Earthworm and Cockroach
| Description: All about earthworm and cockroach | |
| Number of Questions: 15 | |
| Created by: Sara Dalvi | |
| Tags: Earthworm Cockroach Annelid: Earthworm External Morphology of Earthworm Reproductive System External Morphology Amphibian: Frog External Morphology of Frog Circulatory System Respiratory System Nervous System Insect: Cockroach External Morphology of Cockroach |
Where are the genital openings of an earthworm present?
Earthworms burrow in the soil and make it porous. Which of the following names is given to the earthworms because of this?
The body of an earthworm is divided into ___________ metameres.
Which of the following statement(s) is/are incorrect regarding the prostomium? (a) It is present at the anterior end. (b) It is the mouth of the earthworm. (c) It helps to open the cracks of soil. (d) It is sensory in function.
Which of the following statements is not true regarding the muscular gizzard in earthworm?
Which of the following organs is/are present for respiration in an earthworm?
Waste material containing ___________ are removed through nephridia in earthworm.
The ganglia present in earthworm is related to which of the following systems?
Which of the following statements is/are not correct regarding the blood vascular system in an earthworm?
a. It has open blood vascular system. b. It has 5 aortic arches known as heart. c. Each segment has a small blood vessel. d. Blood is sent from dorsal blood vessel to ventral one.
Which of the following nephridia is/are present as three paired tufts in the 4th, 5th and 6th segments? (a) integumentary (b) pharyngeal (c) septal
Find the odd one out.
Which of the following statements is/are correct about cockroaches?
a. They belong to the phylum Arthropoda. b. They are nocturnal. c. They have hard chitinous outer covering. d. Their body is divided into four distinct parts.
Which of the following statements are correct about the blood vascular system of cockroaches?
a. It is of open type. b. Blood vessels are well-developed. c. Ostia is a part of the heart. d. Haemolymph is composed of haemocytes only.
Match the following.
| a. chemoreceptors | 1. reproductive |
| b. capillaries | 2. sensory |
| c. spermatozoa | 3. nervous |
| d. ganglia | 4. blood vascular |
Select the correct option.
The abdomen in both males and females consists of 10 segments. In females the _______ sternum is boat shaped and in males genital pouch or chamber lies ventrally by the _________ sternum.