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Grade 10 Applied Science – Biology Practice Test Part A – Multiple Choice 1. When you breathe in, your lungs expand. For the lungs to expand, the diaphragm and ribs move. In which direction do the diaphragm and ribs move to make the lungs expand? a. Diaphragm contracts and moves downward while the rib cage moves down and in b. Diaphragm relaxes and moves upwards while the rib cage moves down and in c. Diaphragm contracts and moves downward while the rig cage moves up and out d. Diaphragm relaxes and moves upwards while the rib cage moves up and out 2. Which organ is NOT part of the digestive system? a. Liver b. Stomach c. Small intestine d. Lung 3. Which of the following is NOT a blood vessel? a. Heart b. Artery c. Capillary d. Vein 4. What is NOT a function of a vacuole in a cell a. Waste storage b. Make energy c. Store food d. Store water 5. What organelle is found in a plant cell but not in an animal cell? a. Vacuole b. Nucleus c. Golgi body d. Chloroplast 6. This cellular organelle makes energy available to the cell? a. Mitochondria b. Vacuole c. Nucleus d. Chromosome 7. Which of the following is NOT part of the Cell Theory? a. All cells come from pre-existing cells b. All living things are made up of one or more cells c. All cells are the same size d. Cells are the basic unit of life 8. During which stage of the Cell Cycle does replication of the DNA occur? a. Interphase b. Mitosis c. Cytokinesis d. Meiosis 9. This type of blood cell fights infection? a. Plasma b. White Blood Cell c. Platelet d. Red Blood Cell 10. Which phase of mitosis is shown in the “lighter circle” of the picture? a. Prophase b. Metaphase c. Anaphase d. Telophase 11. Which organ system in the human body is responsible for transporting substances throughout the body? a. Respiration System b. Nervous System c. Digestive System d. Circulatory System 12. Which is the phase of Mitosis when the chromosomes line up across the centre of the cell? a. Prophase b. Metaphase c. Anaphase d. Telophase 13. What is another name for the eyepiece on a Compound Light Microscope? a. Diaphragm b. Objective Lens c. Revolving Nose Piece d. Ocular Lens 14. Which single-celled thin blood vessel allows for the exchange of gases, nutrients and water? a. Heart b. Artery c. Capillary d. Vein 15. Which of the following is CONNECTIVE TISSUE? a. Muscle b. Bone c. Skin d. Nerve 16. Adult humans have 300 million air sacs inside their lungs. These sacs have a total surface area about the size of half a tennis court. What are the sacs called? a. Alveoli b. Bronchioles c. Trachea d. Ciliated epithelial cells 17. What cell organelle is the CONTROL centre of the cell? a. Mitochondria b. Lysosome c. Chloroplast d. Nucleus 18. Which of the following is Primary Organ of the human NERVOUS system? a. Stomach b. Brain c. Lungs d. Heart 19. Three features typically distinguish a plant cell from an animal cell. Which of the following is NOT one of the distinguishing features? a. Plant cells have cell walls and cell membranes while animal cells have cell membranes b. Plant cells have one large vacuole while animal cells have many small vacuoles c. Plant cells have cell membranes while animal cells have cell walls and cell membranes d. Plant cells have chloroplasts while animal cells do not have chloroplasts 20. Which form of transport at a cellular level requires energy? a. Active Transport b. Diffusion c. Osmosis d. Cellular Respiration 21. Which phase of Mitosis is shown in the diagram? a. Prophase b. Metaphase c. Anaphase d. Telophase 22. Where do humans get their sugar energy from? a. Breathing in oxygen b. Drinking water c. Eating plants or other animals that ate plants d. Undergoing photosynthesis in the cells 23. A drug is any substance, natural or artificial (…and other than food…) by its chemical nature that alters structure or function in a living organism. Psychoactive drugs are mood altering. These drugs are typically used for recreation or self-medication. The most common categories are depressants, (i.e., downers), stimulants (i.e., uppers) and hallucinogens. What is alcohol classified as? a. Depressant b. Stimulant c. Hallucinogen d. None of the above – alcohol is not a drug 24. What is “…a group of cells with similar structure and function…” called? a. Cell b. Organ c. Organ System d. Tissue 25. What do drugs of misuse (e.g., marijuana, cocaine, meth ecstasy) – uppers or downers – do in your brain? a. Mimic the structure of neurotransmitter chemicals in the brain that give you pleasure b. Slow the pace of your breathing so the brain gets less oxygen, and thus, the brain functions slower c. Make immediate cravings for food d. Increase blood flow to the brain so there is greater arousal and awareness 26. What is the function of MUSCLE TISSUE? a. Contract to permit movement b. Carry electric signals to control body functions c. Support and connect the body d. Cover body and body parts 27. What is CANCER? a. A mass of cells b. A broad group of diseases