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Q:

With regard to water transportation in India, which of the following statements are correct?

1.Headquarters of Central Inland Water Transport Corporation is located at Delhi.

2.Headquarters of Inland Waterways Authority of India is located at Noida.

3.National Inland Navigation Institute is located at Kolkata.

4.First National Inland Waterway was between Haldia and Allahabad.

Select the correct answer using the code given below.

A) 1 and 2 only B) 2 and 3
C) 2 and 4 only D) 1, 2and 4
 
Answer & Explanation Answer: C) 2 and 4 only

Explanation:

Central Inland Water Transport Corporation - Kolkata

Inland Waterways Authority of India - Noida

National Inland Navigation Institute - Patna

First National Inland Waterway -  Between Haldia and Allahabad

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Filed Under: Indian Geography
Exam Prep: Bank Exams

Q:

The radius of base of a right circular cone is 6cm and its slant height is 10cm. Then its volume is

(use π=227)

A) 301.71 cm3 B) 310.71 cm3
C) 301.17 cm3 D) 310.17 cm3
 
Answer & Explanation Answer: A) 301.71 cm3

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Biological catalysts are protein molecules which

1. speed up a chemical reaction

2. remain unchanged after reaction

3. function optimally at 37 deg C.

4. do not have an enzymatic activity

Select the correct answer using the code given below.

A) 1 only B) 1, 2 and 3
C) 2 and 3 only D) 1, 3 and 4
 
Answer & Explanation Answer: B) 1, 2 and 3

Explanation:

Enzymes are biological catalysts. Enzymes are the catalysts involved in biological chemical reactions.

A fundamental task of proteins is to act as enzymes—catalysts that increase the rate of virtually all the chemical reactions within cells.

A catalyst remains chemically unchanged itself at the end of a reaction.

Each enzyme has a temperature that it works optimally in, which in humans is around 98.6 degrees Fahrenheit, 37 degrees Celsius –the normal body temperature for humans.

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Filed Under: Biology
Exam Prep: Bank Exams

Q:

Which of the following cells do not contain nucleus?

1. Root hair cells

2. Red blood cells

3. Platelets

4. Monocytes

Select the correct answer using the code given below.

A) 1 only B) 2 and 3 only
C) 1, 2 and 4 D) 2, 3 and 4
 
Answer & Explanation Answer: B) 2 and 3 only

Explanation:

The absence of a nucleus is an adaptation of the red blood cell for its role. It allows the red bloodcell to contain more haemoglobin and, therefore, carry more oxygen moleculesLike red cells, platelets (thrombocytes) have no nucleus.Monocytes have a small spherical nucleus and has abundant dark staining condensed chromatin.There are 5 organelles found in a root hair cell. They are the: nucleus, cytoplasm, cell membrane, cell wall and vacuole.

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Filed Under: Biology
Exam Prep: Bank Exams

Q:

Which one of the following statements is not correct?

A) The response of the ear to sound of increasing intensity is approximately logarithmic. B) The sensitivity of the human ear does not vary with the frequency of the sound.
C) When two or more waves traverse the same medium, the displacement of any element of the medium is the algebraic sum of the displacements due to each wave. D) Longitudinal waves can travel in all media-solids, liquids and gases.
 
Answer & Explanation Answer: B) The sensitivity of the human ear does not vary with the frequency of the sound.

Explanation:

The human ear can respond to minute pressure variations inthe air if they are in the audible frequency range, roughly 20 Hz -20 kHz. In fact, tests conducted show an increased sensitivity in the 3000 Hz range which is the optimal amplification frequency in the human ear. So, the sensitivity of the human ear varies with the frequency of the sound.

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Filed Under: Physics
Exam Prep: Bank Exams

Q:

'Agronomy' is the practice of raising ______________

A) Plants and Animals B) Crop plants
C) Agriculture D) Fruit plants only
 
Answer & Explanation Answer: A) Plants and Animals

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams

Q:

The pressure exerted by a 760 mm column of mercury at 0°C  is known as

A) 1 pascal B) 1 atmosphere
C) 1 bar D) 1 poise
 
Answer & Explanation Answer: B) 1 atmosphere

Explanation:

1 atm: It was originally defined as the pressure exerted by 760 mm of mercury at 0 °C and standard gravity (g = 9.80665 m/s2).

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Filed Under: Physics
Exam Prep: Bank Exams

Q:

The veda which deals with the rituals is known as_____________

A) Rigveda B) Yajurveda
C) Samaveda D) Atharvaveda
 
Answer & Explanation Answer: B) Yajurveda

Explanation:
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Filed Under: Indian Culture
Exam Prep: Bank Exams