Biology
Grade-9
Easy
Question
____________ is a sort of renewable energy derived from recently living biological materials that can be utilized to produce transportation fuels, heat, electricity, and products.
- Biomaterial
- Biochemical
- Biomass
- Biogas
Hint:
Biomass
The correct answer is: Biomass
Biomass is a sort of renewable energy derived from recently living biological materials that can be utilized to produce transportation, fuels, heat, electricity and products.
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Plant-based materials can be used to make a variety of products, including body creams, soaps, vegetable oil-based lotions, and herbal extracts called as _________________.
Plant-based materials can be used to make a variety of products, including body creams, soaps, vegetable oil-based lotions, and herbal extracts called as _________________.
BiologyGrade-9
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Pick the odd one out:
Pick the odd one out:
BiologyGrade-9
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Match the following
| 1. Primary bioresources |
a.  |
| 2. Secondary bioresources |
b.  |
| 3. Tertiary bioresources |
c.  |
Match the following
| 1. Primary bioresources |
a. |
| 2. Secondary bioresources |
b. |
| 3. Tertiary bioresources |
c. |
BiologyGrade-9
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Choose the example of biotic natural resources.
Choose the example of biotic natural resources.
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Organic matter or living creatures, commonly known as the biosphere or ecosphere, provide _________ natural resources.
Organic matter or living creatures, commonly known as the biosphere or ecosphere, provide _________ natural resources.
BiologyGrade-9
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This biosensor is also known as calorimetric biosensors.
This biosensor is also known as calorimetric biosensors.
BiologyGrade-9
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The number of analytes–bioreceptor interactions is usually proportionate to the amount of optical or electrical signals produced by ____________.
The number of analytes–bioreceptor interactions is usually proportionate to the amount of optical or electrical signals produced by ____________.
BiologyGrade-9
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_ ____________ biosensors are those in which changes in charge distribution produce an electrical potential.
_ ____________ biosensors are those in which changes in charge distribution produce an electrical potential.
BiologyGrade-9
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When the physical change produced in a biosensor is due to the movement of electrons produced in a redox reaction, the biosensor is referred to as ____________.
When the physical change produced in a biosensor is due to the movement of electrons produced in a redox reaction, the biosensor is referred to as ____________.
BiologyGrade-9
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The adsorption of specific molecules on the crystal surface changes the resonance frequencies, which can be detected using electronic instruments. Choose the type of biosensor which supports this statement.
The adsorption of specific molecules on the crystal surface changes the resonance frequencies, which can be detected using electronic instruments. Choose the type of biosensor which supports this statement.
BiologyGrade-9
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Immobilized enzymes are preferred more over free enzymes in producing biosensors. State true or false
Immobilized enzymes are preferred more over free enzymes in producing biosensors. State true or false
BiologyGrade-9
Biology
Which of the following biosensors is made up of a heat-insulated box with a heat exchanger (aluminum cylinder)?
Which of the following biosensors is made up of a heat-insulated box with a heat exchanger (aluminum cylinder)?
BiologyGrade-9
Biology
Heat output: calorimetric biosensor: light output: ______
Heat output: calorimetric biosensor: light output: ______
BiologyGrade-9
Biology
Which of the following is not a kind biosensor?
Which of the following is not a kind biosensor?
BiologyGrade-9
Biology
Match the following
| a. Potentiometric biosensor |
|
| b. Optical biosensor |
|
| c. Piezoelectric biosensor |
|
Match the following
| a. Potentiometric biosensor |
|
| b. Optical biosensor |
|
| c. Piezoelectric biosensor |
|
BiologyGrade-9
