DP Biology Questionbank

Description

Overview of the essential ideas for this topic.

11.1: Immunity is based on recognition of self and destruction of foreign material.

11.2: The roles of the musculoskeletal system are movement, support and protection.

11.3: All animals excrete nitrogenous waste products and some animals also balance water and solute concentrations.

11.4: Sexual reproduction involves the development and fusion of haploid gametes.

Directly related questions

• 15M.1.SL.TZ2.26: The image shows the male reproduction system. Where is prostate cancer likely to start...
• 15M.2.HL.TZ2.5c: Accurate transmission of base sequences to offspring depends on successful gamete production....
• 15M.2.HL.TZ2.6c: All parts of the body change the composition of the blood.  Explain how the nephron changes the...
• 15M.1.HL.TZ2.40: Which event takes place during normal fertilization? A. The acrosome fuses with the egg...
• 15M.2.HL.TZ1.4a: Draw a labelled diagram of the human adult male reproductive system.    
• 15M.3.SL.TZ1.6a: State the names and functions of the antagonistic muscles of the human elbow joint.
• 13M.1.HL.TZ1.36: Which ions are released from the sarcoplasmic reticulum when a skeletal muscle fibre...
• 11M.1.HL.TZ1.36: Which is the sequence of events in muscle contraction? I. Use of ATP II. Formation of cross...
• 11M.1.HL.TZ1.35: Which of the following statements is incorrect? A. Active immunity is the stimulation of the...
• 11M.2.HL.TZ2.8c: Explain the principles of vaccination.
• 12M.1.HL.TZ2.37: The diagram shows the nephron in a kidney. Which labelled part is permeable to sodium and not to...
• 12M.1.HL.TZ2.40: Which is the correct sequence of stages in fertilization?
• 12M.1.HL.TZ2.35: What is clonal selection? A. Production of memory B cells B. Production of a group of identical...
• 09M.2.HL.TZ1.7b: Outline the principle of immunity.
• 09M.2.HL.TZ1.7c: Discuss the benefits and dangers of vaccination.
• 09M.2.HL.TZ2.7c: Discuss the benefits and risks associated with vaccination programmes.
• 09M.1.HL.TZ1.40: What is the role of HCG in early pregnancy? A. HCG stimulates FSH secretions. B. HCG stimulates...
• 10M.1.HL.TZ2.40: Which pair of statements best describes oogenesis and spermatogenesis?
• 12N.2.HL.TZ0.2b: Outline the functions of I and III. I. ...
• 12N.2.HL.TZ0.4c: Explain the role of the medulla and the collecting duct of the kidney in the maintenance of the...
• 12N.2.HL.TZ0.8b: Explain how the structure and function of the placenta helps to maintain pregnancy.
• 09N.2.HL.TZ0.2b: Outline how monoclonal antibodies are produced.
• 15N.2.HL.TZ0.3b: Explain the role of calcium in muscle contraction.
• 15N.3.SL.TZ0.5a: Draw a labelled diagram showing the arrangement of proteins in a sarcomere.
• 13N.1.HL.TZ0.39: What is the correct order of events in fertilization?A. fusion of gametes, acrosome reaction and...
• 17M.1.HL.TZ1.38: Which hormone is inhibited during pregnancy in order to prevent contractions of the uterus? A....
• 17M.2.HL.TZ1.1a: Deduce whether the excretion of ammonia or urea changes more when a turtle emerges from water.
• 17M.2.HL.TZ1.1b: Compare and contrast the changes in urea excretion in the mouth with the changes in urea...
• 17N.3.HL.TZ0.02a: Concerns have been raised about the effect of rising pollution levels on sperm production in men....
• 13M.1.HL.TZ2.22: Where are structures I, II and III found in the human body?  
• 09M.2.HL.TZ1.5b: Outline the processes involved in oogenesis within the human ovary.
• 09M.2.HL.TZ2.1f: Evaluate whether the results support the hypothesis that a continuous dose of edaravone is better...
