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WorksheetsNutrition, Respiration and Excretion
Total questions: 20
Worksheet time: 10mins
An artificial kidney is a device to remove________from the blood through dialysis process.
glucose
protein
nitrogenous wastes
Artificial kidney is similar to the function of kidney but it is different since there is no __________involved.
Absorption
reabsorption
filteration
The filtration units in each kidney is called as_______
Nephron
Neuron
Alveoli
The cup shaped part of nephron that collects filtrate is called________
glomerulus
Bowman's capsule
Henle's loop
Some of the substances in the initial filtrate in Bowman's capsule such as glucose, ________, salts,and water are reabsorbed as the urine flows along the tube.
urea
uric acid
aminoacids
Urine formed in each kidney enters a long tube called ______which connects the kidneys with the urinary bladder
Urethra
Ureter
Urinary bladder
Artificial kidneys have tubes with _________lining suspended in a tank filled with dialysing fluid whose concentration is the same as that of blood, but without nitrogenous waste.
semi permeable
permeable
impermeable
Normally in a healthy adult the initial filtrate in the kidneys is about _______litres daily
150
120
180
2
In a healthy adult normally the volume of urine actually excreted is only _________litre a day, the remaining is reabsorbed in the kidney tubules.
one or two
5 or 6
180
Kidneys are present in __________ in our body on either side of backbone.
Abdomen
Chest
stomach
In human beings the air passing through nostrils is filtered by__________lining the passage
Filter paper
Alveoli
fine hairs and mucus
Rings of cartilage present in our throat ensure that the air passage does not __________
expand
collapse
dissolve
Smoking destroys______of respiratory tract due to which germs, dust, smoke and other harmful chemicals enter lungs and cause cancer, cough and infections
blood
WBC
cilia
The balloon like structures found inside lungs are called______
nephrons
Alveoli
bronchi
When we breathe in ,we _______our ribs and ________our diaphragm and the chest cavity becomes larger as a result.
lift, flatten
lower, raise
flatten, flatten
The blood brings _____from the rest of the body for release into the alveoli, which is breathed out.
Nitrogen
Oxygen
Carbon dioxide
In human beings the respiratory pigment is ________which has affinity for oxygen and so helps in taking up this gas from the air and carrying it to tissues.
chlorophyll
haemocyanin
haemoglobin
Salivary amylase breaks down _______into sugar
starch
proteins
fats
Gastric glands produces a protein digesting enzyme called ___________that gets activated by hydrochloric acid.
Trypsin
Lipase
Pepsin
The pancreatic juice enzymes such as trypsin, lipase and amylase requires alkaline medium to become active.________juice helps in making the food coming from stomach alkaline.
Pancreatic
Gastric
Bile
