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Echo: If we shout or clap near a suitable reflecting object such as a tall building or a mountain, we will hear the same sound again a little later. This sound which we hear is called an echo. Echoes are heard due to the phenomenon of Reflection of sound waves. To hear the echo clearly, the reflecting object must be more than 17.2 m from the sound source for the echo to be heard by a person standing at the source.
Nitrogen supplied by 400 kg of DAP is
Meloidogyne incognita which causes stunting of gladiolus plants and their yellowing is:
A non-heritable, environmental phenotype that is analogous to a genotype-determined phenotype in another person is termed as……………
...Which of the following spectrum range is called photosynthetically active radiation?
Which process leads to the accumulation of silica in soil?
To reduce exposure to uncertain crop yields and price volatility, a farmer often engages in:
Converting groundnut into oil creates
Gene for Gene hypothesis was given by
What is repo rate?
When was Food Safety and Standards Authority of India (FSSAI) established?
