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2 804
Biodiversity forms the basis for human existence in the following ways:
1. Soil formation 2. Prevention of soil erosion 3. Recycling of waste 4. Pollination of crops (choose the correct option)
2 804
Consider the following:
1. Photosynthesis 2. Respiration 3. Decay of organic matter 4. Volcani action
Which of the above add carbon dioxide to the carbon cycle on earth?
2 804
Deficiency of which of the following elements is responsible for weakening of bones?
1. Calcium 2. Phosphorus 3. Nitrogen 4. Carbon
2 804
Consider the following:
1. Photosynthesis. 2. Respiration. 3. Decay of organic matter 4. Volcani action.
Which of the above add carbon dioxide to the carbon cycle on earth?
2 804
The vitamin(s) which is/are generally excreted in urine, is/are:
2 804
खालीलपैकी कोणत्या पदार्थाची विशिष्ट उष्माधारकता ही सर्वाधिक आहे?
