Thursday, October 29, 2020

2019 March | HSE +1 Exam | Zoology Question Paper

2019 March (+1) 
PART B: ZOOLOGY

Answer all questions from 1 to 3. Each carry one score. (3 X 1 = 3)

1. Binomial nomenclature was proposed by .......................

2. Tendons and Ligaments are examples of ............. tissue.

a. Areolar
b. Adipose
c. Dense regular
d. Dense irregular

3. ................. is the most abundant protein in the animal world.

Answer any from nine questions 4 to 14. Each carries two scores. (9 X 2 = 18)

4. "All vertebrates are chordates but all chordates are not vertebrates". Do you agree with this statement? Substantiate.

5. Distinguish between

a. Tidal volume and Residual volume
b. Vital capacity and Total lung capacity

6. Observe the figure of the organism given below.


a. Identify the organism.
b. Name the class. in which it belongs.
c. Mention any two salient features of the class.

7. a) Name the following:

i. The carbohydrate splitting enzyme present in human saliva.
ii. The anti-bacterial enzyme present in human saliva.

    b) In which region of the alimentary canal does the following reactions occur?


8. a) Person with 'AB' blood group is called 'universal recepient'. Give a reason,
    b) List out any two disorders of human circulatory system.

9. Complete the flow chart given below:


10. a) Give one word for the following:

i. Presence of Glucose in Urine
ii. Presence of Ketone bodies in Urine

      b) Which human disorder is having the above mentioned two symptoms?

11. Observe the figures given below:


a. Identify figure 'A' and 'B.
b. Name the subunits of 'A' and 'B’.

12. Note the relationship in the first pair and then complete the second pair.

a. Insulin: Hypoglycemic hormone
    ......................: Hyperglycemic hormone.
b. Over secretion of Growth hormone: Gigantism:
    Low secretion of Growth hormone: .........................

13. Observe the diagram A and B given below.


a. What is 'A' and 'B’?
b. Mention the other two levels of protein structure.

14. Classify the following animals on the basis of the mode of nitrogenous waste excretion in the table given below.

Mammals, Birds, Bony fishes, Reptiles, Terrestrial amphibians, Aquatic amphibians

Ammonotelic

Ureotelic

Uricotelic

 

 

 


Answer any three questions from 15 to 18. Each carries three scores. (3 X 3 = 9) 

15. Find the odd one from each group. Justify your answer. 

a. Star fish, Devil fish, Dog fish, Jelly fish
b. Flying fish, Angel fish, Saw fish, Fighting fish
c. Sea lily, Sea cucumber, Sea hare, Sea urchin

16. Prepare a flow chart showing the parts of human brain, by using the details given below. 

Cerebrum, Medulla, Mid brain, Corpora quadrigemina, Hypothalamus, Forebrain, Cerebellum, Hypothalamus, Hind brain, Brain. 

17. Diagrammatic representation of a standard ECG is given below. 


a. Expand ECG. 
b. What does the 'P', 'T' waves denote? 
c. Mention the Clinical significance of ECG. 

18. Match column 'A' with those in columns 'B' and 'C'. 

A

B

C

a.     Type of simple Epithelium

Location

Function

b.     Squamous Epithelium

......... (a) .........

Diffusion

c.     ......... (b) .........

Ducts of glands and tubular parts of nephrons in kidneys

......... (c) .........

d.     Columnar Epithelium

......... (d) .........

Secretion and Absorption

e.     ......... (e) .........

Inner surface of bronchioles and fallopian tubes

......... (f) .........


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