English
Tamil Nadu Board of Secondary EducationHSC Science Class 12

Give definitions for organic farming? - Botany

Advertisements
Advertisements

Question

Give definitions for organic farming?

Short/Brief Note
Advertisements

Solution

Organic farming is an alternative agricultural system in which plants/crops are cultivated – in natural ways by using biological inputs to maintain soil fertility and ecological balance thereby minimizing pollution and wastage.

shaalaa.com
Entrepreneurial Botany
  Is there an error in this question or solution?
Chapter 10: Economically Useful Plants and Entrepreneurial Botany - Evaluation [Page 260]

APPEARS IN

Samacheer Kalvi Botany [English] Class 12 TN Board
Chapter 10 Economically Useful Plants and Entrepreneurial Botany
Evaluation | Q 29 | Page 260
Samacheer Kalvi Biology (Botany) [English] Class 12 TN Board
Chapter 10 Economically Useful Plants and Entrepreneurial Botany
Evaluation | Q 20 | Page 202

RELATED QUESTIONS

Observe the following statements and pick out the right option from the following:

Statement I: The drug sources of Siddha include plants, animal parts, ores, and minerals.

Statement II: Minerals are used for preparing drugs with a long shelf-life.


Which of the following statement(s) is/are correct?

  1. Mushrooms are the fruiting body of edible fungi.
  2. Single-cell proteins are the dried cells of micro-organisms.
  3. Regular use of liquid seaweed fertilizer will help plants to withstand environmental stress.
  4. SCP can completely replace conventional protein sources.

Select the incorrect pair/pairs of statements about single-cell protein

  1. Chemical pesticides - Safe for human and the environment
  2. Mushrooms - White vegetable
  3. Zarrouk medium- Culture medium
  4. Seaweed - Rich in potassium

Match the following pairs about mushroom cultivation.

A. Straw size (i) 75-85%
B. Distant between blocks (ii) 20 cm
C. Capsize at harvesting (iii) 2-4 inch
D. Relative humidity (iv) 10-12 cm

Assertion: In Spirulina culture, half of the required nutrients added first and the rest in later.

Reason: If all the nutrients are added first, it will affect the culture's growth.


Define bonsai?


Write the origin and area of cultivation of green gram and red gram.


Enumerate the uses of turmeric.


What are the advantages of cultivation of aromatic plants?


How will you make a Bonsai tree?


What are psychoactive drugs? Add a note Marijuana and Opium


What are the King and Queen of spices? Explain about them and their uses.


How will you prepare an organic pesticide for your home garden with the vegetables available from your kitchen?


What will you do if you want to make a portable indoor greenery?


Give an account of the cultivation of Gloriosa superba/Cymbopogon citrates.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×