NAVAS CHEEMADAN
HIGHER SECONDARY EXAMINATION
ZOOLOGY PRACTICE EXAM
ANSWER KEY-ANIMAL KINGDOM
Qn Scoring Key Score
I. Answer any 3 questions from 1-5. Each carries 1 score.
1 a)Placoid scales 0.5
b)Radial symetry 0.5
2 Stomochord 1
3 a)Cnidoblast 0.5
b)Cnideria 0.5
4 b)Echinodermata 1
5 b)Coelenterata-metameric segmentation 1
II Answer any 9 questions from 6-16. Each carries 2 score.
6 a)Class-Cyclostomata 0.5
b)Class-Reptilia 0.5
c)Class-Aves 0.5
d)Class-Amphibia 0.5
7 A-Chondrichthyes B-Class – Osteichthyes 1
0.5
0.5
(Any two difference )
8 Column A Column B
Porifera Water Canal system 0.5
Aschelminthes Pseudocoelomate 0.5
Annelida Nephridia 0.5
SOHSS AREEKODE
HIGHER SECONDARY EXAMINATION
ZOOLOGY PRACTICE EXAM
ANSWER KEY-ANIMAL KINGDOM
Qn Scoring Key Score
I. Answer any 3 questions from 1-5. Each carries 1 score.
1 a)Placoid scales 0.5
b)Radial symetry 0.5
2 Stomochord 1
3 a)Cnidoblast 0.5
b)Cnideria 0.5
4 b)Echinodermata 1
5 b)Coelenterata-metameric segmentation 1
II Answer any 9 questions from 6-16. Each carries 2 score.
6 a)Class-Cyclostomata 0.5
b)Class-Reptilia 0.5
c)Class-Aves 0.5
d)Class-Amphibia 0.5
7 A-Chondrichthyes B-Class – Osteichthyes 1
0.5
0.5
(Any two difference )
8 Column A Column B
Porifera Water Canal system 0.5
Aschelminthes Pseudocoelomate 0.5
Annelida Nephridia 0.5
SOHSS AREEKODE