• 09M.2.HL.TZ2.1h: Suggest why oxidation of membrane lipids may lead to increased protein loss in the urine.
• 09M.2.HL.TZ2.7b: Describe the processes involved in blood clotting.
• 09M.1.HL.TZ2.26: Which structure is acted upon by ADH (vasopressin)? A. Proximal convoluted tubuleB. Bowman’s...
• 10M.2.HL.TZ1.4c: Blood plasma, glomerular filtrate and urine have different concentrations of solutes, such as...
• 10M.1.HL.TZ2.38: The diagram below shows the side view of the arm joint. Which letter is pointing to the...
• 10M.1.HL.TZ1.40: What is the role of HCG in early pregnancy? A. It prevents the degeneration of the corpus...
• 12N.2.HL.TZ0.4b: Estimate the content of glomerular filtrate and urine of a healthy person by completing the...
• 12N.1.HL.TZ0.37: What first happens to a B lymphocyte when it becomes activated? A. It divides by mitosis...
• 15N.1.HL.TZ0.38: What is a function of synovial fluid in the elbow joint? A. Joins the humerus to the radius and...
• 15N.1.HL.TZ0.39: Where are microvilli located in the nephron? A. Glomerulus B. Proximal convoluted tubule C....
• 15N.2.HL.TZ0.3a(i): Label the structures indicated on the X-ray of a human elbow.
• 13N.1.HL.TZ0.40: What is secreted after implantation of the blastocyst in the uterine wall?A. Estrogen which...
• 13N.3.HL.TZ0.15: Explain ADH secretion and how it is controlled.
• 16M.1.HL.TZ0.38: Which process is part of the mechanism that controls muscle contraction? A. Troponin enables...
• 16N.1.HL.TZ0.39: Which kidney adaptation would be expected in the desert kangaroo rat (Dipodomys deserti)? A....
• 16N.2.HL.TZ0.6c: Distinguish between the composition of the blood of the renal artery and the blood of the renal...
• 17M.2.HL.TZ1.1c.ii: Suggest reasons for these trends in dissolved oxygen.
• 17N.2.HL.TZ0.02d.ii: State one possible use of hybridoma cells.
• 15M.3.SL.TZ2.5b (i): State the function of the following structures in the human elbow. Synovial fluid
• 15M.2.HL.TZ1.6b: Explain how skeletal muscle contracts.    
• 13M.2.HL.TZ2.8c: In the placenta, many substances are transported across membranes. Explain the structure and role...
• 13M.1.HL.TZ2.38: Which of the following events form the basis of immunity upon which the principle of vaccination...
• 13M.3.SL.TZ2.6a: List two structural features of a joint that reduce friction between bones. 1. ...
• 11M.1.HL.TZ1.40: Which of these statements about the human placenta is incorrect? A. The placenta is the site of...
• 11M.3.SL.TZ1.6a: Draw a labelled diagram of a sarcomere.
• 12M.2.HL.TZ1.4b (i): Identify the cell labelled X.
• 12M.2.HL.TZ2.8b: Describe the role of ADH in osmoregulation.
• 09M.1.HL.TZ1.36: What is required to produce monoclonal antibodies? A. T-lymphocytes and oocytes B. T-lymphocytes...
• 09M.1.HL.TZ2.15: When a pathogen is ingested by a phagocyte, which event occurs first? A. T-cell activationB....
• 09M.1.HL.TZ2.24: In the following diagram of the kidney, which structure contains urine?
• 10M.2.HL.TZ2.6c: Explain why diabetes could be detected through the analysis of urine.
• 10M.1.HL.TZ2.39: Which of the following best describes what happens in the glomerulus? A. Selective reabsorption...
• 10N.3.SL.TZ0.5a: Label the parts of the following micrograph of the striated muscle. I...
• 10N.2.HL.TZ0.3b: State one use of monoclonal antibodies in diagnosis.
• 09N.2.HL.TZ0.7c: Explain the role of the kidney in maintaining water balance in humans.
• 15N.1.HL.TZ0.36: In the production of monoclonal antibodies, B-cells are fused to tumour cells to make hybridoma...
