F3 Sci Chp 1-3 (Finals Revision)

Which is NOT a sensory organ?

• Eyes

• Muscle

• Tongue

• Skin

Which is the correct pathway of impulse in an involuntary action?

• Affector --> Effector --> Spinal cord

• Effector --> Affector --> Spinal cord

• Affector --> Spinal cord --> Effector

• Effector --> Spinal cord --> Affector

"An object that is seen differs from its actual state because the brain is unable to accurately interpret the object seen by the eye due to distractions around the object."

• Short sightedness

• Far sightedness

• Optical illusion

• Blind spot

Someone who is long-sighted should use

• Convex lens

• Concave lens

• Telescope

• Binoculars

When the leaves curl up, it shows

• Nastic movement

• Thigmotropism

• Phototropism

• Geotropism

Hearing using both ears is called

• Stereoscopic

• Monoscopic

• Stereophonic

• Monophonic

When diaphragm contracts, volume of thoracic cavity

• increases

• decreases

When diaphragm contracts, air pressure of thoracic cavity

• increases

• decreases

In this experiment, the litmus solution will turn...

• red

• orange

• blue

• green

In this experiment, the cotton will turn brown due to the presence of...

• nitrogen dioxide

• tar

• nicotine

• cyanide