1. Which of the following disease(s) of basmati rice is/are caused due to deficiency of zinc?
- Bacterial leaf blight disease
- Bblast disease
- Khaira disease
Select the correct option from the codes given below:
[A] Only 1
[B] Only 3
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: B [Only 3]
Notes:
Bacterial leaf blight is caused by the bacterium Xanthomonas oryzae, and blast disease is caused by the fungus Magnaporthe oryzae. Only Khaira disease in basmati rice is caused due to the deficiency of zinc, manifesting as leaf chlorosis and affecting yield. Thus, only option 3 is correct.
2. With respect to the beaches, kovalam, shivrajpur, padubidri, thundi, which of the following statements is correct?
[A] All the four beaches are located on the eastern coast
[B] All the four beaches are located on the western coast
[C] All the four beaches are located in the union territory Lakshadweep
[D] All the four beaches are the blue flag certified beaches
Show Answer
Correct Answer: D [All the four beaches are the blue flag certified beaches]
Notes:- International eco-label “Blue Flag”, has been accorded to two new beaches – Minicoy Thundi Beach and Kadmat Beach- both in Lakshadweep. This takes the number of beaches certified under the Blue Flag certification to twelve (12).
- The other Indian beaches in the blue list are Shivrajpur-Gujarat, Ghoghla-Diu, Kasarkod and Padubidri-Karnataka, Kappad-Kerala, Rushikonda- Andhra Pradesh, Golden-Odisha, Radhanagar- Andaman and Nicobar, Kovalam in Tamil Nadu and Eden in Puducherry beaches.
3. Which of the following terms best explains, ‘a system of agricultural management that helps the land store more carbon and reduce the amount of Greenhouse Gases (GHGs) that it releases into the atmosphere’?
[A] Carbon credit
[B] Carbon footprint
[C] Carbon farming
[D] Carbon hybridization
Show Answer
Correct Answer: C [Carbon farming]
Notes:- Carbon farming (also known as carbon sequestration) is a system of agricultural management that helps the land store more carbon and reduce the amount of Greenhouse Gases (GHGs) that it releases into the atmosphere.
- It involves practices that are known to improve the rate at which CO2is removed from the atmosphere and converted to plant material and soil organic matter.
- Carbon farming is successful when carbon gains resulting from enhanced land management or conservation practices exceed carbon losses.
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