Match the following genera with their respective phylum :
Column I | Column II | ||
(a) | Ophiura | (i) | Mollusca |
(b) | Physalia | (ii) | Platyhelminthes |
(c) | Pinctada | (iii) | Echinodermata |
(d) | Planaria | (iv) | Coelenterata |
Options: | (a) | (b) | (c) | (d) |
1. | iv | i | iii | ii |
2. | iii | iv | i | ii |
3. | i | iii | iv | ii |
4. | iii | iv | ii | i |
Which of the following animals are true coelomates with bilateral symmetry ?
1. Adult Echinoderms
2. Aschelminthes
3. Platyhelminthes
4. Annelids
Match the following organism with their respective characteristics:
Column I | Column II | ||
(a) | Pila | (i) | Flame cells |
(b) | Bombyx | (ii) | Comb plates |
(c) | Pleurobrachia | (iii) | Radula |
(d) | Taenia | (iv) | Malpighian tubules |
Select the correct option from the following:
Options: | (a) | (b) | (c) | (d) |
1. | (iii) | (ii) | (iv) | (i) |
2. | (iii) | (ii) | (i) | (iv) |
3. | (iii) | (iv) | (ii) | (i) |
4. | (ii) | (iv) | (iii) | (i) |
Consider the following features:
A: Organ system level of organisation
B: Bilateral symmetry
C: True coelom with segmentation of body
Select the correct option of animal groups that possess all the above characteristics:
1. | Annelida, Mollusca and Chordata |
2. | Annelida, Arthropoda and Chordata |
3. | Annelida, Arthropoda and Mollusca |
4. | Arthropoda, Mollusca and Chordata |
Which of the following statements are true for the phylum-Chordata?
(a) | In Urochordata, notochord extends from head to tail and is present throughout their life |
(b) | In Vertebrata, notochord is present during the embryonic period only |
(c) | Central nervous system is dorsal and hollow |
(d) | Chordata is divided into 3 sub-phyla : Hemichordata, Tunicata and Cephalochordata |
1. (c) and (a)
2. (a) and (b)
3. (b) and (c)
4. (d) and (c)
Bilaterally symmetrical and acoelomate animals are exemplified by:
1. Platyhelminthes
2. Aschelminthes
3. Annelida
4. Ctenophora
Match the following diseases with the causative organism and select the correct option:
Column I | Column II | ||
(a) | Gregarious, polyphagous pest | (i) | Asterias |
(b) | Adult with radial symmetry and larva with bilateral symmetry | (ii) | Scorpion |
(c) | Book lungs | (iii) | Ctenoplana |
(d) | Bioluminescence | (iv) | Locusta |
(a) | (b) | (c) | (d) | |
1. | (iv) | (i) | (ii) | (iii) |
2. | (iii) | (ii) | (i) | (iv) |
3. | (ii) | (i) | (iii) | (iv) |
4. | (i) | (iii) | (ii) | (iv) |
Match the following columns and select the correct option.
Column I | Column II | ||
(a) | 6 - 15 pairs of gill slits | (i) | Trygon |
(b) | Heterocercal caudal fin | (ii) | Cyclostomes |
(c) | Air Bladder | (iii) | Chondrichthyes |
(d) | Poison sting | (iv) | Osteichthyes |
Options: | (a) | (b) | (c) | (d) |
1. | (iii) | (iv) | (i) | (ii) |
2. | (iv) | (ii) | (iii) | (i) |
3. | (i) | (iv) | (iii) | (ii) |
4. | (ii) | (iii) | (iv) | (i) |
Which of the following options correctly represent the characteristic features of phylum Annelida?
1. | Triploblastic, unsegmented body, and bilaterally symmetrical. |
2. | Triploblastic, a segmented body, and bilaterally symmetrical. |
3. | Triploblastic, flattened body, and acoelomate condition. |
4. | Diploblastic, mostly marine and radially symmetrical. |
Match the following group of organisms with their respective distinctive characteristics and select the correct option:
Organisms |
Characteristics |
||
(a) |
Platyhelminthes |
(i) |
Cylindrical body with no segmentation |
(b) |
Echinoderms |
(ii) |
Warm blooded animals with direct development |
(c) |
Hemichordates |
(iii) |
Bilateral symmetry with incomplete digestive system |
(d) |
Aves |
(iv) |
Radial symmetry with indirect development |
Options: | (a) | (b) | (c) | (d) |
1. | (iii) | (iv) | (i) | (ii) |
2. | (ii) | (iii) | (iv) | (i) |
3. | (iv) | (i) | (ii) | (iii) |
4. | (i) | (ii) | (iii) | (iv) |