Haryana Constable Exam (31.10.2021-Shift II)

Total Questions: 100

21. Five boys took part in a race. Ram finished before Mohan but behind Gopal. Vijay finished before Sailesh but behind Mohan. Who won the race?

Correct Answer: (2) Gopal
Solution:Gopal > Ram > Mohan > Mohan > Vijay > Shatlesh > Gopal > Ram > Mohan > Vijay > Shailesh

22. Which of the following is not a secondary storage device?

Correct Answer: (4) Register
Solution:Secondary storage is a memory that is stored external to the computer. It is mainly used for the permanent and long term storage of programs and data. Hard Disk, CD, DVD. Pen/Flash drive, tape drives. SSD, etc, are examples of secondary storage.
  • A register is a temporary storage area built into a CPU.

23. ________means a system of a secure key pair consisting of a private key for creating a digital signature and a public key to verify the digital signature.

Correct Answer: (2) Asymmetric Crypto System
Solution:Asymmetric crypto system means a system of a secure key pair consisting of a private key for creating a digital signature and a public key to verify the digital signature.
  • Asymmetric cryptosystems are widely deployed, especially in environments where parties initially are not in a convenient position to share secrets with one another.

24. A dice is thrown 3 times and its 3 positions are given.

Which symbol is opposite to '!'?

Correct Answer: (1) $
Solution:The symbols $, @, θ and ! are on the faces adjacent to the symbol #. Therefore, the symbol Φ is on the face opposite to the symbol #.

The symbol & lies opposite the symbol!.

25. Who among the following is considered as the Father of Ecology in India?

Correct Answer: (3) Ramdeo Misra
Solution:For laying the foundation as well as strengthening the development of ecology in India. Ramdeo Mishra is considered as the father of ecology in India.
  • He established the National Institute of Ecology and the International Journal of Ecolorogy & Environmental Sciences.
  • He co-authored the book entitled "Indian Manual of Plant Ecology" which was the first book related to ecology.

26. Which of the following Ministries has launched Tree Plantation Campaign "Vriksharo pan Abhiyan-2021?

Correct Answer: (1) Ministry of Coal
Solution:During 2021, coal/lignite PSUs of the Ministry of Coal have set an ambitious target under the "Go Greening" drive to cover 2385 hectares of area under bio-reclamation/plantation.
  • Under it, the "Vriksharopan Abhiyan 2021" was launched on 19th August 2021.

27. Which of the following is called as 'Golden Fibre?

Correct Answer: (3) Jute
Solution:Jute is a natural fibre produced from plants, also called as the 'golden fibre' due to its shiny golden colour.
  • Environment-friendly and bio-degradable, jute is an important cash crop for India and Bangladesh.

28. Explain ?

Correct Answer: (4) Benzaldehyde
Solution:

29. In a queue of children, Kashish is fifth from the left and Mona is sixth from the right. When they interchange their places among themselves. Kashish becomes thirteenth from the left. Then, what will be Mona's position from the right?

Correct Answer: (3) 14ᵗʰ
Solution:

30. RISC stands for

Correct Answer: (2) Reduced Instruction Set Computer
Solution:RISC (reduced instruction set computer) is a microprocessor that is designed to perform smaller number of instructions so that it can operate faster. RISC instruction takes only one clock cycle per instruction to execute.
  • RISC is implemented using hardwire control unit. RISC uses registers instead of memory.