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Question 209

All biological reaction in a living organism come under

AAnabolism

BCatabolism

CMetabolism

DMetamorphosis

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C. Metabolism"Metabolism" involves two main categories of reactions: 1.Catabolism: This is the breakdown of larger molecules into smaller ones. 2. Anabolism: This is the synthesis of larger molecules from smaller ones.

Question 115

Which micro-organism is responsible for disease Mumps

ABacteria

BVirus

CProtozoa

Dnone of these

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B. VirusExplanation: Mumps is a contagious viral disease caused by the mumps virus, a member of the Paramyxoviridae family (genus Rubulavirus). It primarily affects the salivary glands, especially the parotid glands, leading to painful swelling near the cheeks and jawline. Mode of Transmission: The infection spreads through respiratory droplets or direct contact with saliva from an infected person. Symptoms: Swelling and pain in the parotid glands (below the ears) Fever and headache Muscle pain and fatigue Difficulty in chewing or swallowing Prevention: Mumps can be effectively prevented by the MMR vaccine (Measles, Mumps, and Rubella vaccine).

Question 114

What is the purpose of 'Anemometer'?

ATo measure blood pressure.

BTo measure the velocity and to find the direction of wind.

CTo measure altitude.

Dnone of these.

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B. To measure the velocity and to find the direction of wind.Explanation: An anemometer is a meteorological instrument used to measure wind speed and direction. It is an essential tool in weather stations, aviation, and marine forecasting. Working Principle: The cup anemometer has three or four cups that rotate with the wind. The rotation speed is proportional to wind velocity. Advanced types also detect wind direction. Types of Anemometers: Cup: Measures wind speed using rotating cups. Vane: Measures both speed and direction. Hot-wire: Uses heat loss to measure air flow. Ultrasonic: Uses sound waves for precise measurement.

Question 113

What is the meaning of the word 'Tsunami' in Japanese?

AHigh waves

BDestructive waves

CHarbour waves

Dnone of these

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C. Harbour wavesIndian Ocean Tsunami occurred on 26 December, 2004 with an epicentre off the west coast of Sumatra, Indonesia.

Question 112

What is the dimensions of A4 size paper?

A210 mm X 297 mm

B217 mm X 290 mm

C200 mm X 300 mm

Dnone of these

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A. 210 mm X 297 mmLegal- 21.59mm X 35.56mm

Question 111

Light Year is a unit of

ATime

BDistance

CBrightness

Dnone of these

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B. DistanceA unit of Astronomical distance equivalent to the distance that light travels in one year,

Question 110

What is the rarest element on earth?

ARadium

BEinsteinium

CAstatine

Dnone of these

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C. AstatineAstatine is a very rare radioactive chemical element with the chemical symbol At and atomic number 85

Question 109

How many bones are there in each hand of an adult human being?

A19

B27

C37

Dnone of these

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B. 278 carpal bones (Wrist). 5 metacarpal bones (Palm). 12 phalanges (Fingers). 02 sesamoid bones at the base of the thumb. total to 27 bones in each hand. . Adult Human Body-206,

Question 53

What is the scientific name of vitamin A

ARetinol

BRiboflavin

CAscorbic acid

DCalciferol

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A. RetinolVitamin A is a fat-soluble vitamin that is essential for various biological processes, including vision, immune system function, and skin health.

Question 13

Which one of the following has the highest fuel value ?

AHydrogen

BCharcoal

CNatural gas

DGasoline

Show answer

A. Hydrogen"Hydrogen" has the highest calorific value among commonly used fuels because it has a very high energy content, undergoes complete combustion, has a high heat of combustion, and can be used in various applications.

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Science

All biological reaction in a living organism come under

Which micro-organism is responsible for disease Mumps

What is the purpose of 'Anemometer'?

What is the meaning of the word 'Tsunami' in Japanese?

What is the dimensions of A4 size paper?

Light Year is a unit of

What is the rarest element on earth?

How many bones are there in each hand of an adult human being?

What is the scientific name of vitamin A

Which one of the following has the highest fuel value ?

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