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

As per NCRB report titled "Accidental Deaths and Suicides in India", which of the following segment of society recorded maximum number of suicides in 2021?

A. Daily Wage Earners B. Self-employed persons C. Farmers D. Housewives Solution: A NCRB released the report titled "Accidental Deaths and Suicides in India". As per the report, maximum deaths due to suicide were reported in daily wage earners. However, the highest increase in number of deaths by suicides has been reported in self-employed persons.  10,881 suicides were recorded in the "Persons engaged in the farming sector" group in 2021, including 5,318 under "farmer/cultivator" and 5,563 under "agricultural labourers". Hence, option (A) is correct. 
Read more

A periscope makes use of two -

A. Plane Mirrors B. Convex Mirrors C. Concave Mirrors D. Spherical Mirrors Solution: A A periscope is an instrument used to see over, around, or through an object that prevents direct line of sight observation from the observer's position. It makes use of two plane mirrors placed parallel to each other at an angle of 45 ° . A periscope can be used in submarines, tanks and by soldiers in bunkers to see things outside.  Hence, option (A) is correct. Read Class 8 NCERT Notes on Light .
Read more

Which of the following methods is followed in electing the President of India?

A. Proportional Representation only B. First-past-the-Post System only C. Proportional Representation and Single Transfer Vote System D. Proportional Representation and First-past-the-Post System Solution: C The election of the President in India is described in Article 54 of the Constitution. The President of India is elected indirectly through Proportional Representation and Single Transfer Vote System. Recently, Draupadi Murmu became India's 15th President. Under Article 60, the President of India takes the oath before entering his office. The Chief Justice of India administers the oath of office to the President. The President's term of office is five years, starting from the day he takes office. Hence, (c) is the correct answer. Watch video explanation on election of President of India . 
Read more