Topics	Created On	Clicks	Correct	Forum
	Taxonomists classify an organism based on...	11 December 2005	13062	6680
	The shape of a human cheek cell is...	11 December 2005	11773	5533
	Which of the following statements about red blood cells is FALSE?	11 December 2005	8250	2972
	The statements above are descriptions of the...	09 December 2005	7580	3529
	Which organ is NOT related to the respiratory system?	11 December 2005	6358	3977
	Waste products that are excreted by the urinary system...	11 December 2005	5480	2258
	Spinal cord is seriously injured...	11 December 2005	4736	3558
	Special characteristic of CAM plants during photosynthesis	07 December 2005	3008	994
	NOT one of the basic building blocks of proteins?	07 December 2005	1837	522
	Which part of the human alimentary canal does not secrete enzymes?	07 December 2005	1359	617
	Goitre is a disease caused by a diet that lacks...	07 December 2005	1125	691
	The skin will not respond to which stimulus?	07 December 2005	1566	1266
	The central nervous system consists of the...	07 December 2005	1530	498
	The Elodea cell and the human cheek cell both have...	07 December 2005	1451	691
	What deadly poison sometimes contaminates peanuts?	05 December 2005	614	311
	Which cell structures can be seen under a light microscope?	04 December 2005	1051	462
	A red blood cell immersed in a 5% saline solution will...	04 December 2005	662	177
	Which of the following statements about lipids is TRUE?	04 December 2005	413	165
	A coiled and condensed chromatin is known as a...	04 December 2005	904	379
	A person suffering from anorexia nervosa will...	04 December 2005	589	339
	Exhaled air has how much oxygen content?	04 December 2005	603	230
	Plant species usually found nearest to sea in a mangrove swamp	04 December 2005	348	118
	The building block of carbohydrates.	04 December 2005	771	346
	The problem of acid deposition are most associated with...	04 December 2005	352	160
	The sub-discipline of biology	04 December 2005	771	313
	Tissue that lines the body cavities.	04 December 2005	538	318
	Visking tube	04 December 2005	538	172
	What creates maltose?	04 December 2005	325	121
	Genotype of Klinefelter syndrom	03 December 2005	454	235
	During this phase in mitosis, the nuclear membrane disintegrates...	04 December 2005	755	297
	The hormone which plays an important role in seed germination	03 December 2005	670	176
	Light energy is used during photosynthesis to...	04 December 2005	707	317
	The origin of the other membranes in the cell	03 December 2005	618	195
	Adenosine triphosphate (ATP) molecule	04 December 2005	582	371
	The genetic code	03 December 2005	560	225
	All the organisms of differing species that live in a certain habitat	04 December 2005	273	127
	If you are exposed to loud noises for a long duration...	04 December 2005	411	225
	The following secretes enzymes that can digest carbohydrates	04 December 2005	396	117
	Passage through pores in the nuclear envelope	01 December 2005	479	151
	Plants differ from animals in that plant cells have...	01 December 2005	459	298
	Proteins synthesized by the rough endoplasmic reticulum	01 December 2005	423	158
	Ribosomes are made up of...	01 December 2005	564	288
	Oxidative metabolism	30 November 2005	391	136
	"nuclear envelope" vs "nuclear membrane"	30 November 2005	397	130
	Arrangement of microtubules in eukaryotic flagella	30 November 2005	308	112
	NOT a characteristic of prokaryotes	30 November 2005	309	112
	The function of nucleoli	30 November 2005	327	82
	What is the approximate width of a cell membrane?	30 November 2005	2679	1069
	A characteristic feature of prokaryotic organisms	30 November 2005	495	109
	Prokaryotic cells are distinguished from eukaryotic cells by the...	30 November 2005	418	270
	Possesses the most prominent Golgi apparatus	30 November 2005	368	156
	A peptide bond is formed between...	30 November 2005	372	203
	Complex of globular protein with non-proteinaceous material	30 November 2005	321	140
	In which organ of the body is insulin produced?	25 November 2005	518	346
	What is medical name for breastbone?	25 November 2005	333	230
	Diabetes Mellitus	22 November 2005	276	116
	Main reason for including fruits and leafy vegetables in diet	12 October 2005	301	238
