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Questions and Answers
What type of reproductive process involves two parents and gametes?
What is the common name for organisms that cause diseases?
What is the process by which phagocytes engulf pathogens?
What is the enzyme that helps digest lipids in the pancreas and small intestine?
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What is the hormone that increases blood glucose levels?
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What is the name of the kingdom that includes protozoa, algae, plankton, and amoeba?
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What is the function of sodium hydroxide solution in the investigation?
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What is the name of the indicator used in this experiment?
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Which nutritional deficiency will lead to Kwashiorkor?
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What is the function of the villi in the small intestine?
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What type of symmetry is illustrated by diagrams A, B, and C?
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What is the importance of photosynthesis?
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Which animal group does not have a nervous system?
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In which organelle does photosynthesis take place?
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What is the by-product marked X in the photosynthesis diagram?
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What is the purpose of destarching a plant in the practical investigation?
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What is the inorganic substance marked W required for Phase B of photosynthesis?
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In what form is product Y stored in plants?
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Study Notes
Kingdoms and Reproduction
- Protista, algae, plankton, and amoeba belong to the kingdom Protozoa.
- Sexual reproduction involves two parents and gametes.
- Pathogens are organisms that cause diseases.
Plant Generations
- The dominant generation in pine trees is represented by the mature plant.
Body Systems
- A coelom is a body cavity filled with blood.
- Phagocytosis is the process by which phagocytes engulf pathogens.
- A bolus is a round ball of chewed food mixed with saliva in the oral cavity.
- Defecation is the process by which undigested residues, in the form of faeces, are disposed of.
Digestive Enzymes and Hormones
- Lipase is the enzyme in the pancreas and small intestine that helps digest lipids (fats and oils).
- Glucagon is the hormone that increases blood glucose levels.
Respiration and Energy
- Aerobic respiration is a process that occurs in the presence of oxygen.
- Glycolysis and the Krebs cycle are stages of aerobic respiration.
Protista and Diseases
- Malaria is a disease caused by Protista.
Symbiotic Relationships
- Saprophytism is a type of cohabitation relationship where bacteria obtain food from dead organic matter.
Plant Anatomy
- Gymnosperms are a group of plants that produce naked seeds.
- Pine trees and cycads are examples of gymnosperms.
Photosynthesis
- Photosynthesis is an important process that occurs in plants.
Human Digestive System
- The human digestive tract consists of several organs, including the mouth, oesophagus, stomach, small intestine, and large intestine.
- The stomach is a muscular organ that mixes food with digestive enzymes.
- The small intestine is responsible for the absorption of nutrients.
- Villi are structures in the small intestine that increase the surface area for absorption.
Nutrition and Deficiencies
- Kwashiorkor is a nutritional deficiency caused by a lack of protein.
- Marasmus is a nutritional deficiency caused by a lack of protein and calories.
Animal Symmetry
- Radial symmetry is a type of symmetry found in animals such as starfish.
- Bilateral symmetry is a type of symmetry found in animals such as humans.
Organ Systems
- The organ level of organisation is found in animals such as humans.
- The nervous system is a system found in animals that allows for the transmission of signals.
- Exoskeletons and vertebrae are features found in certain animal groups.
Photosynthesis Diagram
- Photosynthesis occurs in the chloroplasts of plant cells.
- Phase A and Phase B are stages of photosynthesis.
- Glucose is the product of photosynthesis.
- Oxygen is the by-product of photosynthesis.
- Water is the inorganic substance required for Phase B.
- Glucose is stored in plants as starch.
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Description
Assess your knowledge of photosynthesis with this set of questions about an experiment, including the control setup, functions of solutions, and factors affecting the rate of photosynthesis.
