Question Discussion & Solution

The logic followed here is:-

The first two words are antonyms of each other.

'Always' is antonym of 'Never'.

Similarly,

The fourth word should be the antonym of the third word.

'Down' is antonym of 'Up'.

So, Never : Always :: Up : Down.

Hence, the correct answer is "Down".

The correct answer is citric.

• Orange juice contains citric acid due to which tastes sour.

Key Points

• Fruits that contain citric acid are called citrus fruits.
• Citrus fruits are lemon, lime, orange, Grapefruit, etc.
• The formula of citric acid is C₆H₈O₇.

Additional Information

• Oxalic acid is found in tomato.
  • Its formula is C₂H₂O₄.
• Formic acid is found in the sting of ants and bees.
  • Its formula is CH₂O₂.
• Acetic acid is found in vinegar.
  • Its formula is id CH₃COOH.

The correct answer is Ajmer.

Key Points

• The headquarter of the Rajasthan Revenue Council is located in Ajmer.
• Functions of Revenue Department:
  • All matters relating to levy and collection of Direct Taxes.
  • All matters relating to levy and collection of Indirect Taxes.
  • Investigation into economic offenses and enforcement of economic laws.
  • Levy of taxes on sales in the course of inter-state trade or commerce.

Additional Information

• Bikaner:
  • Bikaner city is the district headquarters which was founded in 1486 AD by Rao Bika, a Rajput ruler, and is the fourth largest city of the State. 
• Jaipur:
  • It is the capital of India’s Rajasthan state.
  • It evokes the royal family that once ruled the region and that, in 1727, founded what is now called the Old City, or “Pink City” for its trademark building color. ​
• Jodhpur:
  • It is a city in the Thar Desert of the northwest Indian state of Rajasthan.
  • Its 15th-century Mehrangarh Fort is a former palace that’s now a museum, displaying weapons, paintings, and elaborate royal palanquins. 
• Ajmer:
  • Ajmer is a city in the northern Indian state of Rajasthan.
  • It is situated on the lower slopes of the Taragarh Hill of that range. 
  • South of the city's artificial Ana Sagar Lake is Ajmer Sharif Dargah, the domed shrine of the Muslim Sufi saint Garib Nawaz. 

The correct answer is Rice.

• Rice blast disease, caused by Magnaporthe oryzae (Ascomycota), occurs in about 80 countries on all continents where rice is grown, in both paddy fields and upland cultivation.
• The extent of damage caused depends on environmental factors, but worldwide it is one of the most devastating cereal diseases, resulting in losses of 10–30% of the global yield of rice.
• Other common diseases of the crop of rice are - Blight, Bacterial leaf streak, Brown spot, Sheath blight, False smut, etc.

Additional Information

• The biological agents that causing diseases to plants are known as pathogens. 
• Some of the viral diseases in plants are - bud blight (soyabeans), Curly tops (Beans, tomato, etc.), Mosaic leaf (Tomato, pea, potato,tobacco, etc.).
• Some of the bacterial diseases in plants are - Blights (vegetable crops), Bacterial wilts (Tobacco, potatoes, etc), Cankers (Woody plants), Leaf Spots, Soft Wrots, etc.
• Some of the fungal diseases in the plants are - Cankers, Ergot, Rusts, Root rots, Scabs, Smuts, etc.
   

The answer is Chief Minister.

• The governor acts as the nominal head whereas the real power lies with the Chief ministers of the states and his/her councils of ministers.

Important Points

• Chief Minister:
  • In the Parliamentary system of government, Chief Minister is the real executive authority whereas the Governor is the nominal executive authority.
  • The Governor is the head of the state while the Chief Minister is the head of the government.
  • Thus the position of the Chief Minister at the state level is analogous to the position of the Prime Minister at the Centre.
  • Appointment of Chief Minister:
    • The Constitution does not contain any specific procedure for the selection and appointment of the Chief Minister.
    • Article 164 only says that the Chief Minister shall be appointed by the governor.
    • In accordance with the convections of the parliamentary system of government, the governor has to appoint the leader of the majority party in the state legislative assembly as the Chief Minister.
    • The Constitution does not require that a person must prove his majority in the legislative assembly before he is appointed as the Chief Minister.
    • A person who is not a member of the state legislature can be appointed as Chief Minister for six months, within which time, he should be elected to the state legislature, failing which he ceases to be the Chief Minister.
  • Term of the Chief Minister:
    • The term of the Chief Minister is not fixed and he holds office during the pleasure of the governor.
    • He cannot be dismissed by the governor as long as he enjoys the majority support in the legislative assembly.
  • ​Articles Related to Chief Minister at a glance:

Additional Information

• President:
  • The President is the head of the Indian State.
  • He is the first citizen of India and acts as the symbol of unity, integrity, and solidarity of the nation.
  • The President has been made only a nominal executive, the real executive being the council of ministers headed by the prime minister.

• Prime Minister:
  • In the Parliamentary system of government, Prime Minister is the real executive authority whereas the President is the nominal executive authority.
  • The President is the head of the State while Prime Minister is the head of the government.