2018 MARCH (+1)
PART A: ZOOLOGY
Answer all questions from questions numbers 1 to 3. each carry one score. (3 X 1=3)
1) Rearrange the following taxonomic categories in the correct sequence.
2) Note the relationship in the first pair and then complete the second pair.
3) The innermost layer of the eyeball is ……………
Answer any nine from questions numbers 4 to 14. Each carries two score. (9 X 2 = 18)
4) The molecular structure of 2 amino acids are given below. Name them.
5) Arrange the following terms under two headings based on symmetry.
6) a) Expand GFR.
b) Even though GFR in healthy person is 180 liters per day, the amount of urine released per day is only about 1.5 liters. Give a reason.
7) Select the bones of the leg from the given list of bones.
8) Name the following:
9) Observe the diagram showing the alimentary canal of cockroach.
1) Rearrange the following taxonomic categories in the correct sequence.
Kingdom← Class← Phylum ← Genus ← Family ← Order ← Species
2) Note the relationship in the first pair and then complete the second pair.
Osteichthyes: cycloid scalesChondrichthyes: ………...
3) The innermost layer of the eyeball is ……………
a) Choroidb) Irisc) Retinad) Sclera
Answer any nine from questions numbers 4 to 14. Each carries two score. (9 X 2 = 18)
4) The molecular structure of 2 amino acids are given below. Name them.
Arthropods, Ctenophores, Molluscs, Coelenterates
6) a) Expand GFR.
b) Even though GFR in healthy person is 180 liters per day, the amount of urine released per day is only about 1.5 liters. Give a reason.
7) Select the bones of the leg from the given list of bones.
Humerus, Tibia, Radius, Femur, Tarsals, Ulna, Fibula, Carpels
8) Name the following:
a. The antibacterial enzyme present in the saliva of man which helps in prevention of infection.b. The digestive enzyme present in saliva.
9) Observe the diagram showing the alimentary canal of cockroach.
Name the parts labelled A, B C and D.
10) Diagrammatic representation of a standard ECG is given:
10) Diagrammatic representation of a standard ECG is given:
a. What does the QRS complex denotes?b. Mention the clinical significance of ECG.
11) Distinguish between the following:
a. IRV and ERVb. IC and EC
12) Complete the given flowchart.
a. Dwarfismb. Diabetes mellitusc. Cretinismd. Diuresis
14) Identify the following tissues:
a. Tissue that stores fatb. Tissue that connects bones togetherc. Tissue that connects bones to musclesd. Tissue that conducts impulses
Answer any three from questions numbers 15 to 18. Each carries three score. (3 X 3 = 9)
15) Match the terms in column A with those in column B & C.
|
A |
B |
C |
|
a) Neutrophils |
2 – 3% |
Immune response |
|
b) Eosinophils |
20 – 25% |
Phagocytic |
|
c) Lymphocytes |
60 – 65% |
Allergic reaction |
16) a) Complete the diagrammatic representation showing the nature of enzyme action:
b) List out any two factors affecting enzyme activity.c) Based on the reaction formulae given below, identify the classes of the enzymes.
a. Name the enzymes marked as A and B.b. Identify the gland which secrete these enzymes.c. Write the inactive form of the enzymes A and B.
18) a) A table showing examples of vertebrates given below. But some of the examples are wrongly given. Identify and rearrange it.
|
Pisces |
Amphibia |
Reptilia |
Aves |
Mammalia |
|
Dogfish |
Frog |
Vulture |
Penguin |
Alligator |
|
Blue whale |
Rohu |
Tortoise |
Salamander |
Flying fox |