NEET : Multiple Choice Questions: Aschelminthes

 

1. Consider the following statement and select the correct code:

1.  Members of Aschelminthes have dorso flattened body.  

2. Members of Platyhelminthes have round body in cross section area. fl

A. Only 1   

B. Only 2

C. Neither 1 nor 2 

D. Both 1 and 2 

Answer : C Explanation 

2. Which of the following pairs of feature are present in members of Aschelminthes.

A. Organ system level of organisation and Pseudocoelom.

B. Acoelomate condition and Radial symmetry

C. Flame cells and Protonephredia. 

D. Diploblastic condition and Coelomate

Answer : A  Explanation

3. Alimentary canal of round worm is complete with well developed 

A. Radula  

B. Muscular Pharynx 

C. Gastric Cecae 

D. Syrinx 

Answer : B Explanation 

4. Which one of following is Excretory organ in members of Aschelminthes.

A. Malpighian tubules  

B. Flame cells

C. Protonephredia 

D. Excretory pore 

Answer : D Explanation

5. Which of the following statement is not correct with respect to Aschelminthes.

A. Development is direct or indirect  

B. Larva resemble with the adult.

C. Fertilization is external.

D. Saxes are Separate. 

Answer : C Explanation 

6. Which of the following statement is correct for the round worms.

A. Alimentary canal is incomplete.

B. They remove their nitrogenous waste through body surface.

C. Fertilization is external.

D. Saxes are Separate 

Answer : B Explanation 

7. Match the list 

A. Enterobius  1. Pin worm

B. Ascaris      2.Round worm 

C.Wucheteria 3.Filaria                                           worm

D.Ancyclostoma 4.Hook                                          worm                                              

             A       B       C      D

A.         1        2        3      4

B.         1        2        4      3

C.         2        1        3      4

D.         3        1       4       2

Answer : A  Explanation

8. Which of the following statement is correct with respect to round worm.

A. Development is indirect without larval stage.

B. Female individual is often longer than male.

C. Fertilization is external.

D. They are mostly hermaphrodite. 

Answer : B Explanation .

9. Consider the following characteristics of Aschelminthes and select the correct code:

1. Aquatic 

2. Terrestrial 

3. Free living

4. Parasite in animals 

5. Parasite in Plants

A. 1, 2, 3 and 4

B. 1, 2, 3 and 5

C. 2, 3, 4 and 5

D. 1,2,3,4 and 5

Answer : D Explanation

10. In which of the following animals, mesoderm is present as scattered pouches In between the ectoderm and endoderm.

A. Round worm

B. Flat worm

C. Earth worm

D. All of the above.

Answer : A Explanation