MCQOPTIONS
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MCQOPTIONS
This section includes 9 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 among the following is incorrect about nervous system in Nematodes? |
| A. | Nerve ring made of four ganglia serves as brain |
| B. | Nerve chords are present on the dorsal and ventral side of their body |
| C. | Dorsal nerves act as sensory nerves of the body |
| D. | Ventral nerves act as both motor controllers and sensory nerves of the body |
| Answer» D. Ventral nerves act as both motor controllers and sensory nerves of the body | |
| 2. |
Which among the following is incorrect about nervous system in Annelids? |
| A. | Each segment has ganglia that help in the muscular movements |
| B. | They have two ventral nerve chords throughout the body |
| C. | Specialized sensory receptors to help in sense of touch and light |
| D. | The pigmented photo receptors are called Oceli |
| Answer» E. | |
| 3. |
Arthropods excrete through ___________ |
| A. | Malpighian tubules |
| B. | Pores |
| C. | Nephridia |
| D. | Kidneys |
| Answer» B. Pores | |
| 4. |
Which among the following is incorrect about Annelids? |
| A. | The name Annelids is derived from the word Annulus which means small ring like structure |
| B. | Some of these organisms are dioecious while few others are monoecious |
| C. | The level of organization in these organisms is organ level of organization |
| D. | The circulatory system is of open type |
| Answer» E. | |
| 5. |
Ganglia fuse to form brain in Arthropods. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which among the following is not correct about Arthropods? |
| A. | Their body consists of three parts, namely, head, thorax and abdomen |
| B. | Their respiratory organs can be either lungs or gills |
| C. | Their digestive system is complete with mouth, esophagus, intestines and rectum |
| D. | They have a heart and blood vessels to supply blood to the organs of the body |
| Answer» E. | |
| 7. |
Which among the following is incorrect about reproduction in Arthropoda? |
| A. | They are dioecious |
| B. | Internal fertilization takes place in the case of terrestrial arthropods |
| C. | These are mostly viviparous organisms |
| D. | Development of embryo is either direct or indirect |
| Answer» D. Development of embryo is either direct or indirect | |
| 8. |
Which among the following statements is incorrect about Arthropoda? |
| A. | Their Exoskeleton is made of chitin which helps them from extreme conditions |
| B. | They are triploblastic, segmented and hemocoelomate animals |
| C. | Some of these animals are dioecious and others are monoecious |
| D. | Internal fertilization is seen in terrestrial animals and external fertilization is noticed in aquatic animals |
| Answer» D. Internal fertilization is seen in terrestrial animals and external fertilization is noticed in aquatic animals | |
| 9. |
Which among the following is incorrect about Arthropoda? |
| A. | This is the second largest phylum of Animalia Kingdom |
| B. | They have jointed legs due to which they are named Arthropoda |
| C. | Their jointed legs help them in fast mobility |
| D. | Their body is bilaterally symmetrical |
| Answer» B. They have jointed legs due to which they are named Arthropoda | |