Haryana Constable Exam 31.10.2021 ( Morning Shift-I)

Total Questions: 98

21. Nipah virus spreads to humans by

Correct Answer: (2) Pigs
Solution:Nipah virus can be transmitted to humans from animals (such as bats or pigs), or contaminated foods and can also be transmitted directly from human-to- human.
  • Fruit bats of the Pteropodidae family are the natural host of Nipah virus.

22. The majou constituent among atmospheric gas is

Correct Answer: (3) Nitrogen
Solution:The two major constituent gases of the atmosphere are nitrogen and oxygen. Nitrogen comprises about 78% of the gas in the atmosphere and while oxygen is 21%.
  • By volume dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.

23. Which number will come in the place of question mark?

1,5, 17, 53, 161,?

Correct Answer: (3) 485
Solution:1 × 3 × + 2 = 5

5 × 3 + 2 = 17

17 × 3 + 2 = 53

53 × 3 + 2 = 161

161 × 3 + 2 = 485

24. RBCs in frog are

Correct Answer: (1) Nucleated
Solution:Frogs are vertebrates that belong to the class amphibia. Amphibians have nucleated red blood cells. Their nucleus contains regular genetic mate rial that is DNA as every other cell.
  • Human erythrocytes are enucleated, discoidal while in frogs erythrocytes are large, oval and biconvex nucleated cells.

25. Pankaj Advani has grabbed his World title by winning IBSF 6-Red Snooker World Cup.

Correct Answer: (3) 24th
Solution:Star Indian cuelst Pankaj Advani has grabbed his 24th World title when he triumphed at the IBSF 6-Red Snooker World Cup with a victory over Pakistan's Babar Masth in the final in Sepetember 2021.

26. Double fertilization is a rule of which plants?

Correct Answer: (3) Angiosperms
Solution:Double fertilization is a complex fertilization mechanism of flowering plants (an-giosperms).
  • This process involves the joining of a female gametophyte (megagametophyte, also called the embryosac) with two male gametes (sperm).

27. The position of how many letters in the word BRAKES remain unchanged when they are arranged in alphabetical order?

Correct Answer: (1) Two
Solution:

28. Structure of XeF₆ is

Correct Answer: (1) Distorted octahedral
Solution:In XeF₆, there are 5 bond pairs and 1 lone pair. Thus, Structure of hybridization is distorted octahedral or capped octahedral.

29. The average of 5 consecutive numbers is n. If the next two numbers are also included, the average of the 7 numbers will

Correct Answer: (4) increase by 1
Solution:Average of 5 consecutive numbers = n

According to question,

Average of 7 consecutive numbers = n+2/2 = n+1

∴ Average increase by 1.

30. _______must be refreshed continually to store information, otherwise it will lose what It is holding.

Correct Answer: (2) Dynamic Random Access Memory (DRAM)
Solution:DRAM (Dynamic Random Access Memory) is also a type of RAM which is constructed using capacitors and few transistors.
  • Dynamic RAM works like a capacitor in a way. It discharges over time. Due to this process it needs refreshed every so often to recharge a bit value of 1 before it drops too low for it to be recognized as such.