Earlyface

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BIOLOGY PRACTICAL ANSWERS
(1ai)
A - Neck
B - Chest
C - Upper abdominal region of the body

(1aii)
A - It aids the odontoid process of the head
B - It aid the attachment of ribs
C - It bears majority of body weight

(1bi)


(1bii)
(i) Neural canal; It allows the passage of the spinal cord
(ii) Centrum; It is a solid piece of bone found below the neural canal
(iii) Transverse process; It aids the attachment of muscle and ligaments
(iv) Neural spine; The aids the attachment of muscles

(1ci)
A - 7
B - 12
C - 6

(1cii)
(i)Sacral vertebrae
(ii) Caudale vertebrae
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(4ai)
Phylum
L - Arthropoda
M - Arthropoda

(ii)
Class
L - Insecta
M - Insecta

(4bi)
(i)They have an exoskeleton or a hard, shell-like covering on the outside of its body.
(ii)Insects have three main body parts: head, thorax, and abdomen.
(iii)Insects have a pair of antennae on top of their heads.

(4bii)
(i)myriapods
(ii)arachnids
(iii)crustaceans

(4ci)
L
(i)moveable head
(ii)stagnant water

M
(i)oversized compound eyes
(ii)grasslands

(4cii)
(i)Controlled by Mosquito Traps
(ii)Controlled by Space sprays
(iii)Controlled by Mechanical Barriers
(iv)Controlled by
Vegetation Management.
(v)Controlled by outdoor measures.

(4d)
TABULATE PLS

- H (ADULT MOSQUITO)
(i) Smaller in size
(ii) A Pair of wings
(iii) Absence of hard hind wings
(iv) Absence of maxillary palp/maxilla
(iv) Absence of spines on legs

- M(BUTTERFLY)
(i) Big in size
(ii) Two pairs of wings
(iii) Presence of hard hind wings
(iv) Presence of maxillary palp/maxilla
(v) Presence of spines on legs
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BIOLOGY PRACTICAL SPECIMEN AND INSTRUCTIONS TO THE SCHOOL