In a dicot leaf, guard cells differ from other epidermal cells because they
have no definite shape
lack nuclei
are smaller
contain chloroplast
lack vacuole
Correct answer is D
No explanation has been provided for this answer.
Root hairs are developed from the
root apex
epidermis of root
vascular bundles
endodermis
pericycle
Correct answer is B
No explanation has been provided for this answer.
The absence of stomata shows that a leaf may be
from a floating plant
from submerged plant
varigated
from a terrestrial plant
from parasitic green plant
Correct answer is B
No explanation has been provided for this answer.
group O only
group A only
group AB only
groups A and O
groups AB and O
Correct answer is A
No explanation has been provided for this answer.
The spores of ferns are dispersed by
wind
water
insects
explosive mechanism
sporophyte
Correct answer is D
No explanation has been provided for this answer.