Objective Questions
All objective questions for BIO 101
Questions (2556)
| # | Question | Topic | Actions |
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| 2101 |
The interactions among non-living environment is called: A. Abiotic interaction…
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| 2102 |
The arrangement of soil particles is known as: a. Soil drainage b. soil texture…
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| 2103 |
Thermometer is to temperature as secchi disc is to: a. pressure b. incubator c.…
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| 2104 |
What are edaphic factors in the environment concerned with? A. animals B. the c…
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| 2105 |
All the energy used by living organisms is originally captured from: a. Plants …
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| 2106 |
Solar energy is made useful to the biotic community by: a. the consumers b. the…
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| 2107 |
Energy and nutrients enter a community by way of the: A. producers B. consumers…
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| 2108 |
Energy moves from one organism to another or from one part of the ecosystem to …
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| 2109 |
The highest percentage of energy in an ecosystem occurs at the level of the: A.…
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| 2110 |
Sequence of species through which the organic molecules in a community pass is …
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| 2111 |
The level of feeding of an organism in a food chain or web is known as its: A. …
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| 2112 |
What proportion of energy is transferred from one trophic level to the next hig…
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| 2113 |
In the following: grass----grasscutter----tiger----man; the amount of energy th…
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| 2114 |
In a food chain: grass -> goat -> lion, lion belongs to which trophic level? A.…
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| 2115 |
In the following: grass, grasshopper, toad, snake, and hawk. Toad belongs to wh…
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| 2116 |
In a grassland food web, the goat, the sheep and the grasshopper occupy: a. fou…
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| 2117 |
A primary consumer is equivalent to? A. A herbivore B. A carnivore C. A predato…
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| 2118 |
In the following: mushroom----man----lion----bacteria; the secondary consumer i…
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| 2119 |
Why are decomposers important in a food chain? a. Other organisms cannot eat th…
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| 2120 |
The carrion feeders are organisms that feed on: a. dead organisms b. plankton c…
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| 2121 |
An example of first organism to be found in a detritus food chain is usually: a…
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| 2122 |
A food web is all but? A. A network of food chains B. Interlocking food chains …
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| 2123 |
The major advantage of a food web is that: a. It gives precise information on m…
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| 2124 |
Which of the following food chains is the most efficient for making energy avai…
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| 2125 |
What form of ecological pyramid takes account of dry weight of organisms at eac…
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| 2126 |
Which trophic level of an ecological pyramid of number with the following food …
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| 2127 |
A form of ecological pyramid that is mainly an inverse pyramid is usually used …
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| 2128 |
The conversion of atmospheric nitrogen to nitrogenous compounds is called: A. A…
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| 2129 |
The transformation of nitrogen from ammonia to nitrite and to nitrate is called…
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| 2130 |
The four stages of nitrogen cycle do not include: a. Nitrification b. Denitrifi…
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| 2131 |
In nitrogen fixation, the reduction of nitrogen gas to ammonia occurs due to th…
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| 2132 |
Abiotic natural means of nitrogen fixation occurs through: a. thunderstorm b. n…
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| 2133 |
Release of nitrogen from living animals to the soils occurs through: a. Excreti…
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| 2134 |
Which of the following soil micro-organisms changes protein in plant and animal…
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| 2135 |
Carbon in form of carbonate in the soil is returned to the biotic component of …
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| 2136 |
The portion of carbon in tissues that escape decomposition is used to form: a. …
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| 2137 |
Which of these processes is an abiotic anthropogenic means of releasing carbon …
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| 2138 |
Water moves from the soil and plant leaves to the atmosphere in form of: a. Tra…
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| 2139 |
Precipitation in water cycle does not include: a. humidity b. rainfall c. dewls…
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| 2140 |
Who proposed the theory of population growth? a. Ernst Haeckel b. Shelford c. C…
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| 2141 |
The number of individuals per unit area is described as: A. a population size B…
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| 2142 |
The change in population size per unit time is known as? A. Population density …
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| 2143 |
When immigration + natality is greater than emigration + mortality; the populat…
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| 2144 |
The estimation of the population of periwinkles in a pond is best done by: A. Q…
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| 2145 |
Which of the following is most suitable to estimate the population of Tilapia f…
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| 2146 |
The first set of organisms to occupy an area during ecological succession are c…
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| 2147 |
A community is developed after ecological succession: a. climax b. primary c. s…
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| 2148 |
The organisms in an ecosystem interact because: a. there is the need to have a …
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| 2149 |
A form of interaction between organisms where the effect is not easily identifi…
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| 2150 |
A facultative positive-positive (+/+) interaction is: A. neutralism B. protocoo…
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| 2151 |
The association between cattle egrets, which feed on insects, and the cows they…
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| 2152 |
What name is given to an obligatory association where the two parties are benef…
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| 2153 |
What form of interaction exists between you and a UNILAG lecturer that gives yo…
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| 2154 |
A form of interaction in which one organism attaches itself to another organism…
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| 2155 |
Which enzyme is responsible for the synthesis of mRNA?