• 15N.2.HL.TZ0.6a: Draw a labelled diagram to show the structure of a sarcomere.
• 15N.3.HL.TZ0.14b: State the condition of the blood that would stimulate the release of ADH (vasopressin).
• 13N.3.SL.TZ0.1a.ii: State the frequency of both kidney failure and greater than normal albumin levels in patients of...
• 13N.3.SL.TZ0.1c: The usual method of screening for chronic kidney disease is to test for kidney failure. Using the...
• 13N.3.SL.TZ0.5a: Label the following diagram of the side view of the human elbow joint.
• 09N.1.HL.TZ0.38: What happens during muscle contraction?A. The number of light bands is reduced.B. The width of...
• 17M.1.HL.TZ2.37: What is the role of calcium in muscle contraction? A. To release tropomyosin from myosin B. To...
• 17N.1.HL.TZ0.40: The diagram shows the female reproductive system. [Source: © International Baccalaureate...
• 13M.3.SL.TZ2.5a: Analyse the electron micrograph for the state of contraction of the muscle fibre.
• 11M.1.HL.TZ1.37: The diagram below shows a longitudinal section through a kidney. What is the structure labelled Z...
• 11M.1.HL.TZ1.38: During urine production, what happens if the water content of the blood is too low? A. Membrane...
• 11M.2.HL.TZ2.3c: The diagram below shows part of the human kidney. The arrow shows the direction of blood...
• 12M.2.HL.TZ1.8c: Explain the processes occurring in the kidney that contribute to osmoregulation.
• 12M.2.HL.TZ2.5c: Actin and myosin are two proteins found in muscles. Explain how skeletal muscle contracts,...
• 12M.2.HL.TZ2.7b: Compare the processes of spermatogenesis and oogenesis.
• 12M.1.HL.TZ2.39: The micrograph shows the structure of a testis undergoing spermatogenesis. What is the...
• 09M.2.HL.TZ2.5c: Explain the function and structure of the placenta.
• 10M.2.HL.TZ2.7a: Draw a labelled diagram of a mature sperm.
• 12N.2.HL.TZ0.4a (ii): Outline the function of III.    
• 12N.2.HL.TZ0.2a: Label I, II, III and IV on the diagram of the human elbow.
• 12N.2.HL.TZ0.8c: Outline the hormonal control of the process of birth.
• 12N.1.HL.TZ0.39: What is the function of the knee joint? A. It permits movement in one plane.B. It allows bones...
• 12N.1.HL.TZ0.38: During muscle contraction, what is the role of calcium ions ( Ca2+) which are released from the...
• 15N.1.HL.TZ0.37: A skeletal muscle contains bundles of elongated muscle fibre cells. What is the longest structure...
• 15N.1.HL.TZ0.40: Through what process does a spermatid become a functioning spermatozoan? A. Mitosis B....
• 13N.1.HL.TZ0.37: The following is a diagram of the elbow joint. What structures are indicated by the letters X,...
• 13N.2.HL.TZ0.6c: Some prokaryotes cause infectious diseases which stimulate the body’s immune system. Outline the...
• 13N.3.SL.TZ0.1b: Compare the levels of albumin in urine of patients with kidney failure in the different ethnic...
• 09N.1.HL.TZ0.39: The Bowman’s capsule is a cup-shaped structure that is part of the nephron. What is the source of...
• 09N.1.HL.TZ0.40: The diagram below shows a human egg. What are the structures labelled I, II and III?  
• 16M.1.HL.TZ0.39: Which sequence of events leads to the production of antibodies?      
• 16N.1.HL.TZ0.40: Where does the acrosome reaction occur?    
• 16M.2.HL.TZ0.6c: Explain how the structure of the nephron and its associated blood vessels enable the kidney to...
• 17M.1.SL.TZ1.1: Which structure found in eukaryotes has a single membrane? A. Nucleus B. Lysosome C....
• 17M.1.HL.TZ1.40: The diagram shows the exchange processes that take place in the placenta between the maternal and...