that result from uncontrolled cell division c. Any environmental factor that causes disease d. Tumours found only in humans 28. What is a MUTATION? a. A mass of cells b. Cell structure that performs a specific cell function c. Material in the nucleus of a cell the contains genetic information d. Random change in the cell’s genetic information 29. What is the stage of the cell cycle during which two copies of the cell’s DNA separate to opposite ends of the cell? a. Interphase b. Mitosis c. Cytokinesis d. Cellular Division 30. Which is PULSE RATE? a. A beat that causes muscles to fatigue and cramp b. A respiration process that produces lactic acid c. The number of times the heart contracts per minute d. The process by which ventricles fill up with blood Part B – Short Answer 31. With the support of a diagram, explain OSMOSIS? 32. What is CYTOKINESIS? 33. Why is there a limit to cell size? 34. What are the three primary functions of a cell? 35. What is the difference between AEROBIC RESPIRATION and ANAEORBIC RESPIRATION? 36. Fill in the following table by identifying the cell part that performs the function described Organelle Function Your Answer Possible Organelles (Not the Right Answer) Control other organelles Vacuole Make energy and provide power Mitochondria Contain genetic information Lysosome Where photosynthesis in plant cells occurs Nucleus Digestion and Transport of unused materials Chloroplast Storage and disposal of wastes Chromosome 37. What is RESIDUAL VOLUME? 38. Why do humans need to be eating constantly 39. Cells need a constant supply of oxygen. Describe the steps that are needed to get the oxygen from the external environment to (…and into…) the cell. 40. Why do you make a wet mount slide? 41. What is the product of Mitosis? Part C – Diagram 42. Draw AND label the four phase of Mitosis. Correctly label each phase. ANSWERS Biology Practice Test Part A – Multiple Choice 1. When you breathe in, your lungs expand. For the lungs to expand, the diaphragm and ribs move. In which direction do the diaphragm and ribs move to make the lungs expand? a. Diaphragm contracts and moves downward while the rib cage moves down and in b. Diaphragm relaxes and moves upwards while the rib cage moves down and in c. Diaphragm contracts and moves downward while the rig cage moves up and out d. Diaphragm relaxes and moves upwards while the rib cage moves up and out 2. Which organ is NOT part of the digestive system? a. Liver b. Stomach c. Small intestine d. Lung 3. Which of the following is NOT a blood vessel? a. Heart b. Artery c. Capillary d. Vein 4. What is NOT a function of a vacuole in a cell a. Waste storage b. Make energy c. Store food d. Store water 5. What organelle is found in a plant cell but not in an animal cell? a. Vacuole b. Nucleus c. Mitochondria d. Chloroplast 6. This cellular organelle makes energy available to the cell? a. Mitochondria b. Vacuole c. Nucleus d. Chromosomes 7. Which of the following is NOT part of the Cell Theory? e. All cells come from pre-existing cells f. All living things are made up of one or more cells g. All cells are the same size h. Cells are the basic unit of life 8. During which stage of the Cell Cycle does replication of the DNA occur? a. Interphase b. Mitosis c. Cytokinesis d. Meiosis 9. This type of blood cell fights infection? a. Plasma b. White Blood Cell c. Platelet d. Red Blood Cell 10. Which phase of mitosis is shown in the “lighter circle” of the picture? a. Prophase b. Metaphase c. Anaphase d. Telophase 11. Which organ system in the human body is responsible for transporting substances throughout the body? a. Respiration System b. Nervous System c. Digestive System d. Circulatory System 12. Which is the phase of Mitosis when the chromosomes line up across the centre of the cell? a. Prophase b. Metaphase c. Anaphase d. Telophase 13. What is another name for the eyepiece on a Compound Light Microscope? a. Diaphragm b. Objective Lens c. Revolving Nose Piece d. Ocular Lens 14. Which single-celled thin blood vessel allows for the exchange of gases, nutrients and water? a. Heart b. Artery c. Capillary d. Vein 15. Which of the following is a CONNCECTIVE TISSUE? a. Muscle b. Bone c. Skin d. Nerve 16. Adult humans have 300 million air sacs inside their lungs. These sacs have a total surface area about the size of half a tennis court. What are the sacs called? a. Alveoli b. Bronchioles c. Trachea d. Ciliated epithelial cells 17. What cell organelle is the CONTROL centre of the cell? a. Vacuole b. Lysosome c. Mitochondria d. Nucleus 18. Which of the following is Primary Organ of the human NERVOUS system? a. Stomach b. Brain c. Lungs d. Heart 19. Three features typically distinguish a plant cell from an animal cell. Which of the following is NOT one of the distinguishing features? a. Plant cells have cell walls and cell membranes while animal cells have cell membranes b. Plant cells have one large vacuole while animal cells have many small vacuoles c. Plant cells have cell membranes while animal cells have cell