Q. What is the term containing x^2 in the expansion of (3x - 4)^6?
-
A.
-1440
-
B.
720
-
C.
-720
-
D.
1440
Solution
The term containing x^2 is given by C(6,2) * (3x)^2 * (-4)^(6-2) = 15 * 9 * 256 = -1440.
Correct Answer:
A
— -1440
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Q. What is the term containing x^2 in the expansion of (x + 4)^6?
-
A.
240
-
B.
360
-
C.
480
-
D.
600
Solution
The term containing x^2 is given by C(6,2) * (4)^4 * (x)^2 = 15 * 256 * x^2 = 3840.
Correct Answer:
C
— 480
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Q. What is the term containing x^5 in the expansion of (2x + 3)^6?
-
A.
540
-
B.
720
-
C.
810
-
D.
900
Solution
The term containing x^5 occurs when k = 5. Using the binomial theorem, the term is C(6,5) * (2x)^5 * 3^1 = 6 * 32 * 3 = 576.
Correct Answer:
B
— 720
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Q. What is the term containing x^5 in the expansion of (2x - 3)^8?
-
A.
-6720
-
B.
6720
-
C.
-13440
-
D.
13440
Solution
The term containing x^5 occurs when k = 5. Using the binomial theorem, the term is C(8,5) * (2x)^5 * (-3)^3 = 56 * 32 * (-27) = -48384.
Correct Answer:
A
— -6720
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Q. What is the term for a flower that has both male and female reproductive structures? (2019)
-
A.
Unisexual
-
B.
Bisexual
-
C.
Asexual
-
D.
Monoecious
Solution
A bisexual flower contains both male (stamens) and female (pistils) reproductive structures.
Correct Answer:
B
— Bisexual
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Q. What is the term for a flower with both male and female reproductive structures? (2019)
-
A.
Unisexual
-
B.
Bisexual
-
C.
Asexual
-
D.
Monoecious
Solution
A bisexual flower contains both male (stamens) and female (pistils) reproductive structures.
Correct Answer:
B
— Bisexual
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Q. What is the term for a solution that contains the maximum amount of solute that can dissolve at a given temperature? (2022)
-
A.
Unsaturated solution
-
B.
Saturated solution
-
C.
Supersaturated solution
-
D.
Concentrated solution
Solution
A saturated solution is one that contains the maximum amount of solute that can dissolve at a specific temperature.
Correct Answer:
B
— Saturated solution
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Q. What is the term for an organism that has two identical alleles for a trait? (2022)
-
A.
Heterozygous
-
B.
Homozygous
-
C.
Dominant
-
D.
Recessive
Solution
An organism with two identical alleles for a trait is called homozygous.
Correct Answer:
B
— Homozygous
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Q. What is the term for an organism's genetic makeup? (2022)
-
A.
Phenotype
-
B.
Genotype
-
C.
Allele
-
D.
Trait
Solution
The genetic makeup of an organism is referred to as its genotype.
Correct Answer:
B
— Genotype
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Q. What is the term for species that are at risk of extinction? (2020)
-
A.
Endangered species
-
B.
Invasive species
-
C.
Keystone species
-
D.
Extinct species
Solution
Endangered species are those that are at risk of extinction due to various factors.
Correct Answer:
A
— Endangered species
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Q. What is the term for species that are found nowhere else on Earth? (2022)
-
A.
Endemic species
-
B.
Invasive species
-
C.
Keystone species
-
D.
Threatened species
Solution
Endemic species are those that are found nowhere else on Earth and are often vulnerable to extinction.
Correct Answer:
A
— Endemic species
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Q. What is the term for species that are found only in a specific geographic area? (2020)
-
A.
Endemic species
-
B.
Invasive species
-
C.
Keystone species
-
D.
Indicator species
Solution
Endemic species are those that are found only in a specific geographic area.
Correct Answer:
A
— Endemic species
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Q. What is the term for species that are native to a particular area and not found elsewhere? (2021)
-
A.
Endemic species
-
B.
Invasive species
-
C.
Exotic species
-
D.
Keystone species
Solution
Endemic species are those that are native to a particular area and not found elsewhere.
Correct Answer:
A
— Endemic species
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Q. What is the term for species that are native to a particular area? (2019)
-
A.
Invasive species
-
B.
Endemic species
-
C.
Exotic species
-
D.
Migratory species
Solution
Endemic species are those that are native to a particular area and are not found naturally anywhere else.
Correct Answer:
B
— Endemic species
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Q. What is the term for the ability of a muscle to respond to a stimulus? (2023)
-
A.
Contractility
-
B.
Excitability
-
C.
Extensibility
-
D.
Elasticity
Solution
Excitability refers to the ability of a muscle to respond to a stimulus, such as a nerve impulse.
Correct Answer:
B
— Excitability
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Q. What is the term for the ability of muscles to respond to stimuli? (2023)
-
A.
Contractility
-
B.