• 17M.1.HL.TZ1.37: A secondary immune response occurs when an antigen is encountered on a second occasion, due to...
• 17M.1.HL.TZ1.39: The table shows solute concentrations in normal blood plasma and the fluid in one section of the...
• 17M.2.HL.TZ1.1c.i: Describe the trends shown by the graph for dissolved oxygen in water discharged from the mouth.
• 17N.2.HL.TZ0.03c: Describe the role of ADH in human osmoregulation.
• 15M.1.HL.TZ1.39: What is the function of the epididymis in the male reproduction system?A. To stimulate sperm...
• 15M.1.HL.TZ1.40: From where is human chorionic gonadotropin (HCG) secreted in early pregnancy?A. EmbryoB. Corpus...
• 15M.3.SL.TZ2.7d: Non-mitochondrial oxygen consumption does not produce ATP and decreases in relation to...
• 15M.3.SL.TZ2.7c: Suggest reasons for the rise in mitochondrial respiration in the 48 hours after fertilization.
• 15M.1.HL.TZ2.38: Which letter correctly identifies the medulla?  
• 13M.1.HL.TZ1.38: In a healthy kidney which of these substances would you expect to find in the tubular fluid...
• 13M.1.HL.TZ1.39: In a mammal that had just ingested a large volume of water, what would be secreted into the...
• 13M.3.SL.TZ1.5b (i): State the role of ligaments in human movement.
• 13M.3.SL.TZ1.6b: Explain the roles of actin and myosin in muscle contraction.
• 11M.2.HL.TZ2.3b: Explain the process of ultrafiltration.
• 12M.2.HL.TZ1.4b (ii): Outline the function of this cell.
• 12M.1.HL.TZ1.39: What is the role of calcium ions during muscle contraction? A. To block the myosin binding site...
• 12M.1.HL.TZ1.38: What would result from drinking large quantities of water?
• 09M.1.HL.TZ1.37: What does label X indicate? A. Sarcolemma B. Sarcomere C. Sarcoplasmic reticulum D....
• 09M.1.HL.TZ1.39: What is the role of testosterone in spermatogenesis? A. It stimulates interstitial cells. B. It...
• 10M.1.HL.TZ1.37: The diagram below shows some stages in the production of monoclonal antibodies. What are stages...
• 11N.1.HL.TZ0.32: What occurs in the body after the injection of a vaccine containing antigens? A. Activated...
• 12N.2.HL.TZ0.8a: Describe the process of fertilization in humans.
• 12N.3.SL.TZ0.5b: Draw a labelled diagram to show the structure of a sarcomere in striated muscle.
• 09N.2.HL.TZ0.5a: Draw a labelled diagram to show the structure of a sarcomere.
• 09N.2.HL.TZ0.6c: Explain the structure and function of the placenta during pregnancy.
• 13N.1.HL.TZ0.36: How are B-cells activated?A. An antibody binds to a B-cell which is activated by a helper...
• 09N.1.HL.TZ0.37: Which cells activate helper T-cells by antigen presentation?A. B-cellsB. BacteriaC. MacrophagesD....
• 16N.1.HL.TZ0.37: What is directly responsible for allergic symptoms, including a runny nose or itchy eyes? A....
• 17M.2.HL.TZ1.1d: Deduce with a reason whether a urea transporter is present in the mouth of P. sinensis.
• 17M.2.HL.TZ2.7b: Describe the different cell types in the seminiferous tubules that are involved in the process of...
• 17N.1.HL.TZ0.39: What structure is indicated by the arrows? [Source: Courtesy Roger Craig, University of...
• 15M.1.HL.TZ1.38: What is bone X and muscle Y in the diagram of the elbow joint?
• 15M.1.HL.TZ1.35: The diagram shows a nephron from a human kidney. In what part of the nephron would most glucose...
• 15M.3.SL.TZ2.5b (ii): State the function of the following structures in the human elbow. Biceps
• 15M.1.HL.TZ2.31: The image shows the male reproduction system. Where is prostate cancer likely to start...
