The yellow color of human urine is due to which substance?
Who discovered bacteria?
In roots, the protoxylem lies towards the periphery and the metaxylem towards the center. This arrangement of primary xylem is called:
Hemoglobin has the highest affinity with which gas?
Which gland in the human body functions as both an endocrine and exocrine gland?
The ______ is the main thinking part of the brain.
The human eye is most sensitive to yellow-green light having wavelength -
Which of the following are examples of infectious diseases?
Which vitamin is often referred to as the 'beauty vitamin'?
An auxiliary bud develops into which part of the plant?