Haryana Constable Exam, 01.11.2021 (Morning Shift-IV)

21. Testosterone is secreted by

(1) Ovary
(2) Pituitary gland
(3) Testes
(4) Adrenal gland

Correct Answer: (3) Testes

Solution:Testosterone is a sex hormone that is secreted by the testes.

In males, it is produced by the testes and ovaries in females.
Testosterone is secreted by cells that lie between the seminiferous tubules, known as the Leydig cells.

22. Satish remembers that his brother's birthday is after fifteenth but before eighteenth of February whereas his sister Kajal remembers that her brother's birthday is after sixteenth but before nineteenth of February. On which day in February is Satish's brother's birthday?

(1) 18th
(2) 16th
(3) 17th
(4) 19th

Correct Answer: (3) 17th

Solution:According to Satish his brother's birthday = 16, 17 According to Kajal her brother's birthday =17, 18 Since '17' February is common in both statement, hence the Satish's brother's birthday = 17 February

23. Following are the types of modem:

1. Internal modem

2. External modem

(1) Both 1 and 2
(2) Only 1
(3) Only 2
(4) Neither 1 nor 2

Correct Answer: (1) Both 1 and 2

Solution:A modem is a hardware networking device whose basic functioning is to convert data to a signal.

Modem is important so as to possess Internet access.
Modem are of two types, internal and external.

24. The Architect of Indian Planning

(1) Jawaharlal Nehru
(2) Dr. Manmohan Singh
(3) P.C. Mahalanobis
(4) Dr. Ambedkar

Correct Answer: (3) P.C. Mahalanobis

Solution:P.C Mahalanobis is famously known as the architect of Indian planning.

He founded the Indian Statistical Institute and was one of the main members of the first Planning Commission of India.

25. Which of the following is/are the UNESCO world heritage cites in India?

(1) Agra Fort
(2) Buddhist Monuments at Sanchi
(3) Ajanta Caves
(4) All the above

Correct Answer: (4) All the above

Solution:Agra Fort and Ajanta Caves are cultural UNESCO World Heritage Site inscribed in 1983.

Buddhist monuments at Sanchi, designated a UNESCO World Heritage site in 1989.

26. __________is a program that adds functions to the webbrowser such as an audio player or a compression utility.

(1) Helper Programs
(2) Plug-ins
(3) Native Support
(4) None of the above

Correct Answer: (2) Plug-ins

Solution:Plugins is computer software that adds new functions to a host program without altering the host program itself.

Widely used in digital audio, video, and Web browsing, plug-ins enable programmers to update a host program while keeping the user within the program's environment.

27. The largest phylum of Animalia is

(1) Anthronda
(2) Arthropoda
(3) Chordata
(4) Pisces

Correct Answer: (2) Arthropoda

Solution:Arthropoda is the largest phylum of the kingdom Animalia.

About 84% of species of animals belong to this phylum.

28. The asthenosphere is

(1) The lower portion of the mantle
(2) The portion of earth beyond the crust
(3) The upper portion of the mantle
(4) The inner portion of the earth core

Correct Answer: (3) The upper portion of the mantle

Solution:The asthenosphere is part of the upper mantle located below the crust of the earth.

The asthenosphere is the layer of the Earth that lies below the lithosphere.
It is a layer of solid rock where the extreme pressure and heat cause the rocks to flow like a liquid.

29. These are the examples of email-client

(1) Pegasus Mail
(2) Eudora
(3) Microsoft outlook express
(4) All the above