• 13M.1.HL.TZ2.27: The images below show muscle tissue. Which image shows contracted muscle tissue? A. I because...
• 13M.1.HL.TZ2.39: In which part of the nephron is salt secreted from the tubule to increase osmotic potential?  
• 13M.1.HL.TZ2.40: Where is human chorionic gonadotrophin (HCG) produced? A. OvaryB. Anterior pituitaryC. EmbryoD....
• 13M.3.SL.TZ1.6a: Draw a labelled diagram to show the structure of a sarcomere.
• 12M.1.HL.TZ1.37: What is the function of the synovial fluid in the elbow joint? A. It removes waste products from...
• 12M.3.SL.TZ2.5a: The following is a diagram of a sarcomere. Label parts I, II, III and IV I.      ...
• 09M.2.HL.TZ2.1b: Outline the treatment given to the control group.
• 09M.2.HL.TZ2.1d: State the increase in protein in the urine of rats treated with PAN only between day 6 and day 9.
• 10M.1.HL.TZ1.39: What are the roles of the following structures in the production of semen?
• 10M.1.HL.TZ1.36: What is indicated by the letters X, Y and Z?
• 10M.1.HL.TZ1.38: In the diagram of the nephron below, what structures are indicated by the letters Y and Z?
• 11N.2.HL.TZ0.6 b: Explain the structure and function of the placenta.
• 11N.3.HL.TZ0.15: Describe the control of ADH secretion.
• 15N.2.HL.TZ0.5a: Draw a labelled diagram of a mature human egg.
• 13N.3.SL.TZ0.5b: State the function of structures I and II.   I:   II:
• 16N.1.HL.TZ0.38: What is required for a skeletal muscle to exert force? A. Extensor and flexor musclesB. Synovial...
• 17M.2.HL.TZ1.1g: The salt marshes where these turtles live periodically dry up to small pools. Discuss the...
• 17M.1.HL.TZ2.40: What helps to prevent polyspermy? A. The unequal division of oocytes B. The placental...
• 17M.2.HL.TZ1.1f.i: Identify which of these turtle groups represent the control, giving a reason for your answer.
• 17M.2.HL.TZ2.6c: Explain the production of antibodies.
• 17N.2.HL.TZ0.06b: Cell biologists play an important role in research into disease, fertility, evolution and...
• 15M.1.HL.TZ1.37: What is an example of active immunity?A. Antibodies passed from the mother to fetus across the...
• 15M.2.SL.TZ1.6a: Draw a labelled diagram of the human adult male reproductive system.
• 15M.3.SL.TZ2.5a: Outline the function of myosin and actin in muscle contraction.
• 15M.1.HL.TZ2.37: What is the main role of nerves in human movement? A. To cause muscles to stretchB. To move...
• 13M.2.HL.TZ2.5c: Some prokaryotes cause infectious disease in humans. Explain the principles of vaccination.
• 13M.1.HL.TZ1.40: What is the role of HCG (human chorionic gonadotrophin) in early pregnancy? A. It stimulates the...
• 11M.2.HL.TZ2.8b: Outline the role of hormones in the process of birth in humans
• 11M.3.HL.TZ1.15: Explain the control of ADH secretion.
• 12M.1.HL.TZ1.40: What is a blastocyst? A. An unfertilized egg surrounded by follicle cells B. An unfertilized egg...
• 12M.1.HL.TZ2.36: What is the role of ligaments in humans? A. To hold bones together B. To hold muscles together...
• 09M.2.HL.TZ2.1a: State when PAN was injected into the rats.
• 11N.2.HL.TZ0.6 a: Describe the production of semen.
• 11N.1.HL.TZ0.33: What happens immediately after the penetration of the egg membrane by a sperm during...
• 12N.2.HL.TZ0.4a (i): Label I and II.    
• 12N.1.HL.TZ0.40: What is a difference between spermatogenesis and oogenesis?
• 10N.2.HL.TZ0.5a: Draw a labelled diagram of a mature sperm cell.
