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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 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
Humus is an example of
Which of the following example is correct about the diffusion? Example 1: The smell of food being cooked reaches us even from a considerable distance.  Example 2: The fragrance of the burning incense sticks spreads all around due to the diffusion of its smoke into the air. Example 3: The smell of perfume spreads due to the diffusion of perfume vapors into the air.
________ affect the rate of humus formation of soil.
________ influences the rate of weathering and humus in soil formation.
Black soil derived from volcanic rocks with humus is suitable for growing
The degradation of humus to release inorganic nutrients is called
The micro-organisms that convert the dead plants and animals to humus are known as:
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C, and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: It has thin organic and organic-mineral layers overlying a yellowish-brown leached layer resting on an illuvium red layer. B: They are usually poor growing soils, low in nutrients and humus, and difficult to cultivate because of its low water holding capacity. C: Red soils are generally derived from crystalline rock. D: Red soil is a type of soil that develops in a warm, temperate, moist climate under deciduous or mixed forest.