Wednesday, October 28, 2020

2017 March | HSE +1 Exam | Zoology Question Paper

2017 MARCH (+1) 
PART B: ZOOLOGY

1. Select the correct sequence of taxonomic hierarchy. (1)

a) Kingdom → Phylum → Class → Order → Genus → Family → Species
b) Kingdom → Phylum → Order → Class → Family → Genus → Species
c) Kingdom → Phylum → Class → Order → Family → Genus → Species
d) Kingdom → Class → Phylum → Family → Order → Species → Genus 

2. In cockroach spiracles are present in .............. (1)

a) Alimentary canal
b) Tracheal system
c) Malpighian tubules
d) Reproductive system

3. Complete the given branching diagram based on connective tissue. (2)


4. Match the items in columns B and C with A. (3)

A

B

C

Phylum/class

Common example

Unique feature

Pisces

Aedes

Presence of hair

Mammalia

Leech

Open circulatory system

Arthropoda

Felis

Presence of two chambered heart

 

Scoliodon

Presence of nephridia


OR 

Features of different phyla/ class are given below. Identify the phylum/class and give examples of each group.

a) Body is covered by scales, heart is three or four chambered. They respire through lungs.
b) They are exclusively marine, commonly called sea walnuts and shows bioluminescence.
c) Body is divided into proboscis, collar and trunk. They have open circulatory system and presence of proboscis gland. (3)

5. Among the different phyla of animals ....................... have pseudocoelom. (1)

6. Categorize the following animals under radial symmetry and bilateral symmetry.

Physalia, Tapeworm, Fasciola, Adamsia (2) 

7. Differentiate the process inspiration & expiration. (2) 

Inspiration

Expiration

……………………

………………………

…………………

……………………


8. a) Observe the diagram and label A and B.


b) Dental formula of permanent teeth in man is ……… (2) 

i)  2122/2122
ii)  2123/2123
iii) 2102/2102
iv)  2122/2022

9. Identify the given biomolecules. (3)


 
10. Select the wrongly matched pair from the following: (1)

Collagen

Intercellular ground substance

Insulin

Hormone

Antibody

Sensory reception

Trypsin

Enzyme

  
11. Complete the following chart showing structure of myosin filament and its protein based on the hints given in the brackets. (2)

(Light meromyosin, Actin, Tropomyosin, Meromyosin) 


12. Answer the following:

a) Cerebral hemispheres of human brain are connected by ...................  (1) 

i) association area
ii) corpus callosum
iii) corpora quadrigemina
iv) pons varolii 

b) Observe the diagram and label A, B, C and D. (2)


13. Complete the table. (2) 

Endocrine gland

Hormone

Functions

Heart

….(A)……

Decreases blood pressure

Pancreas

Insulin

……….(B)……

….(C)…

Erythropoietin

Stimulates erythropoiesis

Thymus

…..(D)….

Gives immunity


14. a) Select the correct statement regarding with ECG of man. (1)

i) P-wave represents auricular repolarization
ii) P-wave represents ventricular repolarization
iii) P-wave represents auricular depolarization
iv) P-wave represents ventricular depolarization

     b) observe the diagram and label A, B, C & D. (2) 


15. Prepare two matching pairs from the given list of animals and excretory organs. (2) 

Animals

Excretory organs

a)

Prawn

i)

Nephridia

b)

Cockroach

ii)

Antennal gland

c)

Earthworm

iii)

Flame cells

 

 

iv)

Kidneys


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