Phylum Arthropoda

Q.

Differences between annelids and arthropods.

Q.

In which group of animals coelom is filled with blood?

1. Arthropoda

2. Annelida

3. Nematoda

4. Echinodermata

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. Animals like annelids and arthropods show

1. Asymmetry
2. Radial symmetry
3. Bilateral symmetry
4. All of these

Q. Body of arthropods is segmented generally into

1. Head
2. Appendages
3. Abdomen
4. Thorax

Q. Set of useful insects is

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

Q.

Fill in the blanks with correct words and pick the right option:
The specific organs in arthropods for excretion, respiration and locomotion are (i)_______, (ii)________ and (iii)________ respectively.

1. (i) Trachea, (ii) Malpighian tubules, (iii) Wings

2. (i) Malphighian tubules, (ii) Trachea, (iii) Wings

3. (i) Malphighian tubules, (ii) Wings, (iii) Trachea

4. (i) Wings, (ii) Malphighian tubules, (iii) Trachea

Q. In Arthropoda, head and thorax are often fused to form cephalothorax, but in which one of the following classes, the body is divided into head, thorax and abdomen?

1. Insecta
2. Myriapoda
3. Crustacea
4. Arachnida and Crustacea

Q.

Which of the following is not an insect?

1. Locust

2. Limulus

3. Anopheles

4. Culex

Q.

The evolutionary process where segments combine to form distinct and functional units is known as ___________

1. Regeneration

2. Segmentation

3. Cephalisation

4. Tagmosis

Q. Gymnosperms differ from angiosperms in

1. having fruits
2. having seeds
3. none of these
4. having naked ovules

Q. What do gymnosperms and angiosperms have in common?

1. Their gametophyte is dominant
2. They rely on water for reproduction
3. They produce flowers
4. They produce seeds

Q.

The evolutionary process where segments combine to form distinct and functional units is known as ___________

1. Regeneration

2. Segmentation

3. Cephalisation

4. Tagmosis

Q. In Arthropoda, head and thorax are often fused to form cephalothorax, but in which one of the following classes, the body is divided into head, thorax and abdomen?

1. Insecta
2. Myriapoda
3. Crustacea
4. Arachnida and Crustacea

Q. Which of the following is not a feature of organisms belonging to phylum Arthropoda?

1. Pollinating agent
2. Vector for diseases
3. Pests
4. Source of cotton

Q. Assertion (A): Anopheles and Culex belong to Arthropoda.

Reason (R): They are eucoelomates and the body cavity is modified into haemocoel and is filled up with body fluid haemolymph.

1. Both A and R are true and R is the correct explanation of A
2. Both A and R are true but R is not the correct explanation of A
3. A is true but R is false
4. A and R are false

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

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

Q. The respiratory organs in arthropods is/are:

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

Q.

Which of the following statements is wrong for phylum Arthropoda?

1. The body consists of head, thorax, abdomen and jointed appendages
2. Respiratory organs are gills, book gills, book lungs or tracheal system
3. Sensory organs like antennae, eyes and statocysts are present
4. The mouth contains a file-like rasping organ for feeding called radula

Q. Choose the characteristic features of Phylum Arthropoda.

1. Joint appendages
2. Acoelomate
3. Coelomate
4. Segmented body
5. Diploblastic
6. Triploblastic
7. Mostly oviparous
8. Open circulation
9. Bilateral
10. Radial

Q. Assertion (A): Gymnosperm means naked seed.
Reason (R): The ovules are not enclosed by any ovary wall and remain exposed.

1. A and R are true and R is not the correct explaination of A
2. Both A and R are false
3. A and R are true and R is the correct explaination of A
4. A is true but R is false

Q. Assertion (A): Gymnosperm means naked seed.
Reason (R): The ovules are not enclosed by any ovary wall and remain exposed.

1. A and R are true and R is not the correct explaination of A
2. A is true but R is false
3. A and R are true and R is the correct explaination of A
4. Both A and R are false

Q. Which of the following is true about Class Reptilia?

1. Tympanum represents the ear
2. All reptiles have a three chambered heart
3. They are homeotherms
4. They are viviparous