Which of the following essential substances is contained in vegetables?
Chlorophyll
Glucose
Mineral salts
Carbon dioxide
Correct answer is C
No explanation has been provided for this answer.
Which of the following organisms exhibits extracellular digestion?
Moulds
Green plants
Algae
Bryophytes
Correct answer is A
No explanation has been provided for this answer.
I,II, and lll
l, lll, and lV
ll,lll, and lV
l, ll, lll, and IV
Correct answer is C
No explanation has been provided for this answer.
In the test for starch, the leaf is first placed in boiling water to
remove the chlorophyll
dissolved the waxy cuticle
kill and make the leaf permeable
turn it blue-black
Correct answer is C
No explanation has been provided for this answer.
The tail of the sperm fuses with the egg cell
Both tail and head of the sperm fuse with the egg cell
The nucleus of the sperm fuses with the egg cell
The egg cell develops on its own without the sperm
Correct answer is C
No explanation has been provided for this answer.