Tag: science & technology

Quizzes (551) Questions (11015)

Questions Related to science & technology

Multiple choice general knowledge science & technology

Tyndall effect is caused by

  1. Molucles dispersed in air

  2. Colloides disperssed in a medium

  3. The gases in atomic State

  4. Vapours in atomic state
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Tyndall effect is the scattering of light by colloidal particles dispersed in a medium. It is observed when light passes through a colloid and is scattered by the colloidal particles, making the path of the light visible. Option B correctly identifies this, despite spelling errors in the word 'colloids'.

Multiple choice general knowledge science & technology

The process of movement of Solvent from its lower concentration to higher concentration seperated by a semi permimable membrane is called Osmosis :

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The statement is FALSE because it contains a factual error in the definition. Osmosis is the movement of solvent molecules from a region of HIGHER solvent concentration (or LOWER solute concentration) to a region of LOWER solvent concentration (or HIGHER solute concentration). The statement reverses this direction.

Multiple choice general knowledge science & technology

insulin resistant diabetes is

  1. type-1

  2. type-2

  3. both

  4. none
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Type 2 diabetes is characterized by insulin resistance - the body's cells don't respond properly to insulin. This is different from Type 1 diabetes, which is an autoimmune condition where the pancreas produces little or no insulin.

Multiple choice general knowledge science & technology

kidney shaped WBC cell is

  1. eosinophil

  2. basophil

  3. lympocyte

  4. monocyte
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Monocytes are the largest type of white blood cell and are characterized by a large, eccentric, kidney-shaped or bean-shaped nucleus. Eosinophils usually have bilobed nuclei, and lymphocytes have large, round nuclei that fill most of the cell.

Multiple choice general knowledge science & technology

marsh fever is otherwise called as

  1. dengue

  2. yellow fever

  3. malaria

  4. typhoid
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Marsh fever is an archaic term for malaria, so named because the disease was commonly associated with marshy, swampy areas where mosquitoes breed abundantly. The term reflects historical understanding of malaria's transmission patterns before the mosquito vector was fully understood.

Multiple choice general knowledge science & technology

Who is credited with the idea of linking each page of information on the net to another that went onto create the world wide web (www) ?

  1. Tim Berners-Lee

  2. Bill Gates

  3. Al Gore

  4. Steve Jobs
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tim Berners-Lee, a British scientist at CERN, invented the World Wide Web in 1989 by proposing a system of interlinked hypertext documents accessible via the internet. He created the first web browser, web server, and the foundational protocols (HTTP, HTML) that made the web possible.

Multiple choice general knowledge science & technology

Who is the director of the film Mission Kashmir ?

  1. Ram Gopal Verma

  2. Vidhu Vinod Chopra

  3. E. Niwas

  4. Subhash Ghai
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vidhu Vinod Chopra directed the 2000 Bollywood film 'Mission Kashmir' starring Sanjay Dutt, Hrithik Roshan, and Preity Zinta. The film deals with terrorism in Kashmir and was both critically acclaimed and commercially successful. Chopra is known for films like 'Parinda' and the 'Munna Bhai' series.

Multiple choice general knowledge science & technology

Which of the following blood cells actually carry the oxygen to your cells?

  1. Red Blood Cells

  2. White Blood Cells

  3. Platelets

  4. Neutrophils
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Red blood cells contain hemoglobin, the iron-containing protein that binds to oxygen in the lungs and releases it to body tissues. White blood cells fight infection, platelets help with clotting, and neutrophils are a type of white blood cell.