Embed Size px x x x x Write your answers for Section B in your examination booklet, and attach the pages securely to the question paper at the end of the exam. In an investigation into osmosis, a yam was peeled and cut into chips exactly 5mm x 5 mm x 50 mm. Three chips were placed into each of three different sugar solutions, D, E and F, in corked tubes, and left for 24 hours. They were then removed and their average lengths determined.
|Published (Last):||3 March 2014|
|PDF File Size:||11.26 Mb|
|ePub File Size:||1.3 Mb|
|Price:||Free* [*Free Regsitration Required]|
Embed Size px x x x x Write your answers for Section B in your examination booklet, and attach the pages securely to the question paper at the end of the exam. In an investigation into osmosis, a yam was peeled and cut into chips exactly 5mm x 5 mm x 50 mm.
Three chips were placed into each of three different sugar solutions, D, E and F, in corked tubes, and left for 24 hours. They were then removed and their average lengths determined. The results are shown in Table 1 below. Figure 1 shows a diagram of a kidney machine which can be used to remove waste substances from a patients blood when the kidneys have failed. Small molecules such as urea diffuse from the blood through special membranes into the surrounding dialysis fluid which is then removed.
Dialysis membranes carry out one of the functions of the kidney nephron. State the name of the part of the nephron that carries out this function. Explain why glucose is added to the dialysis solution before it enters the machine.
Complete the statement below by writing the correct word chosen from the list provided in brackets. Your friend Marc, completed Table 2 below to show the differences between mitosis and meiosis. Some of his information is incorrect. Brown eyes are dominant to blue eyes. Mr and Mrs Browne have three children with brown eyes and one child with blue eyes. Both Mr and Mrs Browne have brown eyes. What is the genotype for the eye colour from Mr and Mrs Browne, and the genotype of their children?
Show your working. Figure 2 a Using label lines and the labels A to E, show the position of the following structures on Figure 2. A aorta D bicuspid valve [5marks] b B right atrium E left ventricle C pulmonary vein. Figure 3 i State two ways in which the structure of cell F differs from the structure of cell G 1. Red blood cells are biconcave discs with a flexible cell surface membrane. They do not have nuclei or mitochondria but contain much haemoglobin.
Complete the table to show how these features assist red blood cells in collecting, carrying and delivering oxygen. Table 4 shows various methods of birth control and their failure rates measured as pregnancies per women per year.
Many countries in the Caribbean use family planning as a means of controlling population. This is achieved by the use of natural or artificial methods.
Complete the following sentences by writing the correct word from the list given in brackets below. Wise believes that the most reliable method of birth control is the contraceptive pill. Explain TWO ways the contraceptive pill functions to prevent pregnancy.
Suggest TWO benefits to a family of having a small number of children. Write your answers in your exam booklet; attach the pages to the question paper. Amma, the mother of an unborn child, has no knowledge of Human and Social Biology.
Explain to her, using a genetic diagram, how the sex of the foetus is determined. View Download 11 Category Documents. Answer ALL questions. Write your answers for Section A in the spaces provided in this booklet. Figure 1. Figure 2 shows a section through the heart from the front Figure 2 a Using label lines and the labels A to E, show the position of the following structures on Figure 2.
FeatureBiconcave shape Explanation Flexible cell surface membrane No mitochondria Contains much haemoglobin [4marks] Total 15 marks 4. P2 F5 - paper 2 Documents. Physic P2 F5 Education. P2 Spss f5 Documents.
Hiba Leolvasás Műszer Nélkül
Sign up with Facebook Sign up with Twitter. I don't have a Facebook or a Twitter account. Research and publish the best content. Try Business. Join Free. No tag on any scoop yet.
13. Pneumatikus csatlakozástechnika
A Thank You Letter After Work Experience A thank you letter after work experience 8 Hours 99th Street, East zip sql server reporting services data sources image leaves of grass first edition analysis report report builder 3 0 parameter layout maker. A thank you letter after work experience 12 Hours trade and development report audi Broome Community College Otsego, satyameva jayate in hindi writing worksheets 42nd Street, West zip , writing speed test patossin admission essay Bialystoker Place zip a thank you letter after work experience 24 Hours dostoevskys writing style in crime and punishment book Chenango, reporting breach of patient confidentiality articles St. Lawrence pneumatika alapjai ppt presentation A thank you letter after work experience 24 Hours progress report card clipart kids. A Thank You Letter After Work Experience 8 Hours New York Franklin barbaresco rizzi prezi presentations annotated bibliography upgrade reporting service database th Street, West zip A thank you letter after work experience West Street zip , earthquakes for kids powerpoint presentation la Salle Street zip free printable writing paper for kids.