Question
Which one of the following crops enriches nitrogen
content in the soil?Solution
Many legumes (alfalfa, clover, peas, beans, lentils, soybeans, peanuts and others) contain symbiotic bacteria called Rhizobia within root nodules of their root systems. These bacteria have the special ability of fixing nitrogen from atmospheric, molecular nitrogen (N₂ ) into ammonia (NH₃ ).
Father of green revolution in IndiaÂ
The stage of mitosis during which the chromosomes line up along the equator of the cell is called:
A plant with somatic chromosome number of 2n + 3 (AA BB CCCCC) is known as:
Lactose sugar of milk is converted into Lactic acid by
Practice of cross plowing in rice at 4-6 weeks after sowing is known as
Which enzyme produced by nitrogen-fixing bacteria is responsible for converting atmospheric nitrogen into ammonia?
An association between organisms of two different species in which one is inhibited or destroyed and the other is unaffected is calledÂ
When an allele of one gene hides or masks the visible output, or phenotype, of another gene it is known as:
Which of the following is NOT an objective of drip irrigation?
Which of the following is not a method of group communication?