Advertisements
Advertisements
Question
Answer the following question:
Why do Green plants start evolving CO2 instead of O2, at high temperatures?
Advertisements
Solution
It is due to photorespiration. The green cells in the presence of light, take-up oxygen and produce CO2, without yielding any useable energy.
APPEARS IN
RELATED QUESTIONS
Discuss the role of healthy ecosystem services as a pre-requisite for a wide range of economic, environmental and aesthetic goods and services
Define the Standing crop.
Answer the following question.
Mention four significant services that a healthy forest ecosystem provides.
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?
Which of the following condition favours the dissociation of oxyhaemoglobin into oxygen and deoxyhaemoglobin?
Out of the total proposed cost of various ecosystem services, the cost of climate regulations and habitat for wildlife is ______.
Primary production is expressed in terms of ______.
Based on the table given below, identify the type of natural selection taking place.
| Size of the seeds | % of germination |
| Small | 75% |
| Medium | 15% |
| Large | 75% |
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.
