50 practice sets · Page 2 of 3
ln order for the blood to flow from right ventricle to left ventricle in mammalian heart, it must flow through
Right ventricle pulmonary arteries, lungs, pulmonary veins, left atrium
Right ventricle, pulmonary veins, lungs, pulmonary arteries, left atrium
Right ventricle, right atrium, lungs, pulmonary veins, left atrium.
Right ventricle, systemic aorta, pulmonary veins, left atrium
Lactic acid is a...............carbon molecule
Three
four
five
six
In human beings, the respiratory pigment is
Hemoglobin
insulin
enzyme
none of the above
Haemoglobin is present in
Red blood corpuscles
White blood corpuscles
Plasma
None of the above
Glucose is a................carbon molecule
Four
five
six
seven
Gastric glands release ............, a protein digesting enzyme called pepsin, and mucus
Sulphuric acid
hydrochloric acid
nitric acid
none of the above
Following used in photosynthesis is taken up from the soil by the roots in terrestrial plants
water
nitrogen
magnesium
all of the above
Following is true for tissue fluid or lymph
It is similar to the plasma of blood
It is colorless
It contains less protein
All of the above
Following is true for plants
Plants have low energy needs
The xylem moves water and minerals obtained from the soil
Phloem transports products of photosynthesis from the leaves to other parts of the plant
All of the above
Following is true for heterotrophs
Heterotrophs survival depends directly or indirectly on autotrophs
Heterotrophic organisms include animals and fungi
In heterotrophs, complex substances have to be broken down into simpler ones
All of the above
Following is true about lungs
Within the lungs, the passage divides into smaller and smaller tubes
The lungs always contain a residual volume of air so that there is sufficient time for oxygen to be absorbed
Both A and B
None of the above
Following is true
is removed from the blood in the lungs
Nitrogenous waste such as urea or uric acid are removed from blood in the kidneys
The purpose of making urine is to filter out waste products from the blood
All of the above
Following is (are) true about heart
Oxygen-rich blood from the lungs comes to the left atrium
De-oxygenated blood comes from the body to the upper chamber on the right, the right atrium, as it relaxes.
Valves ensure that blood does not flow backwards when the atria or ventricles contract
All of the above
Following has to be transported by the blood
Oxygen
carbon dioxide
both A and B
none of the above
Following has shorter small intestine
Herbivores
carnivores
both A and B
none of the above
Following are autotrophs
Green plants
Some bacteria
Enzymes
Both A and B
Examples of some organism(s) break-down the food material outside the body and then absorb it
fungi
yeast
mushrooms
all of the above
Example(s) of some organisms which derive nutrition from plants or animals without killing them
cuscuta
ticks
leeches
all of the above
Each kidney has large numbers of filtration units called
Nephrons
glomerulus
renal vein
none of the above
Digestion is extracellular in
Animals
Human
Amoeba
All the above
