MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is not true about nephridia in earthworm? |
| A. | They are excretory organs |
| B. | They do not regulate the composition of body fluids |
| C. | They are of three types |
| D. | They regulate the volume of body fluids |
| Answer» C. They are of three types | |
| 2. |
Which of the following is not a type of nephridia present in earthworm? |
| A. | Intestinal |
| B. | Septal |
| C. | Integumentary |
| D. | Pharyngeal |
| Answer» B. Septal | |
| 3. |
What is the excretory organ in earthworm known as? |
| A. | Gizzard |
| B. | Typhlosole |
| C. | Nephridium |
| D. | Setae |
| Answer» D. Setae | |
| 4. |
Respiratory exchange in earthworms takes place through ______ |
| A. | gills |
| B. | mouth |
| C. | body surface |
| D. | lungs |
| Answer» D. lungs | |
| 5. |
Which segments of the earthworm contain the blood glands? |
| A. | 9<sup>th</sup> to 12<sup>th</sup> |
| B. | 16<sup>th</sup> to 18<sup>th</sup> |
| C. | 23<sup>rd</sup> to 25<sup>th</sup> |
| D. | 4<sup>th</sup> to 6<sup>th</sup> |
| Answer» E. | |
| 6. |
Open blood vascular system is present in Pheretima. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What is the function of typhlosole in earthworm? |
| A. | Mechanical breakdown of food |
| B. | Secretes digestive enzymes |
| C. | Increases the surface area for absorption |
| D. | Excretes waste products |
| Answer» D. Excretes waste products | |
| 8. |
Which segment of the earthworm contains the intestinal caecum? |
| A. | 25<sup>th</sup> |
| B. | 23<sup>rd</sup> |
| C. | 24<sup>th</sup> |
| D. | 26<sup>th</sup> |
| Answer» E. | |
| 9. |
Which segments of the earthworm contain the stomach? |
| A. | 9<sup>th</sup> to 14<sup>th</sup> |
| B. | 23<sup>rd</sup> to 25<sup>th</sup> |
| C. | 16<sup>th</sup> to 18<sup>th</sup> |
| D. | 5<sup>th</sup> to 8<sup>th</sup> |
| Answer» B. 23<sup>rd</sup> to 25<sup>th</sup> | |
| 10. |
Where are the calciferous glands of the earthworm present? |
| A. | Esophagus |
| B. | Gizzard |
| C. | Stomach |
| D. | Intestine |
| Answer» D. Intestine | |
| 11. |
What is the function of gizzard in earthworm? |
| A. | Secretion of digestive enzymes |
| B. | Grinding soil particles and leaves |
| C. | Absorption of water |
| D. | It is a respiratory structure |
| Answer» C. Absorption of water | |
| 12. |
Identify the correct pathway of food ingested by an earthworm. |
| A. | Mouth Pharynx Esophagus Gizzard |
| B. | Mouth Esophagus Pharynx Gizzard |
| C. | Mouth Esophagus Gizzard Pharynx |
| D. | Mouth Pharynx Gizzard Esophagus |
| Answer» B. Mouth Esophagus Pharynx Gizzard | |
| 13. |
The buccal cavity of the earthworm leads to the _____ |
| A. | gizzard |
| B. | esophagus |
| C. | pharynx |
| D. | anus |
| Answer» D. anus | |
| 14. |
The epidermis of earthworm is made of ______ |
| A. | squamous epithelial cells |
| B. | cuboidal epithelial cells |
| C. | columnar epithelial cells |
| D. | multi-layered squamous epithelial cells |
| Answer» D. multi-layered squamous epithelial cells | |
| 15. |
The body wall of the earthworm is externally covered by ______ |
| A. | mucous |
| B. | capsule |
| C. | epidermis |
| D. | cuticle |
| Answer» E. | |