EOCT Review Biology 2010 30 Questions Mrs. McClain 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 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 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 mimosa plant has the ability to fold its leaves when they are touched. 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. 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 Why are eugelnoids classified with
plantlike protists? (picture gives you a clue!) 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 pH? 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. Mitochondria & chloroplasts were once prokaryotes B. Prokaryotes ate mitochondria only C. Prokaryotes cells evolved from eukaryotes D. Prokaryotes have a nucleus
29 Which is a product of photosynthesis? A. ATP B. Glucose C. Water D. Carbon dioxide 30
Identify the process that is taking place in the illustration below. A. Binary fission B. Meiosis C. Endospore formation D. chemosynthesis The End
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