An example of homeostasis in living organisms is
cooling effect resulting from evaporation of water from the body surface
root hairs of a plant growing towards the source of light
changing of the body colour of chameleon to match the colour of the foliage on which it is resting
the release of phosphorus into the phloem of a plant growing in a phosphorus-deficient soil
Correct answer is D
Homeostasis is a living organism's way of maintaining a stable internal environment even in the event of external environmental changes. When the plant keeps supplying phosphorus to the phloem even in the case of a deficiency in the soil, it maintains a steady balance on its inside irrespective of the lack in the soil.
Which of the following is NOT an excretory product of animals?
carbondioxide
urea
sweat
oxygen
Correct answer is D
Animals take in oxygen in respiratory process, taking out carbondioxide.
Which of the following structures would carry out cellular respiration? A
germinating seed
decolorised leaf
dry leaf
boiled cowpea
Correct answer is A
Germinating seeds respire by using oxygen and producing carbon dioxide gas, they respire in the similar way as animals.
the importance of microelements to plants
ascent of water through the xylem
diffusion of colored substances
distribution of food in plants
Correct answer is C
No explanation has been provided for this answer.
The odontoid process is found on the
axis vetebra
atlas vetebra
thoracic vetebra
sacral vetebra
Correct answer is A
The odontoid process is a projection of the axis vetebra. It is seen at its point of joining with the body.