Question:
Crop rotation helps in
Crop rotation helps in
Updated On: Jun 20, 2022
- Increased soil fertility
- Decreased soil erosion
- Decreased soil fertility
- Decreased water loss
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Answer (a) Increased soil fertility
Was this answer helpful?
0
0
Top Questions on Microbes in human welfare
- Student to attempt either option (A) or (B): (A) Ravi lives in a village where he suggested to the local farmers to introduce a fungus as biofertilizer into their crop fields. State the benefits provided by the fungus to the crop.
OR
(B)- [(i)] How do secondary lymphoid organs provide immunity?
- [(ii)] Highlight the role of spleen as an organ that provides immunity.
- CBSE CLASS XII - 2025
- Biology
- Microbes in human welfare
- Assertion (A): Swiss cheese is characterized by large holes due to CO2 production.
Reason (R): It is ripened by growing a specific fungi.- CBSE CLASS XII - 2025
- Biology
- Microbes in human welfare
- Assertion (A): Swiss cheese is characterized by large holes due to CO2 production.
Reason (R): It is ripened by growing a specific fungi.- CBSE CLASS XII - 2025
- Biology
- Microbes in human welfare
- Large scale industrial production of streptokinase for human welfare is done using the microbe:
- CBSE CLASS XII - 2025
- Biology
- Microbes in human welfare
- Bottled fruit juices are clearer as compared to those made at home, as they are clarified by the use of:
- CBSE CLASS XII - 2025
- Biology
- Microbes in human welfare
View More Questions
Questions Asked in BHU UET exam
- Excitation of chlorophyll in light is
- BHU UET - 2012
- Photosynthesis in higher plants
- Triticale, the first man made cereal crop, has been obtained by crossing wheat with
- BHU UET - 2012
- Strategies For Enhancement in Food Production
- Bryophytes are known as amphibians of plant kingdom because
- BHU UET - 2012
- Kingdom Plant
- In Cycas, dehiscence of microsporangium occurs when pollen grains are at
- BHU UET - 2012
- Kingdom Plant
- Potato spindle tuber disease is caused by
- BHU UET - 2012
- biological classification
View More Questions
Concepts Used:
Microbes in Human Welfare
There are several valuable microorganisms that are beneficial to humans in various manners such as:
In Household Products
- Fermentation of milk to produce yogurt.
- Milk cuddling to compose curd, cheese, and paneer.
In Industrial Products
- Production of beverages such as wine, beer, whiskey, brandy, or rum.
- Production of antibiotics such as Penicillin and other chemical substances to kill or retard the expansion of disease-causing microbes.
Fermented Beverages
- A fermentor is used to produce microbes on a large scale for industrial purposes.
- The brewer’s yeast (Saccharomyces cerevisiae) is used to make ethanol. At this time, the yeast ferments malted cereals and fruit juices.
Antibiotics
- The term antibiotic means “against life”. These materials can kill or destroy the growth of other microbes.