Dead plants and animals are decomposed by bacteria and fungi into
nitrate
nitrites
amino acids
ammonium
Correct answer is D
When a plant or animal dies or an animal expels waste, the initial form of nitrogen is organic. Bacteria or fungi convert the organic nitrogen within the remains back into ammonium \(NH^{+}_{4}\), a process called ammonification.
The part of the brain that controls heart beat and breathing is the
olfactory lobe
cerebellum
cerebral hemisphere
medulla oblongata
Correct answer is D
No explanation has been provided for this answer.
When a short-sighted person views a distant object without spectacles, the image is formed
on the retina
in front of the retina
behind the retina
on the blind spot
Correct answer is B
The light rays focus just in front of the retina, resulting in distant objects appearing blurred.
The fleshy base of a flower to which the different floral parts are attached is known as
calyx
sepals
Receptacle
hypothalamus
Correct answer is C
No explanation has been provided for this answer.
after fertilization
after every mitotic division
before fertilization
before every mitotic division
Correct answer is D
No explanation has been provided for this answer.