Mc chapter 12
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This document contains 10 multiple choice questions about drugs and their effects on the body from Chapter 12 of an IGCSE Biology textbook. The questions cover topics like which substances are depressants or addictive, how antibiotics and penicillin work, and how substances like alcohol, heroin, tobacco, and carbon monoxide impact the body. Specifically, it asks about how long-term alcohol abuse can lead to cirrhosis of the liver, nicotine is the addictive component in tobacco, and how carbon monoxide reduces oxygen carrying capacity in the blood.
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2. It provides sample multiple choice exam questions on topics in biology such as cellular respiration, plant transport, human physiology, genetics, and ecology.
3. The questions are accompanied by explanatory diagrams and include 4 possible answer choices to choose from.
Instructions Select the correct answer for the 70 multiple choic.docx
Instructions
Select the correct answer for the 70 multiple choice questions by highlighting the correct answer
1. Item 1
Enzymes:
A. increase the energy of activation for a reaction, thus increasing the reaction rate.
B. decrease the energy of activation for a reaction, thus decreasing the reaction rate.
C. increase ΔG for a reaction, thus increasing the reaction rate.
D. decrease the energy of activation for a reaction, thus increasing the reaction rate.
E. decrease ΔG for a reaction, thus increasing the reaction rate.
1. Item 2
Hemophilia is an X-linked recessive disorder involving blood clotting. If a Mr. Y, who is a hemophiliac, marries Mrs. Z, who is a carrier for hemophilia, and one of their daughters (Miss A, who is not a hemophiliac) marries a normal man (Mr. B), what is the probability that a grandson of Mr. Y and Mrs. Z is a hemophiliac?
A. 25% B. 50% C. 75% D. 100% E. Cannot be determined from the information given
1. Item 3
All of the following could cause increases in resting blood pressure EXCEPT:
A. increased Na+ reabsorption by the kidney.
B. increased heart rate.
C. decreased dehydration.
D. caffeine.
E. None of the above.
1. Item 4
The functions of the liver include all of the following EXCEPT:
A. formation of blood proteins.
B. regulation of glycogen metabolism.
C. secretion of bile.
D. storage of vitamins.
E. secretion of bicarbonate.
1. Item 5
Osteoblasts, osteoclasts, and osteocytes are the three cell types found in bone tissue. Osteoclasts are activated by:
A. low blood Ca2+ levels and high parathyroid hormone levels.
B. low blood Ca2+ levels and high calcitonin levels.
C. high blood Ca2+ levels and high calcitonin levels.
D. high blood Ca2+ levels and high vitamin D levels.
E. low blood Ca2+ levels and low parathyroid hormone levels.
1. Item 6
Which hormone binds to a receptor on the cell surface?
A. Aldosterone
B. Progesterone
C. Cortisol
D. Adrenaline
E. Testosterone
1. Item 7
Which of the following RNA sequences would be transcribed if the sequence of the DNA coding strand were TATTGCATCAA?
A. UAUUGCAUCAA
B. AUAACGUAGUU
C. TTGUTGCUUTU
D. AUAAGCAUCAA
E. UUGAUCGUUAU
1. Item 8
The pentose phosphate pathway is involved in all of the following EXCEPT:
A. eliminating reactive oxygen species.
B. producing nucleotides.
C. facilitating fatty acid synthesis.
D. forming NADH.
E. generating ribose-5-phosphate.
1. Item 9
When blood pressure is low, the rate of blood filtration drops. The kidney secretes renin to help compensate. The direct effect that renin has in the body is to:
A. generally constrict arterioles to increase peripheral resistance.
B. convert the blood protein angiotensinogen into angiotensin I.
C. convert angiotensin I into angiotensin II, a powerful vasoconstrictor.
D. dilate the renal artery.
E. dilate the glomerular capillaries.
1. Item 10
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1. The document is a 15 page syllabus approved for use in several countries as a biology exam, along with one blank page.
2. It provides sample multiple choice exam questions on topics in biology such as cellular respiration, plant transport, human physiology, genetics, and ecology.
