Citrus Canker disease is caused by- (Telangana PCS GS paper 2016)

A. Virus

B. Fungi

C. Bacteria

D. Mosquito

Solution: C

Citrus Canker disease is caused by a bacterium named Xanthomonas citri. The disease originated in China. 

Other bacterial diseases in plants are- Tundu disease of wheat, wilt of potato, black arm of cotton, bacterial blight of cotton, bacterial leaf blight of rice, crown gall disease. 

Read more about Plant Diseases- Bacterial, Viral, Fungal and Deficiency Diseases.

Hence, option (C) is correct. 




Comments

Post a Comment

Popular posts from this blog

The structures of beryllium chloride in solid state and vapour phase, are :

Image
A. Chain and dimer, respectively  B. Linear in both  C. Dimer and Linear, respectively  D. Chain in both Solution: A Structure of Beryllium Chloride in solid state: In solid state,  BeCl 2  combines with another  BeCl 2  to give  Be 2 Cl 4  by forming a coordinate bond and forms chain like structure.  Structure of Beryllium Chloride in vapour state: In vapour state,  BeCl 2  exists as a single molecule having a linear structure Cl-Be-Cl and a bridged dimer.  Hence, option (A) is correct. NOTE: This question was asked in Chemistry section of NEET 2021 exam. The same question was asked in JEE Mains 2019 Exam. You can also study about Chemical Compounds, their formula and uses . 
Read more

The reserve held by commercial banks over and above the statutory minimum with the RBI are called: (OPSC OAS 2021 GS Paper 1)

A. Cash Reserve B. Deposit Reserve C. Monetary Reserve  D. Excess Reserve Solution: D Excess Reserve is the reserve held by commercial banks over and above the statutory minimum with the RBI. RBI sets the criteria for excess reserve.  Excess Reserves= Total Reserves- Required Reserves The RBI’s reserves include: 1. currency and gold revaluation account (CGRA),  2. investment revaluation account (IRA),  3. asset development fund (ADF) and  4. contingency fund (CF)  Read Daily Banking Awareness to know more about Banking Sector in India. Hence, option (D) is correct.
Read more

Which one of the following statements concerning research centres in India is not correct? (UPSC CDS II 2016 GK paper)

 A. Rajiv Gandhi Centre for Biotechnology is located at Kolkata. B. Central Arid Zone Research Institute is located at Jodhpur. C. Centre for Social Forestry and Eco-Rehabilitation is located at Allahabad. D. Institute of Forest Productivity is located at Ranchi. Solution: A Rajiv Gandhi Centre for Biotechnology is an autonomous institute of the Department of Biotechnology. It is located in Thiruvananthapuram, Kerala. Central Arid Zone Research Institute is an autonomous organisation that works under the aegis of the Department of Agricultural Research and Education. It is one of the biggest research institutes of ICAR. It is located in Jodhpur, Rajasthan. Centre for Social Forestry and Eco-Rehabilitation is located in Prayagraj, Uttar Pradesh. It aims to nurture and cultivate professional excellence in the field of social forestry and eco-rehabilitation.  Institute of Forest Productivity is a research institute under the Indian Council of Forestry Research and Education. It i...
Read more