Biology
Grade-8
Easy
Question
More than 50% of incident solar radiation is PAR.
- True
- False
Hint:
Photosynthetically Active Radiation (PAR) is the light wavelength range that is best fit for photosynthesis to occur. Photosynthesis is a process that requires light energy and optimally occurs in the 400 to 700 nanometer (nm) range 1.
The correct answer is 'False'.
- Around 50% of the total radiation from sunlight falls under photosynthetically active radiation and supports the process of photosynthesis.
- It constitutes the light of 400-700 nm wavelength which is absorbed by chlorophyll pigment. Out of which only 2 - 10% are captured by plants.
Related Questions to study
Biology
Primary production is the amount of biomass produced per unit area over a time period by plants during photosynthesis.
Primary production is the amount of biomass produced per unit area over a time period by plants during photosynthesis.
BiologyGrade-8
Biology
_______ is the process in which the water-soluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts.
_______ is the process in which the water-soluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts.
BiologyGrade-8
Biology
Across
3. Detritus food web will begin with
4. A food web illustrates the
6. The natural interconnection of food chains makes the
Down
1. Animals which eat other animals, which in turn eat the plants, are called
2. The process of breakdown of detritus into smaller particles by detritivores.
5. Rate of production of organic matter during photosynthesis.
Across
3. Detritus food web will begin with
4. A food web illustrates the
6. The natural interconnection of food chains makes the
Down
1. Animals which eat other animals, which in turn eat the plants, are called
2. The process of breakdown of detritus into smaller particles by detritivores.
5. Rate of production of organic matter during photosynthesis.
BiologyGrade-8
Biology
Pick the odd one out.
Pick the odd one out.
BiologyGrade-8
Biology
BiologyGrade-8
Biology
The image given below is a ___________.
The image given below is a ___________.
BiologyGrade-8
Biology
Which among the following human activities doesn’t affect resilience?
Which among the following human activities doesn’t affect resilience?
BiologyGrade-8
Biology
Identify the correct order of the simplified grazing trophic chain.
Identify the correct order of the simplified grazing trophic chain.
BiologyGrade-8
Biology
Pick the odd one out:
Pick the odd one out:
BiologyGrade-8
Biology
Find out the nutrient cycle.
Find out the nutrient cycle.
BiologyGrade-8
Biology
The chemical composition of detritus and climatic factors controls the rate of decomposition.
The chemical composition of detritus and climatic factors controls the rate of decomposition.
BiologyGrade-8
Biology
Match the following
Match the following
BiologyGrade-8
Biology
Which among the following factors doesn’t affect resilience?
Which among the following factors doesn’t affect resilience?
BiologyGrade-8
Biology
__________ is the stability and capability of ecosystem for tolerating disturbance and restoring itself.
__________ is the stability and capability of ecosystem for tolerating disturbance and restoring itself.
BiologyGrade-8
Biology
__________ is the number of nutrients present in the soil at any given time.
__________ is the number of nutrients present in the soil at any given time.
BiologyGrade-8
