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Railway RRB RRC NTPC,GROUP-D FREE MOCK TESTS/GENERAL SCIENCE TEST-02

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1/10
What is the symbol of the element Krypton?
Kn
Kr
K
Ky
2/10
What is defined as the product of mass and velocity?
Magnitude
Direction
Displacement
Momentum
3/10
The anti-sterility vitamin is known as
Vitamin D
Vitamin E
Vitamin B
Vitamin A
4/10
How is the calorific value of a fuel expressed?
Kilometer per kg
Kilojoules per kg
Kilowatt per kg
Kilonewton per kg
5/10
What immunization is given at birth?
Hepatitis A
BCG
MMR
DPT
Explanation: bacille Calmette-Guerin(BCG)
6/10
How many pairs of chromosomes are present in the human cell?
22
23
44
46
7/10
What is the end product of proteins?
Glucose
Amino acids
Fructose
Triglycerides
Explanation: "Amino acids and proteins are the building blocks of life. Amino acids are organic compounds that combine to form proteins. When proteins are digested or broken down, amino acids are left. Zymogenic cell or peptic cell in the stomach that releases pepsinogen and chymosin. This inactive pepsinogen, on exposure to hydrochloric acid, gets converted to the active enzyme pepsin. Pepsin is produced in the stomach and is one of the main digestive enzymes, which helps in digestion of the proteins to polypeptide chains. The end product of protein is it must be broken down into amino acids. Hence, the end product of protein digestion is amino acids. So, the correct answer is 'amino acids'."
8/10
Where is kidney located?
Urethra
Oesophagus
Aorta
Abdomen
9/10
Which one of the following is the Master gland of the body?
Thyroid gland
Adrenal gland
Parathyroid gland
Pituitary gland
10/10
What is the normal systolic pressure?
120 mm of Hg
130 mm of Hg
80 mm of Hg
180 mm of Hg
Explanation: When the heart beats, it contracts and pushes blood through the arteries to the rest of the body. This force creates pressure on the arteries. This is called as systolic blood pressure. A normal systolic blood pressure is 120 mm hg. The diastolic blood pressure indicates the pressure in the arteries when the heart rests between beats. A normal diastolic blood pressure number is 80 mm hg.
Result:

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