The excretory product of some reptiles, birds, and insect...
The excretory product of some reptiles, birds, and insects is
urea
urine
ammonia
uric acid
Correct answer is D
No explanation has been provided for this answer.
Root hairs absorb water from the soil by ...
The small masses of nervous tissues in which many neurones have their nuclei are called ...
Which of these substance is likely to be deficient in the diet of a person having goitre? ...
Which of the following diseases is commonly observed in human males and is sex-linked? ...
The lowest unit of classification is the ...
The mineral needed for the formation of haemoglobin is ...
The very bright colours in some types of mushroom ...
What is the genetic ratio of a cross between homozygous tall plant and a homozygous dwarf plant? ...