Guess Paper of Biology 9th class All Boards


Guess paper

Biology is a important subject known in all over the world. It is very important subject for those students who have wish to become a doctor. With the help of biology we also got progress in many other field. Paperpks is the only web who guide all students that how solve a paper and also share all important questions of all Books. Here we share with you some important long question of Biology.

Important Long Questions of 9th Class for Biology

  • Is “root hair” a cell in plant or not.  Also describe its structure.
  • Give the Structure of Ribosomes and Golgi apparatus.
  • Write down the function of Ribosome’s in cell.
  • Where is found nervous tissue.
  • What are conducting tissues in plants for water. Write two kinds of its cell.
  • What is Muscle Tissue. Give its different Types And What is the function of muscular tissue.
  • Describe the major animal tissues (epithelial, connective, muscular and nervous) in terms of their cell specificities, locations and functions
  • Describe any four types of epithelial tissues in detail.
  • What are epithelial tissues. Give their functions.
  • Describe the steps complex in solving a problem through biological method.
  • How the principle of ratio and proportion are used in biological method.
  • How would you Write Difference between population level and community level of Biological organization.
  • How is that we will not observe the movement of water in the stem, it the leaves of plant are covered with cellophane paper.
  • What are the problems faced by animal and plant cells to, maintain their water quantity.
  • What is meant by “Source” in plants also explain with an example.
  • Write biological name and importance of mustard plant.
  • Briefly describe the factors that affect the activity of enzymes.
  • Simple diagram draw to explain that Enzyme lower the Activation Energy By which ways Enzymes lower their Activation Energy.
  • Define characteristic of enzymes which makes them specific for substrates.
  • What do you know about catalytic activity of enzymes.
  • What is the difference between intracellular and extra cellular enzymes.
  • Explain the use sources and deficiency symptoms of vitamin C in the body.
  • How are vitamins A, C and D important in human diets.
  • Define role vitamin D in human body.
  • Describe five kingdoms Classification .
  • What is Molecular biology. What molecules are studied in it.
  • Who discover the lock and key model and define lock and key model.
  • Compare respiration photosynthesis.
  • What is the role of chlorophyll and light in photosynthesis.
  • Write about principles of modern cell theory.
  • Define work of Robert Hooke in cell theory.
  • Explain Water Balance Problems in Plants and Animals.
  • Describe the role of Nitrogen and Magnesium in plants.
  • Write a detail note on ulcer.
  • Explain Diarrhoea.
  •  What is difference between Physiology and Morphology.
  •   Explian Difference between paleaontology and parasitology.
  •  Difference between Inductive reasoning and deductive reasoning.
  •  Difference between endocytosis and exocytosis.
  • Describe the Cohesion tension theory to explain transpiration of Water in Plant.
  • What are the different factors that affect the rate of Transpiration.
  • What do you mean by transpiration also explain it.
  • If all the stomata are closed but the results with cobalt chloride are the same as in your experiment, how would you explain it.
  • Write about Platelets.
  • Write a vivid note on structure and function of nucleus.
  • Write a note on White Blood Cells.
  • Write a note cardiovascular disorder.
  • Define carbohydrates.
  • Write a short message on lysosomes.
  • Write a note on Lipids in Food.
  • What further things besides carbon dioxide might pass into or out of the leaf from end to end the stomata.
  • Most leaves have many more stomata in the lower epidermis than on the upper epidermis recommend the reasons.
  • What is meant by Necrosis. Write its causes Also describe different events and some distinctive patterns of Necrosis.
  • Write down any two aims of classification briefly.
  • Define the word of classification and what are its aims basis also explain principles.
  • Explain digestive system of Frog.
  • Write down the role of root hairs in roots of plants also explain  the function of root hairs.
  • What are the functions of roots in plants and how would you recount the internal structure of root with the uptake of water and salts.
  • What is Genetic recombination. What is its significance.
  • Explain the impact of human being on biodiversity.
  • Write down the steps for conservation of biodiversity.
  • What do you know about electron transport chain.
  • Explain metaphase and anaphase from phases of mitosis.
  • Explain the changes which take place during prophase of mitosis.
  • Describe the some errors in meiosis.
  • Define balanced diet and how would you relate it with age, sex and activity.
  • Explain three rules followed when giving scientific names of living organisms. In what ways the respiratory energy is used in the body of organisms.
  • Explain energy budget of respiration process in detail.
  • What is Binomial Nomenclature. Give its major rules with examples and also give its significance.
  • What are the benefits of using binomial nomenclature.
  • Write down the importance of Fertilizers.
  • Explain with example that distinction between organic and inorganic fertilizers is not always clear cut.
  • Describe the structure and function of centrioles and vacuoles.
  • What are centrioles also give their function.
  • What is meant by Heart Beat. Describe the steps of a complete Cardiac Cycle and how the sounds of dubb and dub are produced.
  • Write Difference theory and law.
  • Write Difference between somatic and germ line cells.
  • Discuss four phases of inter phase during cell cycle.
  • What is the cell cycle and what are it main phases.
  • Explain the steps involved in dark reaction.
  • Define biology Describe the major divisions and branches of biology.
  • Contribution of Jabir Bin Hayan, Abdul Malik Asmai and Bu Ali Sinain biology.
  • How Biology is related to other Sciences. Describe any five.
  • What difficulties can you foresee in using oil test with samples which contain both lipids and water.
  • What four chambers make the human heart and how blood flows through these Chambers.
  • How blood circulates in various chambers of heart.
  • Define vitamin.
  • Write Difference between qualitative and quantitative observations.
  • Write Difference between primary and secondary walls.
  • Define physiology and embryology.
  • How blood disorder Leukemia is different from another disorder thalassaemia.
  • Does the red blood cell appear to be a rigid or a flexible structure.
  • What is Diffusion. Explain it with examples.
  • What are the effects of change in Substrate Concentration on the rate of Enzyme Action.
  • Write down the note on roles of Calcium and Iron
  • Write a note on meristemetic tissues
  • Write a note on Apoptosis.
  • What is meant by blood transfusion. Discuss Blood transfusions in ABO blood group System
  • What is the relation between the diameters of the red blood cells and the capillaries
  • What is the difference in blood pressure in pulmonary and systemic circulation.
  • Write a comprehensive note on the role of Liver.
  • Define Light Microscope and Electron Microscope.
  • Write a comprehensive note on limiting factors in photosynthesis.
  • Write Difference between bio-physics and bio chemistry.
  • Difference between xylem are phloem tissues.
  • Write Difference between apoptosis and necrosis.
  • Explain three main types of organisms placed in Kingdom protista.
  • Explain general characteristics of Kingdom Protista and Plantae.
  • Who discovered the ATP molecule.
  • What is the function in cell.
  • Write Difference connecting Plant Mitosis & Animal Mitosis.
  • Difference between anabolism and catabolism.
  • Write Difference between diffusion and facilitated diffusion.
  • Difference involving diffusion and osmosis.
  • Write Difference among the plant and animal cells with the help of suitable diagram.
  • What is the difference between Prokaryotic and Eukaryotic, explain briefly.

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