the addition of common salt
boiling for one hour
heating to 75oc for 20 minutes
the addition of vinegar
heating to 100oc for 12 hours
Correct answer is C
No explanation has been provided for this answer.
Which one of the following animals is NEVER a secondary host of tapeworms?
cow
Fish
Pig
Man
Dog
Correct answer is D
No explanation has been provided for this answer.
The vacuole of a plant cell is
a large empty space
smaller than that of animal cell
filled with air
an ordinary vacuum
surrounded by a membrane
Correct answer is E
No explanation has been provided for this answer.
One of the following statement is NOT true of spirogyra
it is a simple multicellular plant
during conjugation, its gametes, which are structurally and physiologically similar, fuses to form a zygote
it possesses spiral chloroplast which enables the plant to photosynthesize
its cells are protected externally by layer of mucilage
there are pyrenoids along the chloroplast
Correct answer is B
No explanation has been provided for this answer.
In Mucor or Rhizopus carbohydrate is absorb in the form of
starch
sucrose
glucose
glycogen
arabinose
Correct answer is C
No explanation has been provided for this answer.