Explanation

• A spectrum of light is the distribution of light into its individual colours.
• Typically displayed in the order of red, orange, yellow, green, blue, indigo, and violet (ROYGBIV).
• This is often seen in the form of a rainbow or produced through the use of a prism.

Explanation

• Nuclear energy is a form of energy that is stored in the nucleus of an atom of an element.
• It is the energy that holds the protons and neutrons together in the nucleus.
• It can be released through nuclear reactions such as fission or fusion.

Explanation

• Acceleration is not a base quantity.

The base quantities are:

• Length (L)
• Mass (M)
• Time (T)

Explanation

Carbon monoxide (CO) is a colorless, odorless, and highly toxic gas that is emitted by the incomplete combustion of fossil fuels, such as gasoline, natural gas, and wood.

Explanation

• Reflex actions are rapid, automatic responses to stimuli that occur without the involvement of the brain.
• Instead, they are mediated by the spinal cord or peripheral nerves.

Explanation

Blood has a pH level of around 7.3, which is closest to neutral (pH 7).

Explanation

The information in DNA is stored in the form of a code having 4 organic bases:

• Adenine (A)
• Guanine (G)
• Cytosine (C)
• Thymine (T)

Explanation

The Medulla oblongata is the part of the brainstem that controls involuntary reflex actions, such as:

• Blood pressure
• Heartbeat
• Peristalsis (movement of food through the digestive system)
• Rate of respiratory movements
• Contraction and dilation of blood vessels

Explanation

• Giant pandas are an endangered species, due to habitat loss, low birth rates, and other factors.
• Conservation efforts are in place to protect this iconic species.

Explanation

Transplantation is the replacement of a diseased or damaged organ with a healthy one from a donor.