unit 1 revision quiz

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  • 1.Kids, you tried your best and you failed miserably. The lesson is ...never try- Homer Simpson

2. Yeast is a unicellular fungus with a cellwall. This feature is:A. both a plant and animal characteristicB. an animal characteristicC. a plant characteristicD. exclusive to yeast as they are unique 3. A lamprey is a fishthat sucks the blood of other fishes for food. Its digestive tube is:A. long, because blood is thick and hard to digest.B. short and simple, because blood is easily digestedC. non-existent, because blood is already an internal fluidD. complex to separate the various components of blood 4. Which terrestrial environment wouldcause the fastest rate of water loss?A. cold, humid and windyB. hot, humid and windyC. hot, dry and windyD. hot, dry and no wind 5. A balanced diet isone that:A. provides enough energy for minimum daily needsB. contains only one type foodC. contains as great a number of different foods as possibleD. consists of three meals a day 6. Refer to the image - the right atrium isrepresented by:A. 2B. 5C. 7D. 8 7. The correct sequencefor blood from its return to the heartfrom the lower bodywould be:A. 6-5-8-4-1-2-7-3B. 1-2-7-3-6-5-8-4C. 4-7-2-1-6-5-8-3D. 1-2-7-4-6-5-8-3 8. Insects have opencirculatorysystems, whichmeans that:A. there is no heartB. there is no liquidC. there are no blood vesselsD. there are no capillaries 9. Fresh water fishneed to excrete large amounts of dilute urine because theA. concentration of solutes is high in water and low in fishB. Cells of the fish tend to gain water from the environmentC. Cells of the fish lose water as urineD. Freshwater fish drink lots of fresh water that needs to be excreted 10. Hydra, a simpleaquatic animal, doesnot require aspecialised transportsystem because:A. it does not need the same nutrients as more complex animalsB. all the cells of the hydra can obtain nutrients by diffusionC. all the cells can obtain their nutrients by osmosisD. the cells do not live long enough to require nutrients 11. Untreated kidney failure in humansresults in death dueto:A. inability to excrete ureaB. inability to produce ureaC. inability to reabsorb glucose from the kidney tubuleD. inability to reabsorb proteins from the kidney tubule 12. The function ofthe area labelled Y isA. filtrationB. secretionC. absorptionD. collection 13. In flowering plantsthe process ofpollination occurswhen:A. pollen is formed in the antherB. pollen undergoes meiosisC. pollen is transferred from the anther to the stigmaD. pollen grows a pollen tube down the style 14. In human reproduction, eggsare released from the ovary at an averagerate of:A. one every 14 daysB. one every 28 daysC. one every 9 months (40 weeks)D. as a reflex action of sexual intercourse 15. The correctsequence formitosis is:A. Interphase, metaphase, anaphase, telophase, prophaseB. Anaphase, telophase, interphase, prophase, metaphaseC. Metaphase, anaphase, telophase, interphase, prophaseD. Interphase, prophase, metaphase, anaphase, telophase 16. Gestation is the term for:A. the process whereby unspecialised cells developB. the production of milk in mammalsC. the contraction of the uterus during birthD. the development time from fertilization to birth 17. What effect docholesterol moleculeshave on a plasma membrane?A. Provides channels through which water molecules and small ions can passB. Provides stabilityC. Act as a reserve energy source for the cellD. Insulates the cell 18. Which two forms of trans-membrane transport requireenergy?A. Osmosis & facilitated diffusionB. Active transport & osmosisC. Facilitated diffusion & active transportD. Bulk transport & active transport 19. Plant cells with highinternal fluidpressures are said tobe ...A. hypertonicB. permeableC. turgidD. hypotonic 20. A heterotroph is ...A. A type of fungiB. An organism capable of existing in more than one type of habitatC. An organism that does not make its own foodD. A biological catalyst 21. Osmosis is ...A. Movement of water from an area of low solute concentration to high solute concentrationB. Movement of water from a hypertonic solutionC. Movement of water molecules from an area of low to