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Insectivorous plants grow on soil which is deficient in 
The soil in which insectivorous plants grow in deficient in
Which of the following sentence is/are correct about crop rotation? 1. Crop rotation helps return nutrients to the soil without synthetic inputs. 2. Crop rotation is the pratice of planting different crop sequentially on the same plot of land to improve soil health. 3. Crop rotation deteriorates the soil structure as same nutrients are used time and time again.
P, Q, R, Sand T are five crops that Babu grows. T is fast growing and more water demanding than R which gives more yield than T. P gives more yield than R and grows faster than Q. Q is more water demanding than T but is second lowest yielder, S is the slowest growing and least water demanding of all crops but gives highest yield. R is more water demanding and grows faster than P. Select the crop or crops that has/ have as many as crops that are more water demanding and as many as crops that give less yield than it. 
Which of the following statements regarding soil is/are correct? 1. Alluvial soils are rich in nitrogen content. 2. Black soils are rich in iron and lime but deficient in nitrogen. 3. Laterite soils are rich in iron and aluminium but deficient in nitrogen and potassium. Select the correct answer using the code given below.
Which of the following statements regarding soil is/are correct? 1.Alluvial soils are rich in nitrogen content. 2.Black soils are rich in iron and lime but deficient in nitrogen. 3.Laterite soils are rich in iron and aluminium but deficient in nitrogen and potassium. Select the correct answer using the code given below.
Consider the following statements: 1. When a soil sample is dried beyond its shrinkage limit, the volume of the soil slowly decrease 2. The plastic limit is always lower than the liquid limit for any type of soil 3. At the liquid limit, the soil behaves like a liquid and possesses no shear strength at all 4. When subjected to drying, the volume of the soil remains unchanged once the water content of the soil goes below its shrinkage limit Which of the above statements are correct? 
Consider the following statements and choose the correct answer:
1. Average density of soil is 2.65 gms. per ml.
2. The spaces present between soil particles in a given volume of soil are called pore spaces
3. Porosity of the soil decreases with the increase in the percentage of organic matter in the soil
4. Macro-pore spaces have little water holding capacity and allow free movement of moisture and air in the soil under normal condition
Consider the following statements about adding organic manures to the soil A. They make the soil rigid so as to hold the plants firmly. B. They add inorganic matter to the soil which is considered very rich in plant nutrient. C. They improve the texture of the soil. D. They enhance the water holding capacity of the soil. The correct statements are:
A teacher is trying to introduce her class VII students to different kinds of soil. She begins by introducing the names of three kinds of soil i.e. sandy soils, clayey soil and loamy soil. She explains the properties of each soil in term of its particulate nature. She then demonstrates one sample of each kind of soil and shows the students the difference in percolation rate of an examples. How would you evaluate this approach from an inquiry oriented perspective?