The greatest threat to genetic diversity in agricultural crops is
The greatest threat to genetic diversity in agricultural crops is
- A
Extensive use of insecticides and pesticides
- B
Extensive mixed cropping
- C
Introduction of high yielding varieties
- D
Extensive use of fertilizers
Similar Questions
Which one of the following is not included under insitu conservation?
Which one of the following is not included under insitu conservation?
- [AIPMT 2006]
Which one of the following is an example of ex situ conservation?
Which one of the following is an example of ex situ conservation?
Which one of the following pairs of geographical areas show maximum biodiversity in our country ?
Which one of the following pairs of geographical areas show maximum biodiversity in our country ?
- [AIIMS 2008]
Which of these is an in situ method of conservation?
Which of these is an in situ method of conservation?
Initially ...$A$... biodiversity hot spots were identified but subsequently nine more have been added to the list, bringing the total number of biodiversity hot spot in the world to $\ldots$...$B$... These hot spots are the regions of accelerated habitat loss. Three of these hot spots-Western ghats and Sri Lanka, Indo-Burma and Himalaya, covers our country's, exceptionally high biodiversity regions
Although all the biodiversity hot spots put together covers less than ...$C$... $\%$ of the earth's land area, the number of species they collectively harbour is extremely high and the strict protection of these hot spots could reduce the ongoing mass extinctions by almost ..$D$... $\%, A, B, C$ and $D$ in the paragraph refers to
Initially ...$A$... biodiversity hot spots were identified but subsequently nine more have been added to the list, bringing the total number of biodiversity hot spot in the world to $\ldots$...$B$... These hot spots are the regions of accelerated habitat loss. Three of these hot spots-Western ghats and Sri Lanka, Indo-Burma and Himalaya, covers our country's, exceptionally high biodiversity regions
Although all the biodiversity hot spots put together covers less than ...$C$... $\%$ of the earth's land area, the number of species they collectively harbour is extremely high and the strict protection of these hot spots could reduce the ongoing mass extinctions by almost ..$D$... $\%, A, B, C$ and $D$ in the paragraph refers to