What happens to the useful substances that move into the glomerulus along with nitrogenous waste?
What happens to the useful substances that move into the glomerulus along with nitrogenous waste?
Ans: –The blood capillaries are useful for the movement of the substance into the glomerulus along with the nitrogenous waste.
Name the organ of the excretory system, which stores urine before its removal from the body.
Ans: – The urinary bladder stores the urine before its removal from the body.
TERMINAL EXERCISES
1) Multiple choice type questions.
i.) Rickets is caused due to deficiency of:
a) Iron
b) Vitamin D
c) Proteins
d) Carbohydrates.
Ans: – Option(b).
ii.) One gram of a substance was oxidized. The energy released amounted to9.0Kcal. The substance was of the type:
a) Carbohydrates
b) Fats
c) Vitamins
d) Proteins.
Ans: – Option(b).
iii.) A person living in the hilly regions of Shimla developed swelling in his neckregion. The doctor said his thyroid gland got swelled up. Name the nutrient deficient in his diet.
a) Calcium
b) Iron
c) Phosphorus
d) Iodine.
Ans: – Option(d).
iv.) The vitamin that helps in the clotting of blood is:
a) Vitamin A
b) Vitamin D
c) Vitamin E
d) Vitamin K.
Ans: – Option(c).
V) In human beings, gas exchange between the environment and the body takes place in the :
a) larynx
b) bronchi
c) alveoli
d) trachea.
Ans: – Option(c).
vi.) RBCs of human beings who live in high altitude regions:
a) increase in number
b) decrease in number
c) decrease in size
d) increase in size.
Ans: – Option(a).
vii.) Lungs have a large number of alveoli for:
a) maintaining a spongy texture and proper shape.
b) more surface area for diffusion of gases.
c) more nerve supplies.
d) more space to increase volume of inspired air.
Ans: – Option(d).
viii.) The main function of lymph is to:
a) transport O2to the brain.
b) transport CO2to lungs.
c) return interstitial fluid to blood.
d) return RBCs and WBCs to lymph vessels.
Ans: – Option(d).
2.) Name the following.
i)A fluid that transports fatty acid and glycerol.
Ans: – Blood is the fluid that transport fatty acid and glycerol.
ii.) The valve present in between the chambers on the right side of the human heart.
Ans: – The valve present in between the chambers on the right side of the human heart is pulmonary valve.
iii.) The respiratory pigment present in RBCs.
Ans: – Haemoglobin is pigment of respiratory in RBC.
iv.) The iron containing pigment in RBCs.
Ans: – Haemoglobin.
v.) The phase of cardiac cycle in which the auricles contract.
Ans: – In atrial systole is phase of cardiac cycle in which the auricles contract.
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