Welcome to our comprehensive guide designed to help you conquer basic science quizzes for competitive exams. Whether you're preparing for entrance tests, job interviews, or academic competitions, having a strong foundation in basic science is essential. From understanding the principles of motion to decoding the mysteries of chemical reactions, this guide will equip you with the knowledge and confidence to excel in your exams.
In this basic science quiz blog, we'll explore a range of fundamental concepts across various scientific disciplines, including physics, chemistry, biology, and earth sciences. Let's dive into the world of science and unlock the secrets to your success!
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Q : Which one of the following is the correct taxonomic hierarchy?
(A) Jagat (Kingdom) – Sangha – Gana – Vansh – Kula – Varga – Jati
(B) Jagat – Gana – Varga – Sandha – Kul – Vansh – Jati
(C) Jagat – Varga – Gana – Sangha – Kul – Jati – Vansh
(D) Jagat – Sangha – Varga – Gana – Kul – Vansh – Jati
A color blind woman marries a normal man, her children will be-
(A) Common daughter and common son
(B) Son and daughter will be color blind
(C) Color blind daughter and normal son
(D) Carrier daughter and color blind son
When a colorblind woman marries a man with normal eyesight, her daughters become carriers for the condition, and all sons become colorblind.
What is the unit of Lumen?
(A) Light intensity
(B) Flame flux
(C) Both A and B
(D) None of these
The SI unit of luminous flux is the lumen (lm). One lumen is defined as the luminous flux of light produced by a light source that emits 1 cd of luminous intensity over a solid angle of 1 sr. In other systems of units, luminous flux may have units of power.
Which of the following is not a non-conventional source of energy?
(A) Solar energy
(B) Natural gas
(C) Wind energy
(D) Tidal energy
Which of the following is not correctly matched?
(A) Decibel - Unit of loudness of sound
(B) Horse power - Unit of power
(C) Nautical Mile - Unit of distance
(D) Celsius - Unit of heat
Open blood circulation is found in-
(A) Earthworm
(B) Reptile
(C) Cockroach
(D) Todd
______ part of xylem tissue in plants stores food.
(A) Vessels
(B) Xylem fibres
(C) Xylem parenchyma
(D) Tracheids
Xylem parenchyma is made up of parenchymatous cells with thin walls. These cells are living. The main function of xylem parenchyma is to store food in the form of starch.
Which of the following statements about the cell cycle is FALSE?
(A) The preparation of mitosis takes place in the G2 phase.
(B) In the M phase, the cell grows physically larger and copies organelles.
(C) In the S phase, replication of DNA takes place.
(D) In the G1 phase, the cell grows physically larger and copies organelles.
The correct answer to the question is option d i.e. the amount of CDKs changes during the cell cycle which is false. CDKs are cyclin-dependent kinases and are found in the cell with differing variability.
Which of the following represents an ascending order as per the size of particles?
(A) Rock, Clay, Sand, Gravel, Silt
(B) Clay, Silt, Sand, Gravel, Rock
(C) Silt, Clay, Sand, Gravel, Rockgniv
(D) Rock, Gravel, Sand, Silt, Clay
The soil particles' with the increasing order of their particle sizes can be shown as: Clay < Silt < Sand < Gravel < Rock.
Ampere is the unit?
(A) Light intensity
(B) Electric charge
(C) Electric current
(D) Magnetic field
What is Ampere? Ampere is defined as the unit of electric current that is equal to the flow of one Coulomb per second.
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