Time: 1 Hours Cool off time : 10 Minutes Maximum : 30 Scores. Projection neurons thus express higher calcium-dependent K+ currents. Answer: (c) Unique among cnidarians, jellyfish have remarkable morphological and biochemical innovations that allow them to actively hunt in the water column and were some of the first animals to become free-swimming. A large concentration of nerve tissue is also found around the mouth. Choose the term that does not belong in the following group and explain why it does not belong? eyes are absent but does possess light and touch sensitive organs. These analyses revealed that the various neurons of the honeybee olfactory pathway in vitro have different current phenotypes, which may reflect functional differences between the neuron types in vivo. The use of venom in intraspecific aggression is uncommon and venom-transmitting structures specifically used for intraspecific competition are found in few lineages of venomous taxa. Masterclass - Test 3 20th May Full Syllabus Contact Number: 9667591930 / 8527521718 Next-generation transcriptome sequencing allows robust characterization of venom diversity and exploration of functionally unique tissues. Entomology Paleontology Ichthyology Histology Correct Answer : Histology Ques 2) _ is the branch of zoology concerned … General Awareness -Biology SSC CGL … An icon used to represent a menu that can be toggled by interacting with this icon. The Cnidaria phylum includes organisms that are among the most venomous animals. Does not add up to FP total (1317) because some entries have unknown year of publication Other jellyfish species Aequorea victoria variants Other Aequorea species FP totals non-Av variant FPs Coral FPs (non-Discosoma) GeorgeMcNamara Carl Boswell July 2, 2007 A Thousand Proteins of Light: 15 years of Advances in Fluorescent Proteins. Cephalopods have good visual discrimination learning abilities (Sanders 1975) and visual control is important in the predatory behaviour of cuttlefish (Messenger 1968). Download : Download full-size image; Fig. The neuroglial cell which constitute the rest of the neural system protect and support neurons. This chapter discusses the toxins of some of the more venomous and poisonous marine animals of the world. Nautilus does not have suckers on its numerous prehensile arms. The composition of cnidarian venoms is not known in detail, but they appear to contain a variety of compounds. MCQs on Neurons Nerve Impulse. Members of Type I and II have similar locations of the six half-Cys (which form three disulfide bonds), as well as several other residues thought to play a role in biological activity or maintenance of the tertiary structure . -No d. How many germ layers does this animal have?-2Layers(Diploblastic) e. How many openings does this animal’s digestive system have?-One open only f. Does this animal have neurons? ¾ Animals which do not possess a body cavity are called acoelomates. An icon used to represent a menu that can be toggled by interacting with this icon. General Instructions to candidates : There is a ‘cool off time’ of 10 minutes each for Botany and Zoology in addition to the writing time of 1 hour each. 2.The word taxonomy was coined by Augustin Pyramus de Candole (1813). Pollination does not guarantee the transfer of the right type of pollen (compatible pollen of the same species as the stigma). These sense organs are located on the anterior part of the worm. Tissue-Specific Expression of Toxin Genes. The Anthozoa class includes sea anemones, hard corals, soft corals and sea pens. These analyses revealed that the various neurons of the honeybee olfactory pathway in vitro have different current phenotypes, which may reflect functional differences between the neuron types in vivo. 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