high water concentrationD. Movement of solute from an area of high water concentration to high water concentration 22. Which phase ofmeiosis is shown inthis diagram?A. Metaphase IB. Anaphase IC. Metaphase IID. Anaphase II 23. The cellularcomponents of a prokaryote include ...A. Ribosomes, DNA & chloroplastsB. Nucleus, mitochondria & plasma membraneC. Capsule, flagella & mitochondriaD. Plasma membrane, ribosomes & cell wall 24. Which of thefollowing statements onactive transportis incorrect?A. It requires energyB. It moves substances from high to low concentrationC. It involves passage through a trans-membrane proteinD. It is capable of transporting polar ions 25. Which of thefollowing statementsaboutbiomacromolecules isincorrect?A. Monosaccharides are the building blocks of carbohydratesB. Fatty acids and glycerol are the building blocks of lipidsC. Amino acids are the building blocks of proteinsD. Nucleic acids are the building blocks of nucleotides 26. The featuredgraph couldrepresent ...A. Enzyme reactions rate vs temperatureB. Enzyme reactions rate vs pHC. Enzyme reactions rate vs enzyme concentrationD. Enzyme reactions rate vs substrate concentration 27. The featuredgraph couldrepresent ...A. Enzyme reactions rate vs enzyme concentrationB. Enzyme reactions rate vs substrate concentrationC. Yield vs enzyme concentrationD. Yield vs substrate concentration 28. Which of thefollowing is notan elementfound in nucleic acidsA. CarbonB. SulphurC. OxygenD. Phosphorus 29. Which of the following is acorrect representation ofthe levels of organisation(small to large)A. Cells, biomacromolecules, tissue, organs, systemsB. Biomacromolecules, cells, tissue, systems, organsC. Biomacromolecules, cells, tissue, organs, systemsD. Biomacromolecules, cells, organs, tissue, systems 30. Which of thefollowing is notrequired for photosynthesis to occur?A. WaterB. Carbon dioxideC. ChlorophyllD. Oxygen 31. Plants need water for use in photosynthesis as well as for the overall functionand maintenance of theplant. To reduce water losson a windy day plants will:A. Take up more water from the soilB. Open their stomataC. Close their stomataD. Use less water in photosynthesis 32. Chlorophyll would befound in ...A.B.C.D. 33. The compound whichcontains theimmediate source of energy for cellular processes is ...A. the sunB. carbohydratesC. GlucoseD. ATP 34. The cell cycleincludes ...A. a synthesis period when genetic material is replicatedB. three gap periods during which cell growth occursC. the production of two new cells at the end of anaphaseD. an interphase stage during which the cell is metabolically inactive 35. Enzymes are chemicals that play an importantrole in many reactions in the body. Which of the following is not true about enzymes?A. They are temperature and pH specificB. They are made of proteinC. They speed up the rate of reactionD. They cannot be reused once they take part in a reaction 36. The concentration of some ions and moleculeswithin a cell may be different from the concentration of these ions and molecules inthe external environment of the cell. This difference in concentration is maintained directly by the activities of theA. MitochondriaB. NucleusC. Cell membraneD. Ribosomes 37. An individual with type B-blood would be able todonate blood to individualswith which of the following blood types?A. B+B. A-C. O+D. O- 38. The differencebetween agermline cell and asomatic cell is that:A. germline cells give rise to gametes and somatic cells make up the bodyB. germline cells are diploid and somatic cells are haploidC. somatic cells include sense receptors and germline cells are found in the nervous systemD. somatic cells reproduce by meiosis and germline cells undergo mitosis 39. Peristalsis is:A. the chewing of food in the mouthB. the contraction and relaxation of muscles that moves food through the alimentary canalC. the absorption of broken down food into the bloodstreamD. the clumping together of faeces in the large intestine 40. Are you going to rock this exam or what?A. I am the king of the world, kneel at my feet!B. My knowledge of anim and planks is acceptableC. Im so nervous, I hope I dont wet myselfD. That dissected rat doesnt know the meaning of dead