EOCT Review Biology 2010 30 Questions Mrs Mc

EOCT Review Biology 2010 30 Questions Mrs. Mc. Clain

1 What does the line graph below show? A. The population increased at a constant rate B. The population increased rapidly and then leveled off C. The population increased at an exponential rate D. Ecosystems are able to support any number of species

2 Mitosis occurs A. Only in gamete cells B. In somatic cells (body cells) C. Only when an organism makes repairs to cells D. As part of active transport

3 All the populations of different organisms that inhabit the same area at the same time make up: A. A community B. An ecosystem C. A biome D. A biosphere

4 The substance labeled “catalyst” also is known by what other name? A. Antibody catalyst B. Lipid C. Enzyme D. Inorganic compound catalyst

5 Down syndrome is the result of an extra chromosome 21 in a gamete. What caused this to happen? A. Nondisjunction B. Telomeres C. Environment D. Chromosome inactivation

6 If a cell is placed in a highly concentrated glucose solution, water will leave the cell by A. Osmosis B. Exocytosis C. Active Transport D. Facilitated diffusion

7 The equation below represents a biological process. Where is this process completed? A. Nucleus B. Mitochondria C. Cell membrane D. Chloroplasts

8 A poison ivy vine has the ability to grow up the side of a large tree. This response is an example of: A. geotropism B. phototropism C. thigmotropism D. hydrotropism

9 What does the pyramid of biological magnification shown below illustrate? A. Higher trophic carnivores eat very little food B. Toxic substances increase as tropic levels increase in a food chain C. Acid precipitation destroys underwater habitats D. The process of eutrophication destroys underwater habitats

10 Why are the structures shown below considered to be homologous? A. They belong to organisms that evolved from separate ancestors B. They are the result of geographic isolation C. They belong to organisms that probably evolved from a common ancestor D. They are the result of sympatric speciation

11 A single strand of DNA with the base pairing sequence C G A T T G is compatible only with the sequence: A. T A G C C T B. G C T A A G C T A A C D. C G A T T G

12 What happens to the total amount of energy as it flows through a food chain? A. It remains the same B. It increases C. It decreases D. It increases and then decreases

13 The cell theory states that: A. Living things are made of cells B. Cells come from other living cells of the same kind C. Cells are the basic unit of all living things D. All of the above

14 Which organelle is the site of protein synthesis? A. Ribosome B. Mitochondria C. Nucleus D. Cell membrane

15 Which of the following kingdoms does NOT contain any heterotrophs? A. Protista B. Animalia C. Plantae D. Fungi

16 Based on this picture, why are eugelnoids classified with plant-like protists? A. They form pseudopods B. They contain chloroplasts and undergo photosynthesis C. They have a nucleus surrounded by a membrane D. They have a flagellum

17 In the nitrogen cycle, nitrogen is continuously recycled. Which type of organism break down nitrogen compounds in dead organisms and recycle them into the soil? A. Bacteria B. Heterotrophs C. Green plants D. Herbivores

18 The scientific name for the African elephant is Loxodonta africana. Which is the species name? A. Loxodonta B. africana C. Homo sapien D. African elephant

19 What is released at each level of pyramid of energy? A. Animals B. Decomposers C. Heat D. Plants

20 Which class of macromolecule store and communicate genetic information? A. Carbohydrate B. Lipid C. Proteins D. Nucleic acids

21 Which processes of organisms are involved in the carbon cycle? A. Runoff & precipitation B. Combustion & precipitation C. Nitrogen-fixing & photosynthesis D. Photosynthesis & respiration

22 Which role do bacteria play in the illustration shown below? A. Cause disease B. Recycle nutrients C. Produce medicines D. Produce foods

23 According to the energy pyramid below, which organisms are the primary consumers? A. Eagle B. Grass C. Snakes D. Mice

24 What do DNA and RNA have in common? A. Both are double stranded B. Both contain ribose molecules C. Both contain phosphate groups D. Both contain uracil

25 You suspect that a chemical that you are testing in the lab is strongly acidic. What might be its p. H? A. 2 B. 7 C. 11 D. 14

26 A molecule of DNA is made up of __. A. Amino acids & proteins B. ATP & enzymes C. Paired nucleotides D. Receptor enzymes

27 What are the structures labeled A on the paramecium? A. Contractile vacuoles B. Oral grooves C. Food Vacuoles D. Cilia A

28 How is the illustration below interpreted by many scientists? A. B. Mitochondria & chloroplasts were once prokaryotes Prokaryotes ate mitochondria only C. Prokaryotes cells evolved from eukaryotes D. Prokaryotes have a nucleus