High water uptake and allelopathic effects of Eucalyptus can negatively impact local ecosystems.
Which one of the following trees is considered to be an environmental hazard?
Asked in UPPCS Prelims 2005 · Topic: Ecology (Ecological Principles: Carrying Capacity, Limiting Factors)
More Environment and Ecology questions
- Which one of the following is the main cause of the ecological imbalance in India:
- Overgrazing causes ______
- What is the best pH of the soil for cultivation of plants?
- With reference to 'Carrying Capacity of Environment', which of the following statements is/ are correct? 1. The rate of resource extraction should remain above the rate of resource generation. 2. Generation of waste should remain within the absorption capacity of environment. Select the correct answer from the code given below : Code :
- Match List-I with List-II and select the correct answer by using the code given below - List-I (Stages of IPM) A. Avoid B. Block C. Detect D. Respond Code - (1) A-IV, B-II, C-III, D-I (2) A-III, B-IV, C-II, D-I (3) A-IV, B-I, C-II, D-III (4) A-IV, B-III, C-II, D-I (5) Question not attempted List-II (Activities) I. Fumigation II. Inspect III. Isolate IV. Improve sanitation
- The maximum numbers of individuals that can be sustained in a given environment, is termed :
- Consider the following statements related to ecological farming: 1) The basic principle of ecological farming system is - to take production from nature to its capacity. 2) Make minimum interference in the natural activity of nature. 3) Compensate the exhausted nutrients of land with the natural nutrients of nature. Which of the above mentioned statements is / are correct?
- During a hot sunny day people feel cool in the shadow under a big tree (a) because the tree blocks direct sunlight. (b) because heat from the air is used in evaporation of water by tree leaves reducing the temperature. (c) because photosynthesis by tree leaves absorbs energy from sunlight. (d) because tree leaves absorb water vapour from air which is an endothermic process. The correct answer is