3. The questions are accompanied by explanatory diagrams and include 4 possible answer choices to choose from.
Instructions Select the correct answer for the 70 multiple choic.docx
Instructions
Select the correct answer for the 70 multiple choice questions by highlighting the correct answer
1. Item 1
Enzymes:
A. increase the energy of activation for a reaction, thus increasing the reaction rate.
B. decrease the energy of activation for a reaction, thus decreasing the reaction rate.
C. increase ΔG for a reaction, thus increasing the reaction rate.
D. decrease the energy of activation for a reaction, thus increasing the reaction rate.
E. decrease ΔG for a reaction, thus increasing the reaction rate.
1. Item 2
Hemophilia is an X-linked recessive disorder involving blood clotting. If a Mr. Y, who is a hemophiliac, marries Mrs. Z, who is a carrier for hemophilia, and one of their daughters (Miss A, who is not a hemophiliac) marries a normal man (Mr. B), what is the probability that a grandson of Mr. Y and Mrs. Z is a hemophiliac?
A. 25% B. 50% C. 75% D. 100% E. Cannot be determined from the information given
1. Item 3
All of the following could cause increases in resting blood pressure EXCEPT:
A. increased Na+ reabsorption by the kidney.
B. increased heart rate.
C. decreased dehydration.
D. caffeine.
E. None of the above.
1. Item 4
The functions of the liver include all of the following EXCEPT:
A. formation of blood proteins.
B. regulation of glycogen metabolism.
C. secretion of bile.
D. storage of vitamins.
E. secretion of bicarbonate.
1. Item 5
Osteoblasts, osteoclasts, and osteocytes are the three cell types found in bone tissue. Osteoclasts are activated by:
A. low blood Ca2+ levels and high parathyroid hormone levels.
B. low blood Ca2+ levels and high calcitonin levels.
C. high blood Ca2+ levels and high calcitonin levels.
D. high blood Ca2+ levels and high vitamin D levels.
E. low blood Ca2+ levels and low parathyroid hormone levels.
1. Item 6
Which hormone binds to a receptor on the cell surface?
A. Aldosterone
B. Progesterone
C. Cortisol
D. Adrenaline
E. Testosterone
1. Item 7
Which of the following RNA sequences would be transcribed if the sequence of the DNA coding strand were TATTGCATCAA?
A. UAUUGCAUCAA
B. AUAACGUAGUU
C. TTGUTGCUUTU
D. AUAAGCAUCAA
E. UUGAUCGUUAU
1. Item 8
The pentose phosphate pathway is involved in all of the following EXCEPT:
A. eliminating reactive oxygen species.
B. producing nucleotides.
C. facilitating fatty acid synthesis.
D. forming NADH.
E. generating ribose-5-phosphate.
1. Item 9
When blood pressure is low, the rate of blood filtration drops. The kidney secretes renin to help compensate. The direct effect that renin has in the body is to:
A. generally constrict arterioles to increase peripheral resistance.
B. convert the blood protein angiotensinogen into angiotensin I.
C. convert angiotensin I into angiotensin II, a powerful vasoconstrictor.
D. dilate the renal artery.
E. dilate the glomerular capillaries.
1. Item 10
In designing antibiotics to treat infections caused .
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1. The document contains a series of multiple choice questions related to various topics in pharmacy and medicine.
2. The questions cover topics like drug mechanisms of action, disease symptoms, medical conditions, diagnostic tests, chemical reactions, and identification of drugs, chemicals, and medical terms.
3. Correct answers are provided for each multiple choice question to test understanding of key concepts and identify the essential information being assessed.
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This document discusses various respiratory diseases and conditions including chronic obstructive pulmonary disease, bronchial asthma, bronchiectasis, chronic bronchitis, and emphysema. It provides descriptions of the pathophysiology and symptoms of each condition. It also covers topics like regulation of respiration, arterial blood gases, bronchodilators, and factors that can exacerbate respiratory diseases. Multiple choice questions are included to test understanding.
