Question Discussion & Solution

India has three distinct crop seasons in the northern and interior parts of the country, namely Kharif, Rabi, and Zaid.

Important Points

Lets' look at the cropping season of India:

• The Kharif season (June-September) largely coincides with Southwest Monsoon under which the cultivation of tropical crops are possible.
  • Major Crops- Rice, Cotton, Jute, Jowar, Bajra, and Tur.
• The Rabi season (October-March) has low-temperature conditions which help in the cultivation of temperate and subtropical crops.
  • Major Crops- Wheat, Gram, and Mustard.
• The Zaid season (April-June) is a short duration summer cropping season beginning after harvesting Rabi crops.
  • Major Crops- Watermelons, Cucumbers, Vegetables, and Fodder Crops.

From the above, we can conclude that Wheat is not a Kharif crop as it is grown in the Rabi season.

The correct answer is 20 August, 1949

Key Points

• Rajasthan Public Service Commission was established on 20 August 1949.
• At the time of formation of Rajasthan, the institution of Public Service Commission existed in only three of the 22 covenanting states viz. Jaipur, Jodhpur and Bikaner.
• The successor administration after the merger of the princely states promulgated an ordinance on 16th August, 1949 establishing the Rajasthan Public Service Commission Ajmer which was published in Rajasthan Gazette at 20th August, 1949.
• Rajasthan Public Service Commission came into effect on 22 December, 1949.

Additional Information

• Rajasthan Board of Secondary education was set up on 4 December, 1967.
• Union Public Service Commission was set up on 1 October, 1926.
• Staff Selection Commission was set up on 4 November, 1975.

Concept:

An array is a data structure that contains a group of elements. These elements are all of the same data type, such as an integer.

To access element from an array subscript(index) and array name is required

Explanation:

Array name: A

To access 3^rd element in an array A[2] or 2[A] is used.  Therefore Both A[2] and 2[A] represent the value 3

Important point:

A[0] represent the value 1^st element

The correct answer is the save as.

• Using the F12 key in MS Word, Save as dialogue box opens​.

​Key Points

• F12 key used with other keys in MS word:​.
  • Ctrl+F12 
    • ​Opens a document in Word.
  • Shift+F12 
    • Saves the Microsoft Word document (like Ctrl+S).
  • Ctrl+Shift+F12
    • Prints a document in Microsoft Word.

Additional Information

• Keys for performing a mail merge
  • Preview a mail merge
    • ​ALT + SHIFT + K
  • ​Merge a document
    • ​ALT + SHIFT + N
• ​Insert Table
  • ​To open the Insert tab to insert tables, pictures, and shapes, headers, or text boxes.
    • Alt+N
• Insert Picture
  • ​The shortcut key to import a picture is Ctri+G

Concept-

• Roots are the underground structures that help in the absorption of water and minerals, provide a proper anchorage to the plant parts, storage of reserve food material (Carrot, Radish), and synthesis of PGR (plant growth regulators).
• Sometimes roots get modified to perform different functions like Storage of food, respiration, climbing, etc.
• These types of roots are called modified roots.

Explanation-

• The Coralloid roots are the specialized roots found in cycas, these roots exhibit a symbiotic relationship between the cyanobacteria and cycas where the cyanobacteria fix the nitrogen and in return, the cycas provide a stable environment to live.
• Cycas, a genus of 105 species of palmlike tropical and subtropical ornamental cycads (family Cycadaceae), among them trees 12 meters (40 feet) or more in height. 
• Their leaves are dark green and circinate (uncoiling as fern leaves do), differing from those of other members of the family in having a midrib but no lateral veins. 
• The seeds are borne along the margins of modified leaves, which are arranged in a whorl at the top of the trunk, rather than in compact cones. 

Thereby coralloid roots are found in cycas.

Additional Information

• Lycopodiopsida
  • It is a class of herbaceous vascular plants known as lycopods, lycophytes.
  • Members of the class are called clubmosses, firmosses, and quillworts.
• Pine
  • A pine is any conifer in the genus Pinus of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.
• Dryopteris
  • It is commonly called the wood ferns, male ferns, or buckler ferns is a fern genus in the family Dryopteridaceae.​