	What is the lowest sound frequency audible to an average human?	27 October 2005	162	98
	Which is NOT a description of the structure of DNA?	24 October 2005	330	234
	Down Syndrome (Down’s Syndrome)	24 October 2005	271	152
	Which of the following cell organizations is in the correct order?	06 November 2005	258	173
	Humans and animals discharge faeces through the process of...	08 November 2005	267	171
	A frog breathes by using its...	08 November 2005	273	166
	Why do green plants cannot live without sunlight?	08 November 2005	178	153
	Which of these statements is FALSE?	08 November 2005	267	203
	These plants can reproduce by way of...	08 November 2005	258	221
	Which of the following stimuli is detected by the mimosa plant?	08 November 2005	238	195
	Excretion is the discharging of...	08 November 2005	254	176
	These activities are related to the excretion of...	08 November 2005	242	225
	How does a pangolin protect itself from enemies?	08 November 2005	175	84
	Protect them from being eaten by animals	08 November 2005	144	93
	Does not protect them from enemies?	08 November 2005	135	124
	Which one of the following is a nocturnal organism?	10 November 2005	135	90
	The 5 groups of vertebrates are...	10 November 2005	328	173
	Fungi that grow on living things are called...	10 November 2005	139	106
	Mushrooms reproduce by...	10 November 2005	434	319
	The skeleton of vertebrates is useful because...	10 November 2005	240	174
	Conifers and flowering plants reproduce by...	10 November 2005	248	162
	Examples of fungi	10 November 2005	402	213
	Animals without backbones are called...	10 November 2005	676	437
	After meiosis, each of the two resulting cells will have...	15 November 2005	286	141
	Animals usually store excess carbohydrates in the form of...	15 November 2005	378	216
	What is osmosis?	15 November 2005	263	113
	A plasmolysed cell can be reverted to normal by...	15 November 2005	230	110
	A higher concentration of dissolved substances...	15 November 2005	210	128
	A group of cells specializes to perform a common function...	15 November 2005	245	145
	The water in a lake which has been polluted by domestic wastes...	15 November 2005	112	75
	Has nuclear material but no nuclear membrane	14 November 2005	217	99
	Exchange of dissolved gasses...	14 November 2005	219	138
	What is the function of potassium in animal cells?	14 November 2005	188	82
	The most abundant substance within cells.	14 November 2005	195	124
	Cell division occurs actively in the human body EXCEPT at the...	14 November 2005	231	143
	Acid rain is due to...	14 November 2005	114	66
	Use other organisms that are dead or decaying as food.	14 November 2005	105	49
	What provides instant energy for muscle contraction?	14 November 2005	227	104
	A diabetic should avoid food that is rich in...	14 November 2005	290	156
	Cell division via meiosis produces...	14 November 2005	200	106
	The following statements about cells are FALSE EXCEPT...	14 November 2005	196	93
	A plant cell becomes turgid when...	14 November 2005	296	132
	Pepsin is an enzyme that functions optimally at...	14 November 2005	233	84
	The feeding method of Amoeba sp.	14 November 2005	221	147
	Mitosis	14 November 2005	191	91
	This enzyme can be used to tenderise meat during food processing.	14 November 2005	194	112
	Can be transported through the pores of the plasma membrane.	14 November 2005	178	86
	The organelle that performs cellular respiration.	14 November 2005	240	165
	New cells produced after meiosis differs from each other in...	14 November 2005	207	82
	A system of sacs and tubes that transports substances...	14 November 2005	181	74
	The 2 main substances that cause eutrophication	14 November 2005	137	66
	A disease caused by fungi.	14 November 2005	260	161
	Muscle cramps and fatigue are caused by...	14 November 2005	236	120
	An obese person is much more at risk of...	14 November 2005	229	211
	What is cytokinesis?	14 November 2005	172	101
	The functions of enzyme are specific because...	14 November 2005	176	102
	Cell X uses active transport extensively to move substances...	14 November 2005	166	105
	The maintenance of a stable biological environment in organisms.	14 November 2005	158	103
	The scientist who first viewed cells	14 November 2005	162	80
