Which of the following has the shortest wavelength?
Infrared rays
Gamma rays
Ultra violet rays
Radio waves
Visible light
Correct answer is B
No explanation has been provided for this answer.
Breathing movement in mammals is accompanied by regular movements of the diaphragm and the
intercostal muscles
vertebral column
clavicle
pleural cavity
floating ribs
Correct answer is A
No explanation has been provided for this answer.
Gaseous exchange takes place in the adult toad through the
buccal cavity, bladder, and lungs
buccal cavity, skin, and lungs
tympanic membrane, lungs, and gills
buccal cavity, skin, and spiracle
gills, skin, and buccal cavity
Correct answer is B
The toads breathe through their mouth, skin, and lungs. The mouth cavity is also referred to as the buccal cavity.
II only
I only
II and III only
I and II only
Correct answer is B
No explanation has been provided for this answer.
Water vapour is lost in plants during transpiration through
stomata and lenticels
xylem and stomata
sclerenchyma and stomata
parenchyma and lenticels
guard cells and lenticels
Correct answer is A
No explanation has been provided for this answer.