Q6. Distinguish between the following:-
(a) Biotic & Abiotic resources
(b) Renewable & Non-Renewable resources
(c) Natural &Human resources
(d) Potential resource & Reserve.
Answers
Answer:
so here is your Ans
Explanation:
Crop plants are subjected to various biotic and abiotic stresses. Both root-knot nematodes (biotic stress) and water deficiency (abiotic stress) lead to similar drought symptoms in the plant canopy. In this work, hyperspectral imaging was used for early detection of nematode infestation and water deficiency (drought) stress in tomato plants. Hyperspectral data in the range from 400 to 2500 nm of plants subjected to different watering regimes and nematode infestation levels were analysed by partial least squares – discriminant analysis (PLS-DA) and partial least squares – support vector machine (PLS-SVM) classification. PLS-SVM classification achieved up to 100% accuracy differentiating between well-watered and water-deficient plants, and between 90 and 100% when identifying nematode-infested plants. Grouping the data according to the time of imaging increased the accuracy of classification. Shortwave infrared spectral regions associated with the OH and CH stretches were most relevant for the identification of nematode infested plants and severity of infestation. This study demonstrates the capability of hyperspectral imaging to identify and discriminate between biotic and abiotic plant stresses
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Q.6 Distinguish between the following:-
ANSWER IS
a)Difference Between Abiotic and Biotic Factors. The primary difference between both is that abiotic factors include those components of the ecosystem which are non-living part of any habitat. On the other hand, biotic factors include living components of the ecosystem.
b)Nonrenewable energy resources, like coal, nuclear, oil, and natural gas, are available in limited supplies. This is usually due to the long time it takes for them to be replenished. Renewable resources are replenished naturally and over relatively short periods of time.
c)human resources is people and people who are skilled and trained to do the job. natural resources are the one you get from nature. like water, sunshine, minerals, oil, plants and their extracts etc..
d)Potential resources are the resources that have been identified but are not yet used due to the lack of availability of technology. The government do not have plans to use them them in near future, but if needed they can be developed and utilised.
These are resources whose total quantity is not known.
They are not being used at present.
As technology improves their use in future is possible.
Uranium found in Ladakh is an example of potential resources.
Reserves are the resources which have been identified and are entirely reserved for present and future use.
These are resources whose total quantity is known.
They are being used at the present time.
Available technology is used to use these resources.
Rich deposits of coal in Rubr region of Germany is an example of actual resources.
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