Arthropoda, the biggest group of animals, comprises around 900,000 species. These creatures can live in water, on land, or as parasites. They have limbs that bend at joints and a tough outer covering made of chitin. Within this group, there are many different classes. One of the biggest classes is Insecta, which includes a significant number of the world’s animal species. Arthropods are known for their adaptability and can thrive in various environments.
Arthropoda MCQ for NEET
Ques 1. In arthropods, this is complete
1. circulatory system
2. reproductive structures
3. digestive system
4. respiratory structures
Answer: digestive system
Ques 2. The periplaneta belongs to which of this phyla
1. Echinodermata
2. Annelida
3. Mollusca
4. Arthropoda
Answer: Arthropoda
Ques 3. To view the haemocoel, you would pick this animal
1. Sponge
2. Earthworm
3. Scolopendra
4. Hydra
Answer: Scolopendra
Ques 4. The characteristic of pronounced cephalisation is seen in
1. Arthropoda
2. Echinoderms
3. Annelida
4. Mollusca
Answer: Arthropoda
Ques 5. In cockroach, the spiracles are found in
1. thorax – 2 pairs, abdomen – 4 pairs
2. thorax – 2 pairs, abdomen – 6 pairs
3. thorax – 2 pairs, abdomen – 8 pairs
4. thorax – 2 pairs, abdomen – 10 pairs
Answer: thorax – 2 pairs, abdomen – 8 pairs
Ques 6. This is the common factor between housefly, anopheles and cockroach
1. three pair of legs
2. two pair of wings
3. cuticle covering the body
4. presence of cephalothorax
Answer: three pair of legs
Ques 7. Pick the common trait in rats, bed bugs, mosquitoes, leeches
1. all these have a sexual phase
2. all these have no cellular membrane
3. all these do not have a nucleus
4. all these have an anticoagulatin
Answer: all these have a sexual phase
Ques 8. The growth in arthropods goes along with this process
1. mitosis
2. only molting
3. only ecdysis
4. ecdysis and molting
Answer: ecdysis and molting
Ques 9. The labrum in cockroach is attached to the head capsule through the means of
1. Clypeus
2. Genas
3. Frons
4. All the above
Answer: Clypeus
Ques 10. This is the basic unit in the eye of insect/cockroach
1. Corneal facet
2. Retina
3. Rhabdome
4. Ommatidium
Answer: Ommatidium
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