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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