Tamil Nadu Board Class 11 Zoology Practical

Practicals play an important role in developing the knowledge of a student. It helps them to understand the concepts of subjects more efficiently. Whatever students learn via practicals will remain with them for a longer time as they imbibe it by actual participation.

Below, we have provided all the information about the Tamil Nadu Board Class 11 Zoology Practical.

Download Tamil Nadu Board Class 11 Zoology Practical PDF

TN Board has provided the list of Science experiments that class 11 students need to perform in the laboratory. Further, we have also provided information on the lab manual, important questions asked in practical exams and list of experiments. In order to get maximum benefit and good training it is necessary for students to follow the general instructions as well as adopt the precautionary safety measures mentioned in the manual.

Tamil Nadu Board Class 11 Zoology Practical- Content

I Identify the given animal ‘A’ (picture/specimen) and write any 2 diagnostic features
with diagram.

QUESTION NO-I (A)

S.No.

List of Slides/Specimens

Page No.

1

Spongilla

1

2

Sea Anemone

1

3

Tapeworm

2

4

Ascaris

3

5

Earthworm

3

6

Cockroach

4

7

Pila

5

8

Starfish

5

9

Balanoglossus

6

10

Amphioxus

7

11

Ascidia

7

12

Shark

8

13

Seahorse

9

14

Frog

10

15

Calotes

10

16

Pigeon

11

17

Rat

12

II. Identify the given animal tissue ‘B’ (slide/photograph/picture) and give any 2 comments with diagram.

QUESTION NO-II (B)

S.No

List of Slides/Pictures/Photograph

Page. no

1

Squamous Epithelium

13

2

Columnar Epithelium

13

3

Cardiac Muscles

14

4

Smooth Muscles

14

5

Adipose Tissue

15

6

RBC

15

7

WBC

16

III. Identify and comment on the given bone/joint ‘C’.

QUESTION NO-III (C)

S.No

List of Slides/Pictures/Photograph

Page. no

1

Humerus

17

2

Pectoral girdle

17

3

Pelvic girdle

18

4

Part of the Skull

(Occipital, Frontal, Temporal, Parietal)

18

5

Rib cage (True ribs, Pseudo ribs, False ribs)

19

6

Ball and Socket joint

19

7

Pivot joint

20

IV. Identify the deficiency disease/disorder ‘D’ in the given picture/photograph and write any 3 symptoms.

QUESTION NO-IV (D)

S.No

List of Slides/Pictures/Photograph

Page no

1

Addison’s disease

21

2

Gigantism

21

3

Marasmus

22

4

Rickets

22

5

Exopthalmic Goitre

23

V. Identify the Medical instruments ‘E’ and write any 3 significance.

QUESTION NO-V (E)

1

Sphygmomanometer

24

2

Stethoscope

24

3

Glucometer

25

4

ECG

25

5

CT Scan

26

6

Ultrasonography

26

VI. Identify the given sample solution ‘F’ for the presence/activity of salivary amylase/ammonia/urea.

QUESTION NO-VI (F)

S. No

List of Experiments

Page No.

1

Test for Ammonia

27

2

Test for Urea

27

3

Test for Salivary Amylase

27

VII. Observe and write about the given ‘G’ experiment / specimen / picture.

QUESTION NO-VII (G)

S.No

List of Experiments

Page No

1

Determine Your Eye Dominance

28

2

Determine Your Blind Spot

28

3

Identify the sex of cockroach (using hand lens)

29

4

Clitellum of earthworm (using hand lens)

29

VIII. Identify the photograph / picture ‘H’ and write its economic importance

QUESTION NO-VIII (H)

S.No

List of Experiments

Page No

1

Kangayam bull

30

2

Aquaponics

30

3

Honey bee

31

4

Bombyx mori

31

Tamil Nadu Board Class 11 Zoology Practical – Model Questions

MODEL QUESTIONS

CLASS: 11 TIME: 2½hours

Marks: 15

I. Identify the given animal ‘A’ (picture/specimen) draw and write any 2 diagnostic features. = (2)

II. Identify the given animal tissue ‘B’ (slide/photograph /picture) and write any 2 comments with diagram = (2)

III. Identify and comment on the given bone/joint ‘C’. = (1½)

IV. Identify the deficiency disease / disorder in the given picture/photograph “D”. Write any three symptoms. = (2)

V. Identify the medical instrument “E” and write any three significant points. = (2)

VI. Identify the given sample solution ‘F’ for the presence/activity of Ammonia/Urea/Salivary amylase (Any one). = (3)

VII. Observe and write about the given experiment / specimen / picture ‘G’. = (1)

VIII. Identify the photograph / picture and write its economic importance ‘(H)’ = (1½)

Tamil Nadu Board Class 11 Zoology Practical – Marks Allotment

MARKS 15

I. Identification – ½; Diagram – ½ ; = (2)

Diagnostic features (any 2 points) -1

II. Identification – ½; Comments (any 2 points) – 1 = (2)

Diagram – ½

III. Identification – ½; Comments – 1 (any two points) = (1½)

IV. Identification – ½; Symptoms – 1½ (any three points) = (2)

V. Identification – ½; Significance – 1½ (any three points) = (2)

VI. Procedure – 1; Experiment- 1 ; Result – 1 = (3)

VII. Procedure and Result = (1)

VIII. Identification – ½, ;Economic importance – 1 (any two points) = (1½)

NOTE: Any relevant points, diagnostic features and comments apart from those provided in the practical manual must also be considered for evaluation.

Students can find detailed information about the Class 11 Zoology practical with the list of experiments, identification, reasons for identification or the aim, principle, process, observation, inference and so on from the downloadable link given in the article.

For any further updates about TN Board Class 11, students can reach out to BYJU’S.