Digestive System of Earthworm (Probable & Past Year questions) - NECO

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Digestive System of Earthworm (Probable & Past Year questions)

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Digestive System of Earthworm (Probable & Past Year questions)

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Question 1 of 21

1. Question
Which one of the following is lined by cuticle?
- Pharynx
- Intestine
- Gizzard
- Stomach
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Question 2 of 21

2. Question
Which muscles are present in Gizzard
- Circular muscle
- Longitudinal muscle
- Oblique Muscle
- All of the above
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Question 3 of 21

3. Question
Which segment of earthworm doesn't contain septum?
- 1 to 4
- 14 to 16
- 17 to 19
- 21 to 26
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Question 4 of 21

4. Question
Gizzard of an earthworm serves for [MOE 2070]
- crushing food
- excretion
- secreting slime
- absorbing digested food
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Question 5 of 21

5. Question
Buccal cavity extends between
- pharynx and oesophagous
- stomach and intestine
- stomach and gizzard
- mouth and pharynx
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Question 6 of 21

6. Question
Buccal cavity lies in
- 1st segment
- 1st to 3rd segment
- 1st to middle of 3rd segment
- 2nd segment
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Question 7 of 21

7. Question
Pharynx lies in
- 2nd segment
- 3rd segment
- 4th segment
- middle of 3rd segment to 4th segment
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Question 8 of 21

8. Question
Stomach of earthworm lies in
- 7 to 9 th segment
- 9th seg to 14th segment
- 15th segment to last segment
- 1st to 4th segment
Correct

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Question 9 of 21

9. Question
Typhlosole in earthworm is present in
- stomach
- pharynx
- Intestine
- Gizzard
Correct

Incorrect
Question 10 of 21

10. Question
Porphyrin of earthworm is found in
- Cuticle
- Epidermis
- Circular muscle
- Longitudinal muscle
Correct

Incorrect
Question 11 of 21

11. Question
Answer the following questions by studying given figure

A, B and C represents
- A - Pharynx, B - Buccal cavity, C - Oesphagous
- A - Buccal cavity, B- Gizzard, C - stomach
- A - Gizzard, B - Pharynx, C - stomach
- A - Buccal cavity, B - Pharynx, C - oesophagous
Correct

Incorrect
Question 12 of 21

12. Question
Typhlosole lies
- on ventral surface of intestine
- on inner dorsal surface of intestine
- on upper dorsal surface of intestine
- on dorsal surface of stomach
Correct

Incorrect
Question 13 of 21

13. Question
One very special features in the earthworm is that [AIPMT 2011]
- the typhlosole greatly increases the effective absorption area of the digested food in the intestine.
- the S - shaped setae embedded in the integument are the defensive weapons used against the enemies.
- it has a long dorsal tubular heart
- fertilization of egg occurs inside the body
Correct

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Question 14 of 21

14. Question
Drag and drop in front of best matches
Sort elements
- Peristomium
- 1 to middle of 3rd segment
- Middle of 3rd segment to 4th segment
- from 5th seg to 7th segment
- 8th segment
- 9 to 14
- 15 to last segment
- Mouth
- Buccal cavity
- Pharynx
- Oesophagous
- Gizzard
- Stomach
- Intestine
Correct

Incorrect
Question 15 of 21

15. Question
In earthworm, Septa are absent in segments [IOM 2006]
- 8 - 12
- 17 - 21
- 1 - 4
- 14 - 26
Correct

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Question 16 of 21

16. Question
Arrange the following parts of alimentary canal of Earthworm from anterior to posterior part.
- Stomach
- Intestine
- Anus
- Gizzard
- Oesophagus
- Buccal cavity
- Pharynx
- Mouth
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Question 17 of 21

17. Question
Calcium is secreted by
- Intestinal caecum
- Pharyngeal mass
- Intestinal gland
- calciferous Gland of stomach
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Question 18 of 21

18. Question
The function of typhlosole in earthworm is
- to secrete enzyme for digestion
- to increase surface area for absorption
- to change shape of intestine.
- to modify function of enzyme.
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Question 19 of 21

19. Question
Typhlosole is present in
- Buccal cavity
- Pharynx
- Stomach
- Intestine
Correct

Incorrect
Question 20 of 21

20. Question
Calciferous Gland is located in
- Stomach
- Pre typhlosolar intestine
- Typhlosolar intestine
- Post typhlosolar intestine
Correct

Incorrect
Question 21 of 21

21. Question
Churning organ of Earthworm is
- Buccal cavity
- Pharynx
- Gizzard
- Stomach
Correct

Incorrect

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