(A) Choroid
(B) Retina
(C) Iris
(D) Cornea
The answer is: (B) Retina
The most sensitive to light part of human eye is Retina.
Category: Everyday Science MCQs FPSC NTS PPSC Past Papers Test Questions
Everyday Science MCQs Questions with Answers for CSS MPT Test by FPSC including solved CSS General Science and Ability Past Papers MCQs. General Everyday Science MCQ PPSC NTS SPSC KPPSC past papers solved questions and answers. Daily science MCQ quiz in multiple choice questions format.
How much time sunlight takes to reach the Earth?
(A) 4 minutes and 20 seconds
(B) 6 minutes and 20 seconds
(C) 8 minutes and 20 seconds
(D) 10 minutes and 20 seconds
The answer is: (C) 8 minutes and 20 seconds
Sunlight takes about 8 minutes and 20 seconds to travel the average distance from the surface of the Sun to the Earth.
What is the speed of light in vacuum?
(A) 270,000 km/s
(B) 280,000 km/s
(C) 290,000 km/s
(D) 300,000 km/s
The answer is: (D) 300,000 km/s
The speed of light in vacuum is 300,000 km/s.
The human body is about _____ water by weight.
(A) 40%
(B) 50%
(C) 60%
(D) 70%
The answer is: (C) 60%
By weight, the human body is about sixty percent water.
In a boiling pot of water, heat transfers from bottom to the surface of water. This is an example of
(A) conduction
(B) radiation
(C) convection
(D) none of these
The answer is: (C) convection
Convection is the transfer of heat through the movement of liquids or gases.
The Earth receives energy from the sun through
(A) conduction
(B) radiation
(C) diffusion
(D) convection
The answer is: (B) radiation
The earth receives energy from the sun in the form of radiation.
Our world (Earth) was formed about ________ years ago.
(A) 4.5 million
(B) 5.5 million
(C) 4.5 billion
(D) 5.5 billion
The answer is: (C) 4.5 billion
According to the scientists, the Earth was formed about 4.5 billion years ago.
Between the melting point and boiling point of a substance, the substance is a
(A) Solid
(B) Liquid
(C) Gas
(D) Crystal
The answer is: (B) Liquid
Between the melting point and boiling point of a substance, the substance is a liquid.
The minimum amount of vitamin stored in the human body is of:
(A) Vitamin D
(B) Vitamin C
(C) Vitamin E
(D) Vitamin A
The answer is: (B) Vitamin C
Only a minimum amount of vitamin C is stored in the human body. Therefore, Vitamin C is needed from the daily diet.
According to the Big Bang Theory, the universe began about ________ billion years ago.
(A) 10 – 20
(B) 20 – 30
(C) 30 – 40
(D) 40 – 50
The answer is: (A) 10 – 20
According to the Big Bang Theory, the universe began about ten to twenty billion years ago.