walls and cell membranes d. Plant cells have chloroplasts while animal cells do not have chloroplasts 20. Which form of transport at a cellular level requires energy? a. Active Transport b. Diffusion c. Osmosis d. Cellular Respiration 21. Which phase of Mitosis is shown in the diagram? a. Prophase b. Metaphase c. Anaphase d. Telophase 22. Where do humans get their sugar energy from? a. Breathing in oxygen b. Drinking water c. Eating plants or other animals that ate plants d. Undergoing photosynthesis in the cells 23. A drug is any substance, natural or artificial (…and other than food…) by its chemical nature that alters structure or function in a living organism. Psychoactive drugs are mood altering. These drugs are typically used for recreation or self-medication. The most common categories are depressants, (i.e., downers), stimulants (i.e., uppers) and hallucinogens. What is alcohol classified as? a. Depressant b. Stimulant c. Hallucinogen d. None of the above – alcohol is not a drug 24. What is “…a group of cells with similar structure and function…” called? a. Cell b. Organ c. Organ System d. Tissue 25. What do drugs of misuse (e.g., marijuana, cocaine, meth ecstasy) – uppers or downers – do in your brain? a. Mimic the structure of neurotransmitter chemicals in the brain that give you pleasure b. Slow the pace of your breathing so the brain gets less oxygen, and thus, the brain functions slower c. Make immediate cravings for food d. Increase blood flow to the brain so there is greater arousal and awareness 26. What is the function of MUSCLE TISSUE? a. Contract to permit movement b. Carry electric signals to control body functions c. Support and connect the body d. Cover body and body parts 27. What is CANCER? a. A mass of cells b. A broad group of diseases that result from uncontrolled cell division c. Any environmental factor that causes disease d. Tumours found only in humans 28. What is a MUTATION? a. A mass of cells b. Cell structure that performs a specific cell function c. Material in the nucleus of a cell the contains genetic information d. Random change in the cell’s genetic information 29. What is the stage of the cell cycle during which two copies of the cell’s DNA separate to opposite ends of the cell? a. Interphase b. Mitosis c. Cytokinesis d. Cellular Division 30. Which is PULSE RATE? a. A beat that causes muscles to fatigue and cramp b. A respiration process that produces lactic acid c. The number of times the heart contracts per minute d. The process by which ventricles fill up with blood Part B – Short Answer 31. With the support of a diagram, explain OSMOSIS? The movement of water that does not require energy across a cell membrane from an area of higher concentration to an area of lower concentration 32. What is CYTOKINESIS? The stage of the Cell Cycle following mitosis when two daughter cells are formed 33. Why is there a limit to cell size? Cells need a constant supply of nutrients, water and oxygen. As well, wastes must be removed from the cell. The processes of “entering and exiting” a cell are (1) osmosis, (2) diffusion and (3) active transport. If a cell was large, it would require more supplies and removal. The cell would not operate efficiently. Cells must communicate internally. The nucleus must efficiently receive signals from the surrounding environment, and then, quickly communicate messages to other cell organelles to react to changes in the environment. 34. What are the three primary functions of a cell? Grow Reproduce Repair 35. What is the difference between AEROBIC RESPIRATION and ANAEORBIC RESPIRATION? Aerobic is cellular respiration that uses oxygen 36. Fill in the following table by identifying the cell part that performs the function described Organelle Function Your Answer Possible Organelles (Not the Right Answer) Control other organelles Nucleus Vacuole Make energy and provide power Mitochondria Mitochondria Contain genetic information Chromosome Lysosome Where photosynthesis in plant cells occurs Chloroplast Nucleus Digestion and Transport of unused materials Lysosome Chloroplast Storage and disposal of wastes Vacuole Chromosome 37. What is RESIDUAL VOLUME? The one litre of air remaining in the lungs after air is exhaled from the lungs 38. Why do humans need to be eating constantly Our cells require a constant supply of nutrients Our cells are poor stores of energy Our cells are constantly using energy, and it must be replaced 39. Cells need a constant supply of oxygen. Describe the steps that are needed to get the oxygen from the external environment to (…and into…) the cell. Oxygen enters the body via the nose and mouth and travels down the trachea to the lungs. Oxygen in the lungs diffuses into the circulatory system, and then, red blood cells of the circulatory system (heart) carry it to the cells. At the cells, the oxygen diffuses across the cell membrane and enters the cell 40. Why do you make a wet mount slide? To observe live cells 41. What is the product of Mitosis? Two identical daughter cells