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प्रश्न
Mention any 'two' ecological services forthe benefit of mankind
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उत्तर
Ecological services for the benefit of mankind are CO2 fixation and release of oxygen.
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संबंधित प्रश्न
After a fire in a forest, the pioneer stage during secondary succession is ______.
Which of the following enzymes helps in fixing CO2 into malic acid in sorghum plant?
Seed dispersal in squirting cucumber occurs via ______.
Which of the following is NOT included in ecosystem services?
Out of the total proposed cost of various ecosystem services, the cost of climate regulations and habitat for wildlife is ______.
Classify the following to form Column B as per the category given in Column A:
(Nature trails, Pollination, Sea food, Carbon sequestration, Animal therapy, Pest control, Health care, Nutrient cycling.)
| Column A | ColumnB | |
| (1) | Supporting services | ______ |
| (2) | Provisioning services | ______ |
| (3) | Regulating services | ______ |
| (4) | Cultural services | ______ |
Primary production is expressed in terms of ______.
Given below are the features of Seed A and Seed B. Study them carefully and answer the question that follows.
| SEED A | Papery endosperm, swollen cotyledon, perisperm develops from nucellus, suspensor, haustoria substitute endosperm. |
| SEED B | Swollen endosperm, papery cotyledons or absent, perisperm does not develop from nucellus, suspensor and haustoria do not substitute endosperm. |
Identify the type of Seed A and Seed B. Cite one example of each of Seed A and Seed B.
Which bacterium provides the vital enzyme Taq polymerase used in Polymerase Chain Reaction (PCR)?
What is a major threat to ecosystem services according to the provided material?
