Question Discussion & Solution

The correct answer is four.

Key Points

• Crocodiles have four-chamber hearts. All reptiles have incomplete four-chamber hearts except Crocodiles.

Additional Information

• Endotherm or Homeotherm have well developed four-chamber heart. Examples:- Birds and mammals. 
  • They can maintain constant body temperature.
• Poikilotherm or Ectotherm do not have a well-developed heart, so they can not maintain constant body temperature. Examples:- Amphibians and reptiles.
• Fishes have a two-chamber heart.
• Amphibians have three-chamber heart.
• The cockroach has thirteen chamber hearts.

The correct answer is ​CTRL + Z.

• CTRL + Z is used to undo changes (UNDO) in Ms-Word.

​Key Points

• CTRL + Z
  • To reverse the last action done by can be regained using CTRL+Z shortcut.
  • We can reverse more than one action using this shortcut tool.

Additional Information

• CTRL + Y
  • The keyboard shortcut for Redo is CTRL-Y.
• ​​Ctrl+N
  • ​​Ctrl+N is a keyboard shortcut most often used to create a new document, window, workbook, or other types of file.
• CTRL + H
  • Ctrl+H is a keyboard shortcut whose function varies depending on the program.
  • For example, with text editors, Ctrl+H is used to find and replace a character, word, or phrase.
  • In an Internet browser, Ctrl+H opens the history tool.

The correct answer is Local Area Network.

• A Local Area Network (LAN) is a collection of devices connected together in one physical location, such as a building, office, or home.
• A LAN can be small or large, ranging from a home network with one user to an enterprise network with thousands of users.
• A LAN single defining characteristic is that it connects devices that are in a single, limited area.

Additional Information

• In contrast, a Wide Area Network (WAN) or Metropolitan Area Network (MAN) covers a larger geographical area.
• Some WANs and MANs connect many LANs together.
• Ethernet and Wi-fi are the two most common technologies in use for local area networks. Historical network technologies include ARCNET, Token ring, and Appletalk.

The correct answer is Barium.

Key Points

• Metal salts commonly used in firework displays include calcium chloride, sodium nitrate, barium chloride, copper chloride, etc.
• The green flame produced in fireworks is due to the presence of Barium.
• The blue flame is due to the presence of Copper.
• The orange flame is due to the presence of Calcium.
• A yellow flame is due to the presence of Sodium.
• Lithium is used to impart a red colour to fireworks.

Additional Information

• Barium (Ba):
  • The atomic number is 56.
  • It is mostly used in drilling fluids for oil and gas wells and also used in paints and glassmaking.
  • It is found in combination with other elements.
  • Barite is one of the major ores of Barium.
• Calcium (Ca):
  • The atomic number is 20.
  • Calcium provides strength to bones and teeth along with vitamins.
  • It also plays an important role in blood formation, muscle contraction, clotting of blood, etc.
  • Milk, eggs, fish, etc. are the main sources of calcium.
• Lithium (Li):
  • Atomic Number is 3.
  • Lithium is the lightest metal on the periodic table.
  • It is widely used in rechargeable batteries for mobile phones, laptops, digital cameras, etc.
• Chromium (Cr):
  • The atomic number is 24.
  • It is used in manufacturing stainless steel.
  • Chromite is the major ore of Chromium.
  • It is a blue-white hard, brittle, and very corrosion-resistant metal and is used to produce several alloys.

The correct answer is Teja Ji.

• Tejaji got injured in Sursura village to save the cows of Lachha Gurjari and died due to a snake bite.
  • The snake is worshiped as the protector deity.
  • Tejaji is called the deity of 'Kala Bala'.

Key Points

• Teja Ji:
  • He was born in 1074 AD in Kharnal, Nagaur.
  • His father's name was Tahad.
  • His mother's name was Raj Kunwari.
  • His wife's name was Pamel de.
  • He is also known as snake's god/ Kala-Bala's god/ dholya veer.
  • His horse's name was leelan (singari).
  • Tejaji’s major Thaan is located at Sursura, Beawar, Saindaria & Bhanwata in the Ajmer district.
  • His song is tejater.
  • His favourite devotee is known as ghodla.
  • Parbatsar, Nagaur cattle fair is organized from Bhadra Shukla Dashmi to Poornima.

Additional Information

• Ramdev Ji-
  • He was contemporary to Mallinath Ji.
  • He killed demon Bhairav in his childhood.
  • He is also known as Communal harmony's folk god/ Peer's peer/ Runecha ra Dhani/ Ramsapeer.
  • His temple is situated in Runecha, Jaisalmer
• Pabu Ji-
  • He is known as camels god/ plague protector god/ incarnate of Laxman Ji.
  • He is the adorable god of the Raika/ Raibari caste.
  • His temple is situated in kolumand, Jodhpur.
• Goga Ji-
  • He is also known as Jaharpeer.
  • Sheershmedi is related to him, where his Head Fall after his death.
    • It is situated in Dadreva, Churu.
  • Gogamedi is also known as Dhurmedi.
    • It is situated in Nohar, Hanumangarh.