2018 MARCH (+1)
ZOOLOGY: ANSWERS
1) Kingdom← Phylum ← Class ← Order ← Family ← Genus ← Species.
2) Placoid scales.
3) (c) Retina
4) (a) Serine
(b) Alanine
5) Radial symmetry: Coelenterates,
Ctenophores
Bilateral symmetry: Arthropods, Molluscs
6) a) Glomerular Filtration Rate.
b) About 99% of
the filtrate is reabsorbed by the renal tubules (Tubular reabsorption).
7) Tibia, Femur, Tarsals, Fibula
8) (a) Lysozyme
(b) Salivary amylase (Ptyalin).
9) A= Crop
B= Hepatic caecae
C= Malpighian tubules
D= Colon
10) (a) Depolarisation of the ventricle (Ventricular systole).
(b) It is used to find out any deviation in the
functioning of heart.
11) (a) Inspiratory reserve volume (IRV): Additional volume
of air that can inspire by forceful inspiration.
Expiratory reserve volume (ERV): Additional volume of air that can expire by a forceful
expiration.
(b) Inspiratory capacity (IC): Total
volume of air inspired after a normal expiration.
Expiratory capacity (EC): Total volume of air expired after a normal inspiration.
12) (a) Peripheral Neural System (PNS)
(b) Spinal cord
(c) Autonomic Nervous system (ANS)
(d) Parasympathetic.
13) (a) Growth hormone (GH) or somatotropin
(b) Insulin
(c) Thyroxin
(d) ADH (Vasopressin)
14) (a) Adipose tissue
(b) Ligaments
(c) Tendon
(d) Neural tissue
15)
|
A |
B |
C |
|
a) Neutrophils |
60 – 65% |
Phagocytic |
|
b) Eosinophils |
2 – 3% |
Allergic
reaction |
|
c) Lymphocytes |
20 – 25% |
Immune
response |
16) a) (a) EP, (b) P
b) Temperature, pH,
concentration of substrate etc.
c) (i) Oxidoreductases (Dehydrogenases).
(ii) Lyases.
17) (a) A= Chymotrypsin
B= Carboxypeptidase
(b) Pancreas
(c) A= Chymotrypsinogen
B= Procarboxypeptidase
18)
|
Pisces |
Amphibia |
Reptilia |
Aves |
Mammalia |
|
Dogfish |
Frog |
Alligator |
Penguin |
Blue whale |
|
Rohu |
Salamander |
Tortoise |
Vulture |
Flying fox |
b) Class Aves.