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The critical reasoning question is based on a short argument, a set of statements, or a plan of action. For each question, select the best answer of the choices given and explain why the chosen answer is the right fit. Passage: According to a study salamanders prey consists of leaf-eating insects that feed on fallen leaves and convert the carbon present in the leaves into methane which is released in the atmosphere. And if there are not enough insects left to eat the fallen leaves, the leaves remain intact and are transformed into humus. Statements: (A)Larger presence of salamander will lead to the production of a larger amount of humus. (B)All insects only eat leaves and nothing else. (C)Soil rich in humus is good. Question: Which of the above three statements could be inferred from the passage?
Which among the following options is correct with respect to the factors affecting the formation of soil? 1. Flora, fauna, and micro-organisms affect the rate of humus formation. 2. Parent rocks determine the texture and permeability of soil.
Which of the following most affect the rate of humus formation in the soil? 1. Flora, fauna and microorganisms 2. Characteristics of parent rock 3. Slope of soil 4. Minerals in the soil Which of the following statements given above is/are correct?
_________ affect the rate of humus formation of soil.
Which of the statements given are correct about the soils of India :
1. High temperature during most of the year retards formation of humus
2. Soils which have humus require regular application of chemical fertilizers to remove nitrogen deficiency
3. Titanium salts in basalt impart black, colour to the soils of the Indian plateau
4. Red soils are confined to the peripheral areas of the Indian plateau
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?
________ influences the rate of weathering and humus in soil formation.
Which of the following statements are true/false?
1. A minimum rate of wages for the time spent by employees for the production of output is minimum time rate.
2. Minimum piece rate is the rate based on the quantity of the output employees have produced.
3. The guaranteed time rate is a minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis.
4. A minimum rate of remuneration to apply in the case of employees employed on piece work for the purpose of securing to such employees a minimum rate of wages on a time work basis is overtime rate.
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