of any two harmful molluscus.
Differentiate bw photosynthesis & respiration.
Define photosynthesis with equation.
What is compensation point? Where it occurs?
Write down the molecular formula for chlorophyll “a” and b”.
What are necessary pigments in plants? Give their importance.
Differentiate b/w absorption & action spectrum.
Differentiate b/w photosystem and photosystem
What is Z-scheme?
What is fermentation? Explain its types.
Distinguish b/w nutrients & nutrition
.Write components & functions of saliva.
Name various types of the salivary gland in man.
Differentiate b/w peristalsis & anti-peristalsis.
How hunger pangs are caused?
What is heart burn or pyrosis?
Name types of cells present in gastric glands.
What prevents the wall of stomach from being digested?
How secretion is produced in man? What is its effects on the pancreas in a man?
What is the role of the liver in the digestion of food?
Differentiate b/w organismic and cellular respiration?
What is photorespiration?Name organelles involved in it. Write the names of its products.
What is rubisco? Write its importance.
Define respiratory surface. Give three properties.
Differentiate b/w cutaneous & pulmonary respiration in frogs.
What are counter-current exchange and parabronchi?
Differentiate b/w diaphragm and pleura. Name some respiratory disorders and explain one
.What is emphysema? Write its symptoms.
What is a diving reflex?
Differentiate b/w water potential & solute potential.
Differentiate b/w plasmolysis & deplasmolysis.
Differentiate b/w apoplast & symplast pathway.
Differentiate b/w single & double circuit heart.
What are blue babies?
What is brain hemorrhage? Give its two preventive measures.
1. (a).How the study of biology helped mankind to improve the production of food.
(b). Define cloning. Discuss its types & importance.
2. (a). Describe the importance of water of life.
3. (a).Describe primary & secondary structure of protein.(b). Compare DNA and RNA. Explain different types of RNA.
4. (a). Write a note on the Endoplasmic reticulum.(b). What are plastids? Explain the structure & function of chloroplast
5. (a). Describe the structure and function of mitochondria.(b). Differentiate b/w prokaryotic & eukaryotic cells.
6. (a). Describe life cycle of a bacteriophage.(b). How HIV is transmitted? Give a sketch of the infection cycle of HIV.
7. (a). Define hepatitis. Describe its symptoms, causes & types(b).Describe different classes of bacteria on the basis of flagella.
8. (a). Discuss the process of nutrition in bacteria.(b). Describe different physical & chemical methods to control bacteria.
9. (a). Write down characteristics of cyanobacteria.(b). Explain the taxonomic status of fungi.
10. (a). Discuss different methods of asexual reproduction in fungi.
11. (a). Give adaptations of fungi on land. (b). Describe land adaptations of bryophytes.
12. (a). What is an alternation of generation? Give its significance.(b). How the evolution of the leaf took place?
13. (a). Enlist steps involved in the evolution of the seed
14. (a). Draw and describe the Calvin cycle in photosynthesis. (b). What is glycolysis? Sketch its various steps.
15. (a). Draw the sketch and explain Krebs’s cycle. (b). Give digestion in the cockroach.
16. (a). Describe digestion in the oral cavity of man.(b). Describe absorption of digested food in the small intestine.
17. (a). Write a note on (i) Anorexia nervosa (ii) Bulimia nervosa (iii) Obesity(b). Why transpiration is a necessary evil?
18. (a). Explain various functions of human blood.(b). Describe the lymphatic system. Write its functions. (C). Define immunity. Give its types