SSC-Junior Engineer (Civil & Structural) Online Exam 2018

PAPER-I
GENERAL INTELLIGENCE AND REASONING

Total Questions: 50

21. Among the following water bodies, which one has the highest salinity?

Correct Answer: C. Lake Van
Solution:Lake Van the largest lake in the Armenian Highlands, lies in the far east of Turkey in the provinces of Van and Bitlis. It is a saline soda lake, receiving water from numerous small streams that descend from the surrounding mountains. Lake Van is one of the world's largest endorheic lakes (having no outlet)-a volcanic eruption blocked the original outlet from the basin in prehistoric times. Although Lake Van has an altitude of 1,640 m (5,380 ft) in a region with harsh winters, its high salinity prevents most of it from freezing, and even the shallow northern section freezes only rarely.

22. In the context of natural satellites in our solar system, which of the following statements is NOT correct?

Correct Answer: C. Only planets have natural satellites
Solution:A natural satellite is any celestial body in space that orbits around a larger body. Moon is called natural satellite as it orbits planet.

23. If a file name has a default suffix .xls, what will be the content of the file?

Correct Answer: D. A spreadsheet
Solution:The XLS is the default file type for Excel version 2.0 to Excel 2003. This extension is used by the spreadsheet files generated with the Excel version 2007 onwards. For an Excel file, the current default file extension is XLSX.

24. Vinegar is an aqueous solution of:

Correct Answer: B. acetic acid
Solution:Vinegar is homogenous solution because it is a completely uniform solution of liquid in liquid type of mixture (acetic acid in water).

25. Who of the following had the shortest tenure as the President of India?

Correct Answer: D. Dr. Zakir Husain
Solution:Dr. Hussain was the countrys first Muslim president, who occupied the office for the shortest period. His untimely death two years after being elected made V.V. Giri the first acting president of India.

Dr. Hussain was an avid intellectual educator and the co-founder of Jamia Millia Islamia University.

26. Kaolinite is an ore of:

Correct Answer: A. Aluminium
Solution:Kaolin is a hydrated aluminum silicate with a crystalline structure that allows for a large surface area that adsorbs many times its weight in water. Its use in the treatment of diarrhea is based on its purported ability to absorb fluid, bacteria, toxins, and various noxious materials in the gastrointestinal tract, decreasing stool liquidity and frequency.

27. In the context of hormones and their function in body, which of the following is NOT correctly paired?

Correct Answer: B. Prolactin - regulates female sexual behaviour
Solution:The anterior pituitary gland also secretes prolactin (PRL). During pregnancy, protection stimulates the breast development necessary for eventual lactation (milk secretion). Also soon after delivery of a baby, a woman's prolactin stimulates the breasts to start secreting milk, a function suggested by prolactin's other name, lactogenic hormone.

28. ________ are the most abundant cells in blood.

Correct Answer: B. Erythrocytes
Solution:Blood is a specialized body fluid. It has four main components: plasma, red blood cells, white blood cells, and platelets. Red Blood Cells (also called erythrocytes or RBCs) known for their bright red colour, red cells are the most abundant cell in the blood, accounting for about 40 to 45 per cent of its volume.

29. In the context of demographic history of India, which of the following years is known as the 'Year of Great Divide'?

Correct Answer: A. 1921
Solution:The year 1921 is known as "Year of the great divide" in the demographic history of India when mortality started to decline leading to acceleration in the rate of population growth. During the next three decades (1921-51) the rate of population growth continued at a level of over one per cent per annum.

30. The mascot of Olympics, 2020 is called:

Correct Answer: A. Miraitowa
Solution:The official mascot of the Tokyo 2020 Summer Olympic Games is a smiling, futuristic creature named Miraitowa. The mascot, which resembles both a feline superhero and a robot, gets its name from the Japanese words "mirai" (meaning future) and "towa" (meaning eternity).