LED Grow Light Guide - Practice Test Geeks

To help promote the progress of plant photosynthesis by providing light supplement.

For decoration purposes

To provide warmth to plants

To help reduce light levels in an indoor environment.

Correct! Wrong!

A wide spectrum

A very narrow spectrum

Two specific wavelength chips of red and blue

Continuous spectrum with a certain distribution width

Correct! Wrong!

The green part of the color spectrum

Right across the color spectrum

The blue and violet part of the color spectrum

The red and orange part of the color spectrum

Correct! Wrong!

Grow Light Efficiency

Light Intensity

CRI

Light Spectrums

Correct! Wrong!

High-pressure sodium lights

Fluorescent lights

Halide lights

Mercury vapor lights

Correct! Wrong!

It promotes vegetative growth

It makes plants sturdier

It produces less flowering

It encourages leafy growth

Correct! Wrong!

Grow lights make the seedlings grow faster.

Seedlings need enough light and warm temperature to grow healthy.

Grow lights make the seedlings grow bigger.

Seedlings need to be kept in the dark to grow.

Correct! Wrong!