	The cell membrane is composed mainly of...	14 November 2005	293	175
	Mitochondrion is used for...	14 November 2005	184	133
	Which of the following components gives elasticity to cell membranes?	14 November 2005	177	65
	Which of the following unicellular organisms is the smallest?	14 November 2005	174	27
	..... deficiency can cause bleeding gums.	14 November 2005	225	116
	The main substrate for cell respiration.	14 November 2005	161	95
	Migration of one species away from a habitat	14 November 2005	105	57
	A gas that reduces the amount of oxygen transported to tissues	14 November 2005	218	151
	The species that first colonises a new habitat.	14 November 2005	96	48
	The two systems that regulate bodily functions	15 November 2005	205	58
	Unlike most other fishes, sharks have no...	15 November 2005	161	38
	Genetic disorder that causes uncontrolled bleeding	15 November 2005	197	126
	What kind of antigen and antibody do you have?	15 November 2005	179	68
	Plants that manufacture their own food is known as...	15 November 2005	150	95
	The cloaca of a lizard is used for...	15 November 2005	123	52
	The toad is able to breathe by means of its skin because...	15 November 2005	129	46
	..... is a virus which can live within a bacteria.	15 November 2005	133	87
	Which of the following organisms cannot move by itself?	15 November 2005	133	100
	Which of the following provides the best evidence for evolution?	15 November 2005	171	127
	Which of the following organisms is most capable of regeneration?	15 November 2005	148	63
	Which of the following is NOT an effect of smoking?	15 November 2005	177	162
	Blood in the ..... is rich in oxygen.	15 November 2005	185	81
	The medium that transports substances in plants is...	15 November 2005	150	112
	Endoskeleton	15 November 2005	158	111
	What moves the chromosomes during mitosis in animal cells?	15 November 2005	173	69
	What is the function of phagocytic leucocytes?	15 November 2005	169	96
	In what cells can mitosis occur?	15 November 2005	314	105
	Composition of blood in the renal artery and the renal vein.	15 November 2005	180	75
	Chromosomes are composed of...	15 November 2005	208	142
	The inner membrane of the mitochondrion...	15 November 2005	164	72
	What is the function of a buffer in the bloodstream?	15 November 2005	164	106
	Which of the following describes the action of a buffer?	15 November 2005	147	59
	Which organelle provides the energy for protein synthesis?	15 November 2005	181	121
	Thymine molecules present in a DNA molecule with 1000 bases	15 November 2005	84	18
	Which of the following blood vessels have thin, permeable walls?	15 November 2005	166	118
	The vessel that returns blood that is low in oxygen to the heart...	15 November 2005	153	59
	Prevents blood from moving back into the left ventricle...	15 November 2005	150	67
	Change in blood pressure was caused by a hormone from...	15 November 2005	142	91
	Respiratory tract	15 November 2005	137	89
	Most of the proteins produced by a cell are manufactured at the...	15 November 2005	180	103
	Glucose molecules undergoing dehydration synthesis...	15 November 2005	138	38
	Which structure is responsible for endocytosis?	15 November 2005	162	50
	Evolution by ...	13 August 2005	347	214
	Plants responds slowly because ...	13 August 2005	335	234
	Elephantiasis	13 August 2005	321	188
	Phylum of marine animals only	13 August 2005	228	60
	Genetic disease	29 July 2005	286	214
	Inherited disorder	29 July 2005	247	106
	Quantity of human blood	14 July 2005	1552	814
	Largest number of cells	14 July 2005	403	175
	Second largest organ	14 July 2005	1445	812
	Largest Artery	14 July 2005	4913	3351
	Longest Bone	14 July 2005	657	399
	Life span of brain cells	14 July 2005	3043	1845
	Important part of the digestive system	07 July 2005	404	249
	Food absorption in our digestive system	07 July 2005	503	266
	Blood circulation system through the heart	07 July 2005	792	262
	What causes scurvy?	01 July 2005	811	542
	What enable red blood cells to transport oxygen?	30 June 2005	768	593
	Loudest natural sound made by an organism	26 June 2005	774	533
	How do giraffes sleep?	26 June 2005	915	679
	Discoverer of DNA’s structure	26 June 2005	453	230
	Discoverer of DNA’s existence	26 June 2005	706	288
	Largest body organ	26 June 2005	1163	800