Exercises:
Choose the correct alternatives
I) The functional unit of the kidney that performs the basic function of filtration is called a ----------------------------
A. Nephron
B. neuron
C. Cyton
D. Excron
II) The network of the capillaries in Bowman's capsule is called a -----------------
A. Malpighian body
B. cup
C. Henle’s loop
D. glomerulus
III) Proper coordination between various systems of an organism helps to maintain a state of equilibrium called -----------------
A. homeostatus
B. statism
C. balance
D. perfection
IV) The long tubular cavity of the spinal cord is called the ------------- ----- canal.
A. spinal
B. nerve
C. central
D. middle
V) -------------------------- supplies nutrients to the central nervous system and protect it from shock.
A. Blood cells
B. Cerebrospinal fluid
C. Muscular system
D. Lymphatic circulation
VI) The ---------------------- continues downwards as the spinal cord.
A. cerebral hemispheres
B. medulla oblongata
C. corpora quadrigemina
D. crura cerebri
2. Whether the following statements are True or False
A. Latex of rubber is useful substance for the plants.
B. Kidneys in the human being is the only excertory organ in the body.
C. The write kidney is on the upper side then the left kidney.
D. Control of voluntary movement is done by cerebrum.
3. Name the following
A. The neurons that perform the function of integration in the nervous system.
B. The part of the brain that occupies two-third of the area.
C. The thread like fibrous structure at the end of the spinal cord
D. Centre of coordination of reflex actions.
E. Three parts of nervous system
4. Write notes on-
A. Nerve cell
B. Human brain
C. Spinal cord
D. Dialysis of blood
5. Draw and label the diagrams.
Human brain, Nephron, Nerve cell, Human excretory system, V.S. of kidney
6. Answer the following.
Explain the difference between the excretory system of humans and plants.
7. Explain in your own words with suitable examples.
What is meant by co-ordination?
How does excretion occur in human beings?
How is excretion in plants useful to human beings?
8. Activity
Collect information about the evolution of the brain of vertebrates and present it in the classroom.
Collect the information to justify the statement ‘Human beings are intelligent and different from other animals’ and present it in the classroom.