Refer to the given dichotomous key and identify P, Q, R, S and T.
I. (A) Propagates vegetatively by natural methods. - Go
to II
(B) Propagates vegetatively by artificial methods. - Go
to IV
II. (A) New plant develops from stem of parent plant. - Go
to III
(B) Roots of parent plant gives rise to new plant. - P
III. (A) Short underground stem covered with fleshy scale
leaves. - Q
(B) Modified underground stems (bearing buds) which
store food and become swollen. - R
IV. (A) Roots develop from young branch bent towards
the ground and covered with soil. - S
(B) It involves placing of stem cutting of one plant
over cut stem (having extensive roots) of other
plant and tying them. - T
AP could be potato whereas R could be garlic.
BT could be coriander whereas S could be
spinach.
CP could be beetroot whereas Q could be turnip.
DQ could be onion whereas S could be
strawberry.
'D' is the answer because I am very intelligent.