Tag: science & technology

Questions Related to science & technology

Red data book is
general knowledge science & technology

  1. Book showing places which are drought hit

  2. Book showing list of animals, plants and fungi which are under the threat of extinction

  3. Book with list of hottest places on earth

  4. Book with list of earthquake prone areas on earth

Show answer
Correct Option: B
Explanation:

To answer this question, the user needs to have some knowledge about environmental conservation and the purpose of various books.

Option A is incorrect because the Red Data Book is not related to drought-hit places.

Option B is correct. The Red Data Book is a compilation of the world's endangered species of animals, plants, and fungi. It is a comprehensive list of threatened species with the aim of protecting them from extinction.

Option C is incorrect because the Red Data Book is not related to the hottest places on earth.

Option D is incorrect because the Red Data Book is not related to earthquake-prone areas on earth.

Therefore, the correct answer is:

The Answer is: B. Book showing list of animals, plants and fungi which are under the threat of extinction.

Land of white elephants

general knowledge science & technology

  1. Malaysia

  2. Srilanka

  3. Thailand

  4. Russia

Show answer
Correct Option: C

What is the modern name of metal denoted by symbol - W?

general knowledge science & technology

  1. Wolfram

  2. Wadium

  3. Tungsten

  4. Atrium

Show answer
Correct Option: C

AI Explanation

To answer this question, you need to be familiar with the periodic table and the symbols of various elements.

The symbol "W" in the periodic table represents the element tungsten. Tungsten is a chemical element with the atomic number 74 and is known for its high melting point and density. It is commonly used in the production of electrical wires, light bulb filaments, and various other applications.

Let's go through each option to understand why it is correct or incorrect:

Option A) Wolfram - This option is correct. Wolfram is an alternative name for the element tungsten. In fact, the symbol "W" is derived from the German name for tungsten, which is "Wolfram."

Option B) Wadium - This option is incorrect. There is no element with the symbol "Wadium" in the periodic table.

Option C) Tungsten - This option is correct. Tungsten is the modern name of the element represented by the symbol "W."

Option D) Atrium - This option is incorrect. Atrium is not the modern name of the element represented by the symbol "W."

The correct answer is C) Tungsten. This option is correct because tungsten is the modern name of the element represented by the symbol "W."

Branch of Zoology that deals with the study of eggs

general knowledge science & technology

  1. Oology

  2. Herpatology

  3. Ichthyology

  4. Ornithology

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Correct Option: A

Bird with longest wingspan
general knowledge science & technology

  1. Flemingo

  2. Bald Eagle

  3. Ostrich

  4. Albatros

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Correct Option: D

Of which gas is the atmosphere primarily made up?

general knowledge science & technology

  1. Carbon Dioxide (CO2)

  2. Oxygen (O2)

  3. Water (H2O)

  4. Nitrogen (N2)

Show answer
Correct Option: D

A particular electromagnetic signal has a wavelength of 1 m. What is its frequency?

general knowledge science & technology

  1. 1 Hz

  2. 300 000 Hz

  3. 300 000 000 Hz

  4. 1 000 000 000 Hz

Show answer
Correct Option: C

Bronze is an alloy usually composed primarily of the following two metals:

general knowledge science & technology

  1. Copper

  2. Gold

  3. Iron

  4. Steel

  5. Tin

  6. Zinc

Show answer
Correct Option: A,E

AI Explanation

To answer this question, you need to have knowledge about bronze and its composition. Bronze is an alloy that is traditionally composed primarily of copper and tin. However, in this question, we are asked to identify the two metals that are usually present in bronze.

Let's go through each option to determine the correct answer:

Option A) Copper - This option is correct because copper is one of the primary metals in bronze. Option B) Gold - This option is incorrect because gold is not commonly found in bronze. Option C) Iron - This option is incorrect because iron is not commonly found in bronze. Option D) Steel - This option is incorrect because steel is an alloy composed primarily of iron and carbon, and it is not commonly found in bronze. Option E) Tin - This option is correct because tin is the second primary metal in bronze. Option F) Zinc - This option is incorrect because zinc is not commonly found in bronze.

The correct answer is options A and E. Bronze is an alloy usually composed primarily of copper and tin.

The world's first transistor computer came into operation in:
general knowledge science & technology

  1. 1948

  2. 1951

  3. 1953

  4. 1956

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Correct Option: C

The underlying principles of air conditioning are:
general knowledge science & technology

  1. melting/freezing

  2. pushing/pulling

  3. evaporating/melting

  4. condensing/evaporating

Show answer
Correct Option: D