One of the world's most poisonous fish toxins is released by
(1) clown fish
(2) sword fish
(3) eel fish
(4) puffer fish
Stinging capsules (nematocysts) are found in
(1) wasp and honeybee
(2) scorpion and cobra
(3) sea pen and sea fan
(4) cactus and Venus flytrap
In which of the following sets of organisms, does the external fertilization occur?
| 1. | Echinodermata and mosses |
| 2. | Hemichordata and ferns |
| 3. | Amphibians and algae |
| 4. | More than 1 option is correct |
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 37517
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 37517
In the given table, some organisms are classified into categories. However, there is one exception. Select the option with correctly mentioned exceptional organism.
| Organisms | Category | Exception | |
| 1. | Penicillium, Aspergillus, Mucor | Fungi | Mucor |
| 2. | Cacti, Venus flytrap | Plants | Cacti |
| 3. | Ascaris, Nereis, Wuchereria | Aschelminthes | Nereis |
| 4. | Scorpion, Prawn, Anopheles | Arthropoda | Prawn |
Choose the correct pair.
| 1. | Coconut, cucurbits | - dioecious |
| 2. | Honeybee, Rotifers | - Parthenogenesis |
| 3. | Ornithorhyncus, Whale | - viviparity |
| 4. | Frog, Peacock | - external fertilisation |
Select the incorrect statement.
(1) Periplaneta has compound eyes.
(2) Earthworm shows segmentation.
(3) Ascaris shows sexual dimorphism
(4) Liver fluke has a complete alimentary canal
Which of the following waste products in grasshopper is not excreted and is used in other metabolic activities?
(1) Carbon dioxide
(2) Water
(3) Uric acid
(4) Faeces
Select the animal that exhibits retrogressive metamorphosis.
(1) Bufo
(2) Amphioxus
(3) Limulus
(4) Herdmania
Which one of the following is not a mammalian character?
| 1. | Presence of milk producing glands |
| 2. | Skin is unique in possessing hair |
| 3. | Presence of external ears called pinnae |
| 4. | Homodont type of dentition |
Retrogressive metamorphosis occurs in
1. Hemichordata
2. Cephalochordata
3. Urochordata
4. Vertebrata
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