REAL AND CONFIRM BIOLOGY
1ai rat.
B) earthworm.
C) spider.
d snail.
E. Weevil
1aiii) mammalia.
B. Annelida.
c. Arachnida.
D. Mollusca.
1aiv) it has hairs.
B. It has chitellum.
C. It has eight legs.
D. It has a mouth part modified for boring .
1bi) = it has eight legs.
wings absent.
= the body is divided into two parts.
=the phylum is arachinda
2ai.obser) no visible reaction.
Infer.
Starch absent.
obser
yellow precipitate is obsvered .
Infer
sucrose present. Obser
red precipitate occur.
Infer protain is present
2aii) R= Benedict solution *s = iodine reagent .T millon’s reagent
2bi) egg albumen.
2bii) glucose solution.
2biii) sucrose solution.
3ai) M-Dry pod of barbados, N-guava fruit,O-orange fruit, ,P-mango,Q-dry okro fruit
3bi) O: many seeds, fused pericarp. P: only one seed, separated pericarp.
3bii)it is portioned, it is capsule.
3biv)it is used as a source of food.
3ai) N – guava fruit
O – orange fruit
P – mango fruit
Q – dry okoro fruit
3aii) M – By man
N – By bird
O – By flood
P – By man
Q – By wind
2ci)
NAME) J= molar tooth.
(J REASON) it has broad surface.
(K.NAME)= Incissors.
(K.REASON) =it is chisel-like in struture.
(L.NAME)= Canin e.
(L.REASON)= it is conical.
2cii) J=for chewing and grinding of food.
K= for cutting of food.
L= for tearing of food.
2ciii)(spacismen L) = canine.
2civ) diastema.
