Phylum Arthropoda

Q. Statocysts are ___________ and are found in ___________.

1. excretory organ, arthropods
2. excretory organ, arthropods
3. balancing organ, arthropods
4. balancing organ, annelids

Q.

The largest phylum in the animal kingdom is ____.

Q.

How many legs do insects have?

Q. Bilateral symmetry is a common feature of phylum

1. Platyhelminthes, Aschelminthes, Annelida and Arthropoda
2. Porifera, Aschelminthes, Annelida and Arthropoda
3. Coelenterata, Ctenophora, Aschelminthes, Arthropoda
4. Porifera, Ctenophora, Platyhelminthes, Arthropoda

Q.

What is the site of gaseous exchange in an insect?

Q. Which group of animals belong to the same phylum?

1. Sponge, Amoeba, mosquito
2. Malarial parasite, Amoeba, mosquito
3. Earthworm, pinworm, tapeworm
4. Prawn, scorpion, Locusta

Q.

What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?

Q. The respiratory organs in arthropods is/are:

1. All of the above
2. Gills
3. Book gills and book lungs
4. Tracheal system

Q.

Describe the legs of a cockroach.

Q.

What are parapodia?

Q.

What are anal cerci?

Q.

Are spiders insects?

Q.

Mention one example each for animals with chitinous exoskeleton and those covered by a calcareous shell.

Q. Two common characters found in centipede, cockroach, and crab are :

1. Jointed legs and chitinous exoskeleton
2. Compound eyes and anal cerci
3. Book lungs and antennae
4. Green gland and tracheae

Q. Each ootheca of a cockroach contains

1. 2-4 eggs
2. 30-32 eggs
3. 14-16 eggs
4. 8-10 eggs

Q. Given below are four matchings of an animal and their respiratory organ. The correct matching is :
A. Silver fish - trachea
B. Scorpion - book lung
C. Sea squirt - pharyngeal gills
D. Dolphin - skin

1. A and D
2. B and D
3. A, B and C
4. C and D

Q.

Who uses spiracles to breathe?

Q.

The larva of a housefly is called a____.

Q. A jawless fish, which lays eggs in freshwater and whose ammocoete larvae after metamorphosis return to the ocean is

1. Neomyxine
2. Petromyzon
3. Eptatretus
4. Myxine

Q.

Which of the following are correctly matched with respect to their taxonomic classification?

1. Spiny anteater, sea urchin, sea cucumber-echinodermata

2. House fly, butterfly, tsetse fly, silverfish-insecta

3. Centipede, millipede, spider, scorpion-insecta

4. Flying fish, cuttlefish, silverfish-Pisces

Q. how many teeth does a mosquito have ?

Q.

Are cockroaches ureotelic?

Q.

All the diseases are spread by housefly except

1. leprosy

2. dysentery

3. typhoid

4. sleeping sickness

Q.

Musca domestica is the scientific name of

1. housefly.

2. dog.

3. cat.

4. mosquito.

Q.

Explain the structure of the wings of a bat.

Q.

What are tegmina?

Q. In Pheretima, there are red coloured round bodies in $4^{th,}{5}^{th}$ and $6^{th}$ segments above the alimentary canal. They are believe to be involved in-

1. Excretion
2. Leucocyte production
3. Digestion
4. Reproduction

Q. Set of useful insects is

1. Bedbug, silkmoth and Anopheles
2. Honeybee, bed bug and locust
3. silkworm, lac insect and honey bee
4. Wasp, Anopheles and bed bug

Q. Choose the features that represent phylum Arthropoda:
I. Metameric segmentation
II. Parapodia
III. Jointed appendages
IV. Bilateral symmetry
V. Triploblastic

1. I and II only
2. III, IV and V only
3. II and III only
4. IV and V only

Q.

Write the modes by which insects affect the crop yield.