Question:

Which set is similar 

Updated On: Oct 19, 2023

  • Corpus luteum – graffian follicles

  • Sebum-sweat

  • Bundle of his – Pace macker

  • Vita B7 - Niacin 

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The Correct Option is B

Solution and Explanation

Sebum and sweat are both related to the production of skin secretions. Sebum is an oily substance produced by the sebaceous glands in the skin, while sweat is a watery secretion produced by sweat glands. Both play roles in maintaining skin health and temperature regulation. The other options in the list do not represent similar pairs.
So, the correct option is (B): Sebum-sweat
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Bio-fertilizers

Bio-fertilizers are natural substances that contain living microorganisms, such as bacteria, fungi, and algae, which are capable of enhancing the growth and productivity of plants. Bio-fertilizers work by fixing nitrogen from the atmosphere, producing plant growth hormones, and increasing the availability of nutrients in the soil.

One of the most commonly used bio-fertilizers is rhizobium, which is a type of bacteria that forms a symbiotic relationship with legumes, such as beans and peas. Rhizobium bacteria colonize the root nodules of legumes, converting atmospheric nitrogen into a form that can be used by the plant. This process of nitrogen fixation reduces the need for synthetic fertilizers, which can have negative environmental impacts.

Another type of bio-fertilizer is mycorrhizae, which are symbiotic associations between fungi and plant roots. Mycorrhizal fungi can increase the surface area of the plant roots, improving the plant's ability to absorb nutrients and water from the soil.

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Bio-fertilizers are considered to be eco-friendly alternatives to synthetic fertilizers because they are derived from natural sources and do not contain harmful chemicals that can pollute the environment. In addition, the use of bio-fertilizers can improve soil fertility, reduce soil erosion, and increase crop yields.

However, the effectiveness of bio-fertilizers can be influenced by factors such as soil type, temperature, and moisture levels. Proper management and application techniques are necessary to ensure that bio-fertilizers are used effectively. Overall, the use of bio-fertilizers is an important strategy for sustainable agriculture, and continued research is needed to improve their effectiveness and ensure their widespread adoption.