Chemical and Nervous Control

In a neuron, conversion of electrical signal to chemical signal occurs at

• Axonal end

• Dendritic end

• Cell body

• Axon

Correct sequence of electrical impulse transmission in a neuron is from

• dendrite, axon, axonal end,cell body

• cell body, dendrite, axon,axonal end

• dendrite, cell body, axon, axonal end

• axonal end, axon, cell body, dendrite

Posture and balance of the body is controlled by

• Cerebrum

• Cerebellum

• Medulla

• Pons

Which is not a reflex action

• Swallowing

• Coughing

• Knee jerk

• Closing of eyes on flashing light

Most highly developed part of human brain is

• Pons

• Medulla

• Cerebrum

• Cerebellum

Thinking part of brain is

• Hind brain

• Mid brain

• Fore brain

• Hypothalamus

What pancreatic hormone increase blood glucose levels?

• glucagon
• insulin
• glucocorticoid
• epinephrine

What hormone lowers blood glucose levels?

• glucocorticoid
• insulin
• glucagon
• aldosterone

What is tropism?

• A plant's response to a stimulus

• A plant reproducing

• An animal's response to a stimulus

• A prokaryote's response to a stimulus

Which of these are types of tropism? Select all that apply:

• Hydrotropism

• Synthetropism

• Electrotropism

• Gravitropism