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| 2156 |
The Dodder plant, Cuscuta lives on Ulex spp., by penetrating the bark and drawi…
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| 2157 |
In predation, ___ losses and in parasitism ___ losses: A. Host, predator B. Pre…
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| 2158 |
When Ekene and Bobo interact and such produces negative effects on both individ…
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| 2159 |
When a man mistakenly tramples on a black ant and the ant dies; what form of in…
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| 2160 |
Competition between species will be greatest if they attempt to occupy the same…
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| 2161 |
Intraspecific competition is competition among: A. species B. individuals of a …
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| 2162 |
A large geographical area with specific vegetation and climatic factors is know…
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| 2163 |
A type of biome that is dominated by grasses is called: A. a shrubland B. a for…
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| 2164 |
One of these is not found in Nigeria: A. Rain forest B. Guinea savanna C. Sudan…
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| 2165 |
Running water body refers to: a. Lentic b. Lotic ecosystem c. Lentotic d. Wetla…
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| 2166 |
Organisms found on or in the surface parts of an ocean or lake are: A. Biota B.…
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| 2167 |
Plants adapted for life in a salty marsh are called? A. Sodophytes B. Hydrophyt…
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| 2168 |
Substances that reduce the quality of the environment and cause harm to organis…
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| 2169 |
The presence of a substance and/or energy in an environment without adverse eff…
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| 2170 |
Which of the following air pollutants is a factor in causing bronchitis? A. car…
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| 2171 |
Man's activities always produce ___ effect on the environment: a. Positive and …
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| 2172 |
Biology comprises two words: A. Bio and logy B. Bio and logo C. Bios and logos …
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| 2173 |
Which is not true about the subject biology? a. It deals with all forms of life…
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| 2174 |
Biology studies the following in living things except: a. Origin b. Function c.…
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| 2175 |
Biology encompasses the following except: a. Chemistry b. All the above c. Zool…
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| 2176 |
Modern Biology is defined as: a. Heptathlon of Knowledge b. Decathlon of Scienc…
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| 2177 |
Who among the following popularized the term Biology? a. Haeckel b. Darwin c. M…
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| 2178 |
Which of the following is NOT a characteristic that all living things share? a.…
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| 2179 |
A characteristic of life is: a. chemical bonds b. the use of oxygen c. the prod…
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| 2180 |
is the capacity of cells to extract energy from sources in the environment and …
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| 2181 |
What is metabolism? a. The release of energy b. The sum of all chemical reactio…
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| 2182 |
is the building up of simple compounds that are needed for cellular activities,…
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| 2183 |
is a state in which the internal environment is being maintained within a toler…
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| 2184 |
The ability of organisms to maintain internal balance is called: a. Regulation …
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| 2185 |
Maintaining an internal environment with an organism is called: a. Response to …
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| 2186 |
You drink a glass of lemon, but your body's pH does not change. This is an exam…
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| 2187 |
Homeostatic control in living things is exerted over all of the following EXCEP…
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| 2188 |
Which of the following is NOT a method by which organisms use to regulate homeo…
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| 2189 |
Growth and development in living organisms occur due to: A. Evolution B. Increa…
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| 2190 |
A tadpole turns into a frog over its lifetime. This is called: a. homeostasis b…
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| 2191 |
Two dogs mate and produce a puppy. This is an example of: a. Reproduction b. Ho…
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| 2192 |
The bones in a bird are hollow so as to reduce its weight for flight. This is a…
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| 2193 |
Which of the following is an example of a response to stimulus? a. you eat food…
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| 2194 |
The correct hierarchy of organization is: A. Atom to Macromolecule to Molecule …
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| 2195 |
Which correctly indicates the sequence of increasing organization? a. organelle…
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| 2196 |
Ovulation normally occurs around day 14 of the menstrual cycle (True/False).
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| 2197 |
Which is next in line? Molecules → organelles → cells → tissues → organs → : a.…
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| 2198 |
The correct sequence of levels in life's hierarchy of man, proceeding downward …
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| 2199 |
Organs are composed of tissues, which are composed of cells. This is an example…
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| 2200 |
Which of the following is composed of two or more tissue types that come togeth…
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