Excitability
-
C.
Extensibility
-
D.
Elasticity
Solution
Excitability refers to the ability of muscles to respond to stimuli, such as nerve impulses.
Correct Answer:
B
— Excitability
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Q. What is the term for the arrangement of flowers on a stem? (2023)
-
A.
Inflorescence
-
B.
Peduncle
-
C.
Receptacle
-
D.
Calyx
Solution
Inflorescence refers to the arrangement of flowers on a stem.
Correct Answer:
A
— Inflorescence
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Q. What is the term for the change of state from solid directly to gas? (2020)
-
A.
Sublimation
-
B.
Deposition
-
C.
Evaporation
-
D.
Condensation
Solution
Sublimation is the process where a solid changes directly into a gas without passing through the liquid state.
Correct Answer:
A
— Sublimation
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Q. What is the term for the change of state from solid to gas without passing through the liquid state? (2020)
-
A.
Sublimation
-
B.
Deposition
-
C.
Evaporation
-
D.
Condensation
Solution
Sublimation is the process where a solid changes directly into a gas without becoming a liquid.
Correct Answer:
A
— Sublimation
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Q. What is the term for the connection between a motor neuron and a muscle fiber? (2023)
-
A.
Synapse
-
B.
Neuromuscular junction
-
C.
Axon terminal
-
D.
Motor end plate
Solution
The neuromuscular junction is the synapse between a motor neuron and a muscle fiber, facilitating muscle contraction.
Correct Answer:
B
— Neuromuscular junction
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Q. What is the term for the development of an organism from an egg? (2023)
-
A.
Embryogenesis
-
B.
Metamorphosis
-
C.
Germination
-
D.
Fertilization
Solution
Embryogenesis is the process of development of an organism from a fertilized egg.
Correct Answer:
A
— Embryogenesis
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Q. What is the term for the division of the cytoplasm during cell division? (2020)
-
A.
Mitosis
-
B.
Cytokinesis
-
C.
Interphase
-
D.
Telophase
Solution
Cytokinesis is the process that divides the cytoplasm of a parental cell into two daughter cells.
Correct Answer:
B
— Cytokinesis
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Q. What is the term for the energy required to change a substance from liquid to gas? (2023)
-
A.
Latent heat of fusion
-
B.
Latent heat of vaporization
-
C.
Specific heat
-
D.
Thermal energy
Solution
The energy required to change a substance from liquid to gas is called the latent heat of vaporization.
Correct Answer:
B
— Latent heat of vaporization
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Q. What is the term for the energy required to change a substance from solid to liquid?
-
A.
Heat of fusion
-
B.
Heat of vaporization
-
C.
Sublimation energy
-
D.
Latent heat
Solution
The heat of fusion is the energy required to change a substance from solid to liquid.
Correct Answer:
A
— Heat of fusion
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Q. What is the term for the energy required to separate an adsorbate from an adsorbent? (2023)
-
A.
Adsorption energy
-
B.
Desorption energy
-
C.
Activation energy
-
D.
Bond energy
Solution
Desorption energy is the energy required to separate an adsorbate from an adsorbent.
Correct Answer:
B
— Desorption energy
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Q. What is the term for the evolutionary process where one species evolves into multiple species to adapt to different environments?
-
A.
Adaptive Radiation
-
B.
Convergent Evolution
-
C.
Divergent Evolution
-
D.
Speciation
Solution
Adaptive radiation is the evolutionary process where one ancestral species diversifies into multiple species to adapt to various environments.
Correct Answer:
A
— Adaptive Radiation
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Q. What is the term for the exchange of gases between the blood and body cells? (2023)
-
A.
External respiration
-
B.
Internal respiration
-
C.
Cellular respiration
-
D.
Pulmonary ventilation
Solution
Internal respiration refers to the exchange of gases between the blood and body cells, where oxygen is delivered and carbon dioxide is removed.
Correct Answer:
B
— Internal respiration
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Q. What is the term for the extinction of a species in a specific habitat while it still exists elsewhere? (2020)
-
A.
Global extinction
-
B.
Local extinction
-
C.
Mass extinction
-
D.
Endemism
Solution
Local extinction refers to the extinction of a species in a specific habitat while it still exists in other areas.
Correct Answer:
B
— Local extinction
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Q. What is the term for the extinction of a species in a specific habitat while it still exists in other areas? (2020)
-
A.
Global extinction
-
B.
Local extinction
-
C.
Mass extinction
-
D.
Endemic extinction
Solution
Local extinction refers to the extinction of a species in a specific habitat while it still exists in other areas.
Correct Answer:
B
— Local extinction
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Q. What is the term for the female reproductive part of a flower? (2022)
-
A.
Stamen
-
B.
Pistil
-
C.
Petal
-
D.
Sepal
Solution
The pistil is the female reproductive part of the flower, consisting of the ovary, style, and stigma.
Correct Answer:
B
— Pistil
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