मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

A farmer harvests his crop and expresses his harvest in three different ways. I have harvested 10 quintals of wheat. I have harvested 10 quintals of wheat today in one acre of land.

Advertisements
Advertisements

प्रश्न

A farmer harvests his crop and expresses his harvest in three different ways.

  1. I have harvested 10 quintals of wheat.
  2. I have harvested 10 quintals of wheat today in one acre of land.
  3. I have harvested 10 quintals of wheat in one acre of land, 6 months after sowing.

Do the above statements mean one and the same thing. If your answer is yes, give reasons. And if your answer is ‘no’ explain the meaning of each expression.

दीर्घउत्तर
Advertisements

उत्तर

No, the meaning of above statements is different

  1. In this statement, farmer gives information of only the quantity of the wheat but the area and time period is not given.
  2. In this statement, farmer gives information about primary production that is quantity and area but not the time period.
  3. In this statement, farmer gives information of primary productivity that is quantity, area and time period all are given.
shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 14: Ecosystem - LONG ANSWER [पृष्ठ १०४]

APPEARS IN

एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 14 Ecosystem
LONG ANSWER | Q 1. | पृष्ठ १०४

संबंधित प्रश्‍न

Define decomposition.


What is leaching?


Name the type of detritus that decomposes faster. List any two factors that enhance the rate of decomposition.


The process of mineralization by microorganisms helps in the release of ______.


What could be the reason for the faster rate of decomposition in the tropics?


Observe the contents 1, 2, 3 and 4 of soil samples A, B and C shown in the graph. If the temperature and soil moisture of all soil samples are identical, which soil sample (s) will show faster decomposition?

1 indicates lignin content, 2 indicates chitin, 3 indicates nitrogen content, and 4 indicates sugar content


Identify the correct statements:

  1. Detrivores perform fragmentation.
  2. The humus is further degraded by some microbes during mineralization.
  3. Water soluble inorganic nutrients go down into the soil and get precipitated by a process called leaching.
  4. The detritus food chain begins with living organisms.
  5. Earthworms break down detritus into smaller particles by a process called catabolism.

Choose the correct answer from the option given below:


What is catabolism in the context of decomposition?


What is the primary distinction between fragmentation and catabolism?


Which organisms are primarily responsible for fragmentation in the decomposition process?


Which of the following correctly lists the five steps of decomposition in order?


Which of the following conditions inhibits decomposition?


Which climatic condition most strongly favours decomposition?


How does the presence of water-soluble substances like simple sugars and proteins affect decomposition?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×