Biology Essay Questions And Answers Pdf

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Content: 31 pages with 60 questions and answers. Explain the various ways in which a typical cell is adapted to its functions.

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2019 biology question paper with answer

Content: 31 pages with 60 questions and answers. Explain the various ways in which a typical cell is adapted to its functions. Explain how the various specialized cells are modified to carry out their functions in plants and animals.

Describe how the mammalian body protects itself against infections. Describe what happens to a meal of oily beans and maize from the time of ingestion up to the time of absorption. Outline and explain the various homeostatic functions of the liver in mammals.

Required in the dark stage of photosynthesis; it combines with the hydrogen ion from the light stage; to form glucose, proteins and lipids; low concentrations reduces the rate of production of energy and food; while high concentrations leads to an increase in the amount of energy and food formed;. It is used to break down water molecules through photolysis ; into hydrogen ions, oxygen and energy; the energy and hydrogen ions formed are used in the dark stage;.

Green pigment that traps light energy from the sun; that is used in photolysis of water molecules;. Forms a medium for the chemical reactions; it is split to yield hydrogen ions, oxygen and energy for use in the dark stage; solvent for the materials used in photosynthesis; Max. Long; and narrow; to increase the surface area for complete digestion of food; and maximum absorption of digested food; highly-coiled; to reduce speed of food flow; for maximum digestion; and absorption; presence of villi; and microvilli; to increase surface area; for maximum absorption; dense network of capillaries; to transport blood; for efficient transport of absorbed food; presence of lacteals; for absorption of fatty acids and glycerol molecules; presence of enzymes: Lipase; for digestion of lipids into fatty acids and glycerol; maltase; for digestion of maltose to glucose molecules; peptidase; for breakdown of peptides into amino acids; sucrase; for digestion of sucrose into glucose and fructose; lactase; for digestion of lactose into glucose and galactose; goblet cells; produce mucus; to lubricate the walls of the ileum; for smooth flow of food; coats the walls of ileum to prevent digestion by peptidase enzyme; Max.

Mechanisms of control and maintenance of a constant internal environment regardless of the external conditions; 2 mks. Describe the route taken by water from the soil up to the evaporating surface of a plant. This force, known as transpiration pull; helps in maintaining a continuous column of water from the roots to the leaves; water flows from the midrib into leaf veins from where it enters leaf cells; from the mesophyll cells, it enters the airspaces; then the substomatal air chambers; from where it evaporates through the stomata; to the atmosphere; Max.

Deoxygenated blood from body tissues except lungs ; enters the heart via the right auricle; through the venacava; it flows to the right ventricle; via the tricuspid valve; the right ventricle contracts; pumping blood; via the semi lunar valves; through the pulmonary artery; to the lungs for oxygenation; the oxygenated blood from the lungs; flow through the pulmonary vein; to the left auricle; via the bicuspid valve; to the left ventricle; the left ventricle contracts; pumping blood via the semi lunar valves; through the aorta; to the rest of the body tissues; Max.

The sphincter on the urethra relaxes to allow urine to be released from the body; Max. Secreted by the pancrease; in response to a decline in blood glucose level; it stimulates liver cells to convert the stored glycogen and fats back to glucose; stimulates the conversion of amino acids to glucose; and stops the oxidation of glucose in the body cells; the glucose formed is released to the bloodsteream causing a rise of blood glucose level to normal; Max.

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biology questions and answers for high schools pdf

Biology is the study of life processes characteristics and phenomena of living organisms. Toggle navigation. Anis Yusri. All credit goes to them. Q c State two observable features that enable the organism to move fast.

Explain how the various specialized cells are modified to carry out their functions in plants and animals. How are the leaves of higher plants adapted to their functions? Describe what happens to a meal of oily beans and maize from the time of ingestion up to the time of absorption. Explain why the following conditions are necessary for photosynthesis a Carbon IV Oxide Required in the dark stage of photosynthesis; it combines with the hydrogen ion from the light stage; to form glucose, proteins and lipids; low concentrations reduces the rate of production of energy and food; while high concentrations leads to an increase in the amount of energy and food formed;. Forms a medium for the chemical reactions; it is split to yield hydrogen ions, oxygen and energy for use in the dark stage; solvent for the materials used in photosynthesis; Max.


KCSE Biology Essay Questions and Answers PDF. Online biology test questions and answers pdf, exam, quiz, test high school with answers. Pdf biology.


KCSE 2021 Biology Essay Questions and Answers (KCSE 2021 Prediction Questions)

Explain how the various specialized cells are modified to carry out their functions in plants and animals. How are the leaves of higher plants adapted to their functions? Describe what happens to a meal of oily beans and maize from the time of ingestion up to the time of absorption.

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Почему она не хочет ему поверить. Росио подошла к нему еще ближе. - Я не знаю, кто вы такой и чего хотите, но если вы немедленно отсюда не уйдете, я вызову службу безопасности отеля и настоящая полиция арестует вас за попытку выдать себя за полицейского офицера.

 - Я должен сделать проверку на наличие вируса. Чатрукьян знал: это первое, чего в любом случае потребует Стратмор.

 - Сегодня утром Энсея Танкадо нашли мертвым в городе Севилья, в Испании. ГЛАВА 8 Двухмоторный Лирджет-60 коснулся раскаленной посадочной полосы. Голый ландшафт испанской нижней Эстремадуры бежал за окном, слившись в неразличимый фон, затем замедлил свой бег. - Мистер Беккер! - послышался голос.

Бринкерхофф пожал плечами: - Быть может, ребята заняты сложной диагностикой. Мидж покачала головой: - Настолько сложной, что она длится уже восемнадцать часов? - Она выдержала паузу.

 Куда мы едем. Парень расплылся в широкой улыбке. - А то ты не знаешь. Беккер пожал плечами. Парень зашелся в истерическом хохоте.

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