LED Grow Light Guide - Practice Test Geeks

A very narrow spectrum

Continuous spectrum with a certain distribution width

Two specific wavelength chips of red and blue

A wide spectrum

Correct! Wrong!

Mercury vapor lights

Halide lights

Fluorescent lights

High-pressure sodium lights

Correct! Wrong!

Light Intensity

Grow Light Efficiency

CRI

Light Spectrums

Correct! Wrong!

To help reduce light levels in an indoor environment.

For decoration purposes

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

To provide warmth to plants

Correct! Wrong!

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.

Grow lights make the seedlings grow faster.

Correct! Wrong!

It makes plants sturdier

It promotes vegetative growth

It encourages leafy growth

It produces less flowering

Correct! Wrong!

The blue and violet part of the color spectrum

The red and orange part of the color spectrum

Right across the color spectrum

The green part of the color spectrum

Correct! Wrong!