Explanation

• The average adult has a blood volume of about 5 liters (5-6 litres), though this can range from 4.5 to 5.5 liters.
• Male: About 5.5 liters.
• Female: About 4.5 liters.
• Proportion: Blood makes up roughly 7% of a person's total body weight. 

Last verified on 30-03-2026

Explanation

• Definition: Rearing silkworms to produce silk
  • Main Insect: Bombyx mori (mulberry silkworm)
  • Main Food: Mulberry leaves
  • Output: Silk fiber from cocoons
  • Major Producers: China, India, Uzbekistan, Thailand, Vietnam

Last verified on 05-02-2026

Explanation

• Sunlight is a good source of vitamin D.
• When our skin is exposed to sunlight, it produces vitamin D, 
• It is essential for bone health, immune function, and the regulation of calcium levels in the blood.
• Deficiency of Vitamin D results in Rickets.

Explanation

Host Country: Japan

Host City: Tokyo

Actual Dates: July 23 – August 8, 2021

Reason for Delay: COVID-19 pandemic 

Additional information:

Last verified on 02-02-2026

Explanation

Pedagogy is the study of teaching methods and strategies.

It focuses on the art and science of education.

Including how to effectively impart knowledge and facilitate learning.

Explanation

COP 22, the 22nd UN Climate Change Conference, was held in Marrakech, Morocco,

From November 7 to 18, 2016,

 It was the first COP after the Paris Agreement entered into force

Explanation

Input devices receive data from the user or environment and send it to the CPU.

Examples: Keyboard, mouse, scanner, microphone.

Explanation

Step 1: Calculate the first expression

First, we add 73 to 89, which gives 73+89=162

Step 2: Double the sum and verify the resul

.Then, we double this amount: 162 x 2=324

Next, we calculate the square of 18, which is 18^{2}=18 x  18=324

Explanation

Explanation

$$0.004\times 0.5=0.002$$