Explanation

Note: according to Fpsc answer key  the correct  ans is green light

Since the maximum absorption by chlorophyll occurs in red light.

It is the most effective wavelength for photosynthesis.

Chlorophyll strongly absorbs red light.

Thus it is effective at photosynthesis.

All important questions and Information Related to 'Photosynthesis"

Photosynthesis takes place in the presence of the following light Only in sunlight from the sun

Photosynthesis takes place faster in white light

Photosynthesis occurs more in blue and red light rays

Photosynthesis occurs more in blue and red light rays and less, or not at all, in green light rays.

ND2-03-2023

Explanation

Explanation

Joule is a unit of work or energy or heat.

Joule is a scalar quantity.

Explanation

Water has a maximum density of 4 degrees Celsius.

while

Water freezes at 0 degrees Celsius and 32 degrees Fahrenheit.

Explanation

Studies show that it takes an average of 8 minutes and 20 seconds for sunlight to move from the sun to the earth.

Sunlight moves at the speed of light.

You can see that the distance of the sun from the earth = 149.6 x 106 km.

Photons emitted from the surface of the sun need to traverse the vacuum of the universe to reach our eyes.

Explanation

Alfred Nobel was a chemist from Sweden. 

Dynamite was invented by Alfred Nobel in the 1860s.

He is also the founder of the Nobel Prize

He also invented Nitro-glycerine in 1875.

Alfred Nobel  Born: October 21, 1833, Stockholm, Sweden

Alfred Nobel  Died: on December 10, 1896, in Sanremo, Italy

Alfred Nobel Full name: Alfred Bernhard Nobel

Additional Information

The first Noble Prize was awarded on 10th December 1901

The first Noble Prize was awarded in Stockholm, Sweden.

Explanation

Blood cells are made in the bone marrow.

The bone marrow is the soft, spongy material in the center of the bones.

It produces about 95% of the body's blood cells.

Explanation

An ammeter is a device specifically designed to measure electric current (in amperes).

Explanation

The concept of vaccination was pioneered by Edward Jenner.

He is credited with developing the first smallpox vaccine.

Discovery Date: Jenner's groundbreaking work began in 1796. 

Explanation

"Equinox"  means Equal duration of day and night.

The time or date (twice each year) at which the sun crosses the celestial equator  when day and night are of approximately equal length.

During the equinoxes, solar declination is 0°

the September equinox is called the autumnal or fall equinox on 23 September

the March equinox is called the vernal or spring equinox on 19 March or as late as 21 March

ND-8-08-2023