• 09N.2.HL.TZ0.6b: Outline the process of spermatogenesis in humans.
• 09N.3.SL.TZ0.5a: Draw a labelled diagram to show the structure of a skeletal muscle sarcomere.
• 15N.2.HL.TZ0.8c: Explain the role of the nephron in maintaining the water balance of the blood in the human body.
• 13N.2.HL.TZ0.5c: Explain the roles of the structures in the kidney that maintain the water balance of the blood in...
• 13N.3.SL.TZ0.1a.i: State the ethnic group with the lowest frequency of kidney failure.
• 16M.1.HL.TZ0.40: The image shows a section of a seminiferous tubule. What is shown by the letter X? A. Meiosis...
• 17M.1.HL.TZ2.38: The graph shows the daily amount of the residue of a drug in the wastewater of a...
• 17M.2.HL.TZ1.1f.ii: Suggest a reason for the greater expression of the gene for the urea transporter after an...
• 17M.2.HL.TZ1.6c: Coughing to clear the airways is accomplished by muscle contractions. Explain muscle contraction.
• 17N.2.HL.TZ0.07c: Nitrogen is part of many important substances in living organisms. Explain how insects excrete...
• 17N.1.HL.TZ0.37: What forms the basis of immunity after vaccination?
• 15M.1.HL.TZ1.36: In which region of the kidney is the glomerulus found?A. Cortex onlyB. Medulla onlyC. Cortex and...
• 15M.3.SL.TZ2.7b: Compare OCR due to non-mitochondrial oxygen consumption and mitochondrial respiration after...
• 15M.1.HL.TZ2.30: What results from the fusion of tumour cells with B-cells? A. The inability of B-cells to...
• 15M.2.HL.TZ1.4b: Compare the processes of spermatogenesis and oogenesis    
• 13M.1.HL.TZ1.37: What is the role of ATP during contraction of a skeletal muscle fibre? A. To uncover the myosin...
• 12M.1.HL.TZ1.36: Which types of immunity are acquired by each of the following actions?
• 12M.3.SL.TZ1.6a: Draw a labelled diagram to show the structure of a sarcomere.
• 12M.3.SL.TZ1.6b: Describe how skeletal muscle contracts.
• 09M.2.HL.TZ2.1g: Analyse the results of this experiment.
• 09M.1.HL.TZ1.38: Which processes are required for the reabsorption of glucose in the kidney tubules? I. Simple...
• 09M.1.HL.TZ2.32: Which of the following is a term for muscle cell? A. Muscle bundleB. Muscle fibreC. MyofibrilD....
• 10M.1.HL.TZ2.37: What are fused in the production of monoclonal antibodies? A. Tumour cells and T-cells B. Tumour...
• 10M.1.HL.TZ2.36: How can active immunity be acquired? A. By having the disease B. Injection of antibodies C....
• 10M.3.SL.TZ1.6a (i): On the diagram, label a pair of antagonistic muscles.
• 10M.3.SL.TZ1.6b: Explain the role of ATP in the contraction of skeletal muscle.
• 10M.3.SL.TZ1.6a (ii): State the function of the structure labelled A.
• 11N.2.HL.TZ0.5 c: Explain how the kidney helps to retain useful substances in the blood and eliminate substances...
• 11N.1.HL.TZ0.34: Which hormone increases in concentration in the mother’s blood during early pregnancy? A. ADH B....
• 11N.1.HL.TZ0.35: What is the role of ligaments in humans? A. Linking bones together at a joint B. Preventing...
• 11N.1.HL.TZ0.36: What is produced in the body during HIV infection? A. Anti-HIV antibiotics B. Anti-HIV...
• 09N.2.HL.TZ0.5b: Outline how skeletal muscle contracts.
• 17M.1.HL.TZ2.39: What does the blastocyst secrete? A. HCG B. Estrogen C. ADH D. Progesterone
• 17N.2.HL.TZ0.02d.i: Describe the production of hybridoma cells.
• 17N.1.HL.TZ0.38: Which processes require calcium? I. Muscle contractionII. Movement of an action potential along...