Sensory and Motor Mechanism (10 items)

Which of the following are not correctly matched?

• mechanoreceptors - touch, pressure

• electroreceptors - voltage

• photoreceptors - light

• chemoreceptors - gravity

If the stem grow towards sunlight and root grows just opposite to it, the stem movement is known as _________

• gravitropic movement

• negative phototropic movement

• positive phototropic movement

• none of these

Twining of tendrils around a support is a good example of __________.

• chemotropism

• nastic movement

• phototropism

• thigmotropism

Which of the following statement is correct for signal transduction pathway?

• Signal transduction pathway link signal reception to response happens only in plants

• Signal transduction pathway link signal reception to response happens both in plants and animals

• Signal transduction pathway can be triggered by a hormone or an external stimulus

• The result of any signal transduction is cellular

Eyespots; rods and cones in retina of vertebrates are examples of __________.

• Photoreceptors

• Mechanoreceptors

• Chemoreceptors

• Electroreceptors

__________ responses involves the bending of growing stems and other plant parts toward sources of light.

• Phototropic

• Gravitropism

• Thigmotropism

• Electropism

All of the following are an example of "Class Promoters", except:

• Auxins

• Cytokinins

• Jasmonic Acid

• Gibberellins

Plant directional growth response to wounding is called ________

• Electrotropism

• Chemotropism

• Traumotropism

• Thermotropism

A sensory pathway of the brain which involves the "detection of stimuli by sensory receptors"

• reception

• transduction

• transmission

• perception

__________ is a type of receptor in which the type of energy transduce is "heat"

• electroreceptors

• thermoreceptors

• nocireceptors

• mechanoreceptors