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This document discusses the harmful effects of three substances found in tobacco smoke - nicotine, tar, and carbon monoxide. Nicotine is addictive and raises blood pressure, while tar damages lung tissue and DNA, increasing cancer risks. Carbon monoxide reduces the blood's ability to carry oxygen throughout the body. Long-term smoking can lead to diseases like bronchitis and emphysema and damage the lungs' ability to exchange gases.
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This document is a 13-page exam for the International General Certificate of Secondary Education in Biology. It contains 7 multiple choice questions testing knowledge of topics including food webs, human nutrition, plant and animal physiology, environmental issues, and genetics. The exam is designed to be completed in 1 hour and 15 minutes by writing answers directly on the question paper, with no additional materials allowed.
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This document provides instructions for candidates taking the International General Certificate of Secondary Education Biology exam. It specifies that candidates should write their identification information on all work, use blue or black pen or pencil for diagrams, not use staples or correction fluid, answer all questions, and fasten all work together at the end. The exam consists of 13 printed pages, 3 blank pages, and 6 questions testing knowledge of biology topics including tissues, classification of organisms, response and control systems in humans and plants, hormones and disease, and population ecology.
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This document is a 16-page exam for the International General Certificate of Secondary Education in Chemistry. It contains 7 multi-part chemistry questions testing knowledge of topics including the periodic table, atmospheric pollutants, acid-base reactions, extraction of metals, combustion reactions, organic compounds, and properties of group 1 and transition metals. It also includes a copy of the periodic table.
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This document consists of a chemistry exam paper containing multiple choice and short answer questions testing knowledge of chemical apparatus, reactions, and experimental procedures. The questions cover topics such as identifying experimental set ups, describing chemical reactions and tests, planning investigations, analyzing results, and drawing conclusions from experiments.
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This document consists of a 14 page chemistry exam with multiple choice and free response questions covering topics like the halogens, redox reactions, organic chemistry, acid-base reactions, and metals/alloys. It includes diagrams of lab setups and reagents/products. The exam provides space for students to show their work and includes a periodic table reference.
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This document consists of three paragraphs summarizing the content of a 16-page biology exam. The exam contains multiple choice and short answer questions about fungi reproduction, acid rain, and sensitivity. It provides context about classifying fungi species, the effects of acid rain, and defining voluntary vs involuntary actions. Tables and figures are referenced to support analyzing trends in sulfur dioxide and sulfur concentrations over time.
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This document consists of instructions and questions for a biology exam. It contains 12 pages, with the first 9 pages consisting of exam questions and the last 3 pages being blank. The exam has two sections - Section A contains short answer questions and Section B requires longer answers to two out of three essay questions. The questions cover topics in biology such as human reproduction, cell structure, genetics, the water cycle, osmosis, nutrition, and plant growth.
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This document is a 19-page exam for the International General Certificate of Secondary Education (IGCSE) Biology exam. It contains 10 multiple choice and short answer questions covering topics like the respiratory system, photosynthesis, nutrient cycling, food webs, cell structure, genetics, and inherited conditions. Students are instructed to answer all questions directly on the exam paper and work is to be completed in 1 hour and 15 minutes.
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1. This document consists of 17 printed pages and 3 blank pages for the Cambridge International Level 1/2 Certificate in Physics.
2. The document is approved for use in England, Wales and Northern Ireland and contains a multiple choice exam from October/November 2014 with 40 questions on topics related to physics.
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This document is a multiple choice exam for physics that contains 40 questions. It covers topics like mechanics, energy, waves, electricity, atomic physics, and more. The questions require analyzing diagrams, graphs, and scenarios to choose the best answer from four options (A, B, C, or D).
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This document consists of a 20-page exam for the International General Certificate of Secondary Education in Physics. The exam contains 40 multiple choice questions testing various concepts in physics, including kinematics, forces, energy, waves, electricity, and radioactivity. The questions are presented over two columns on each page with answer choices A, B, C, or D provided.
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This document is a 20 page exam for the International General Certificate of Secondary Education Physics exam. It contains 40 multiple choice questions testing various concepts in physics. The questions cover topics such as measurement, motion, forces, energy, electricity, waves, and radioactivity. Students have 45 minutes to complete the exam.
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