Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth There are 13 multiple choice questions.

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Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth There are 13 multiple choice questions in this exercise. Answer by clicking on one of the red letters (A, B, C, Or D). You will get a feedback to your response. Click on the button for the question. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 1. Most important role of rainfall in plant growth AA. increases photosynthesis BB. recharges water bodies CC. aids in nutrient uptake DD. increases the number of leaves

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 2. Excess rainfall damages crop growth because AA. pollination is affected BB. of water stagnation CC. grain quality deteriorates DD. favors insect pests

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 3. Information about seasonal rainfall helps in planning the farm labor requirement. AA. Not always BB. False statement CC. True statement DD. Helps large farms

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 4. To plan the cropping systems in rainfed farming, you need information about AA. Excess rainfall BB. Drought possibilities CC. Amount of rainfall DD. monsoons

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 5. High relative humidity favors AA. root development BB. flower production CC. plant diseases DD. good plant stand

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 6. High relative humidity leading to poor sun-light affects AA. sowing operations BB. photosynthesis CC. grain filling DD. Leaf surface area

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 7. Duration of sunshine controls AA. grain filling BB. plant height CC. nutrient uptake DD. flowering

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 8. Influenced by the duration of sunshine, crop flowers only when the days are long and nights are short. AA. chickpea BB. sorghum CC. groundnut DD. I am not sure

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 9. Sunlight provides to plants. AA. energy BB. heat CC. radiation DD. temperature

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 10. Which crop yields better under high temperatures? AA. Wheat BB. Chickpea CC. Pearl Millet DD. I am not sure

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 11. The growth rate of many plants _____ as the air temperature increases. AA. decreases BB. increases CC. is not affected DD. I am not sure

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 12. Heavy winds affect the plants by reducing their height. AA. False statement BB. True statement CC. Depends on sunshine DD. I am not sure

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth 13. Loss of soil moisture through evaporation is reduced by ___ winds. AA. easterly winds BB. cool CC. heavy winds DD. I am not sure

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth Thank you for completing this exercise. Now you may select Module V from Course contents.

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are partly correct. Rainfall do not directly increase photosynthesis. Recharging of water bodies also of not direct use to plants. The correct answer is: Water from rainfall helps in nutrient uptake by plants. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right. Water from rainfall helps in nutrient uptake by plants. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth Your are right. Excess rainfall damages crop growth because of water stagnation in the field. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth Your answer is not correct. Your response is right under continuous rains and not with excess rains. The correct answer is: Excess rainfall damages crop growth because of water stagnation in the field. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right. For efficient utilization of labor and for planning the farm operations like sowing etc. one need to consider the seasonal rainfall conditions. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. The correct answer is: For efficient utilization of labor and for planning the farm operations like sowing etc. one need to consider the seasonal rainfall conditions. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. You are partly correct because the amount of rainfall received is not clear from the statement to take up the sowings. The correct answer is: Soaking rain like 25 mm of rainfall a day before will be useful to take up the sowings. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right In rainfed farming, information about drought is very important to plan the cropping systems. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are partly correct. Excess rainfall may not be a regular feature in rainfed areas. The correct answer is: In rainfed farming, information about drought is very important to plan the cropping systems. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth Continue You are partly correct. Information about the amount of rainfall alone may not be sufficient to plan the cropping systems. One need the distribution of that amount of rainfall also. The correct answer is: In rainfed farming, information about drought is very important to plan the cropping systems.

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth Continue No please. The correct answer is: In rainfed farming, information about drought is very important to plan the cropping systems.

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right High relative humidity favors plant diseases. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. Relative humidity has no role on root development or flower production or plant stand. The correct answer is: High relative humidity favors plant diseases. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right High relative humidity, which lowers the intensity of solar radiation, will affect the photosynthesis. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. Sowing operations, grain filling and leaf surface area are not influenced by relative humidity. The correct answer is: High relative humidity, which lowers the intensity of solar radiation, will affect the photosynthesis. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right Duration of sunshine controls flowering of plants. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. Plant height, grain filling, nutrient uptake are not controlled by the duration of sunshine. The correct answer is: Duration of sunshine controls flowering of plants. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right Chickpea (Bengal gram) crop is grown only during winter season so that the crop can flower when the days are longer and nights become shorter. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. Sorghum is day-neutral plant that means the duration of sunshine has no influence on flowering in this crop. The correct answer is: Chickpea (Bengal gram) crop is grown only during winter season so that the crop can flower when the days are longer and nights become shorter. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth Continue No please. Groundnut is day-neutral plant that means the duration of sunshine has no influence on flowering in this crop. The correct answer is: Chickpea (Bengal gram) crop is grown only during winter season so that the crop can flower when the days are longer and nights become shorter.

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth If you are not sure, here is the answer: Chickpea (Bengal gram) crop is grown only during winter season so that the crop can flower when the days are longer and nights become shorter. Sorghum and groundnut are day-neutral plants that mean the duration of sunshine has no influence on flowering in these crops. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right Sunlight provides energy to plants through the process of photosynthesis. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. The correct answer is: Sunlight provides energy to plants through the process of photosynthesis. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right Pearl millet yield better under high temperature conditions. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. Wheat and chickpea require cool temperatures to yield better. Hence, they are grown during winter season. The correct answer is: Pearl millet yield better under high temperature conditions. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth If you are not sure, here is the answer: Pearl millet yield better under high temperature conditions. Wheat and chickpea require cool temperatures to yield better. Hence, they are grown during winter season. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right The growth rate of many plants increases as the air temperature increases. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. The correct answer is: The growth rate of many plants increases as the air temperature increases. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth Continue No please. The correct answer is: The growth rate of many plants increases as the air temperature increases.

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth If you are not sure, here is the answer: The growth rate of many plants increases as the air temperature increases. This is because many of the chemical reactions (plant processes) increase with an increase in temperature. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right Plants of reduced size are common in very windy areas. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth It is true that plants of reduced size are common in very windy areas. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth If you are not sure, here is the answer: It is true that plants of reduced size are common in very windy areas. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth You are right Cool winds reduce evaporation losses of soil moisture. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth No please. The correct answer is: Cool winds reduce evaporation losses of soil moisture. Continue

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth Continue No please. The correct answer is: Cool winds reduce evaporation losses of soil moisture.

Virtual Academy for the Semi Arid Tropics Course on Crop Weather Relationships Module IV: Weather and Plant Growth If you are not sure, here is the answer: Cool winds reduce evaporation losses of soil moisture. Continue