Which one of the following pairs is mismatched?
| 1. | Pila globosa - pearl |
| 2. | Apis indica - honey |
| 3. | Kenia lacca - lac |
| 4. | Bombyx mori - silk |
What is common between parrot, platypus, and kangaroo?
(1) Homoiothermy
(2) Toothless jaws
(3) Functional post-anal tail
(4) Ovoparity
Which one of the following is a matching pair of a body feature and animal possesing it?
(1) Post anal tail - Octopus
(2) Ventral central nervous system - Leech
(3) Pharyngeal gill slits absent in embryo - Chamaeleon
(4) Ventral heart - Scorpion
Which of the following pairs are correctly matched?
| Animals | Morphological features | |
| 1. | Crocodile | 4-chambered heart |
| 2. | Sea Urchin | Parapodia |
| 3. | Obelia | Metagenesis |
| 4 | Lemur | Thecodont |
| 1. | A,C and D |
| 2. | B,C and D |
| 3. | Only A and D |
| 4. | Only A and B |
What is true about Nereis, Scorpion, Cockroach and Silver fish?
(1) They all have jointed paired appendages
(2) They all possess dorsal heart
(3) None of them is aquatic
(4) They all belong to the same phylum
Earthworms have no skeleton but during burrowing the anterior end becomes turgid and act as a hydraulic skeleton. It is due to
(1) Gut peristalsis
(2) Setae
(3) Coelomic fluid
(4) Blood
Which one of the following is the true description about an animal concerned?
1. Rat-Left kidney is slightly high in position than the right one
2. Cockroach-10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
3. Earthworm-The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine
4. Frog-Body divisible into three regions-head, neck, and trunk
Which one of the following is not a characteristic of phylum Annelida?
(1) Psuedocoelom
(2) Ventral nerve cord
(3) Closed circulatory system
(4) Segmentation
Which one of the following phyla is correctly matched with its general characteristics?
(1) Echinodermata - Pentamerous radial symmetry and mostly internal fertilization
(2) Mollusca - Normally oviparous and development through a trochophore or veliger larva
(3) Arthropoda-Body divided into head, thorax and abdomen and respiration by mouth
(4) Chordata-Notochord at some stage and separate anal and urinary openings to the outside
Which one of the following pairs of items correctly belongs to the category of organs mentioned against it?
(1) Nephridia of earthworm and malphighian tubules of Cockroach-Excretory organs
(2) Wings of honey bee and wings of crow-Homolo-gous organs
(3) Thorn of Bougainvillea and tendrils of Cucurbita Analogous organs
(4) Nictitating membrane and blind spot in human eyeVestigeal organs
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