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You Are On Multi Choice Question Bank SET 3317
165851. Peasoup green colour of water is often associated with this algae :
(A): Microcystis (B): Anabaena (C): Euglena (D): Spirogyra
165852. The paddle wheel aerator commonly used in shrimp culture ponds is an example of:
(A): Gravity aerator (B): Diffuser aerator (C): Surface aerator (D): Bucket dissipater type
165853. Ovaprim used for fish breeding consists of:
(A): Natural salmon GnRH (B): Pituitary extract and domperidone (C): Synthetic analogue of sGnRH (D): Synthetic analogue of sGnRH and domperidone
165854. The number of days normally taken by Macrobrachium rosenbergii larvae to settle as post larvae at 28-320:
(A): 22 - 26 days (B): 35 - 38 days (C): 15-18 days (D): 32 - 35 days
165855. The scientific name of silver pompano, the captive breeding of which has been standardized is:
(A): Trachinvfus mookalee (B): Epinephelus coioides (C): Rachycentron canadum (D): Trachinotus blochii
165856. A widely used cryoprotectant for fish spermatozoa is :
(A): Buffered formalin (B): Ethyl alcohol (C): DMSO (D): Isopropyl alcohol
165857. The members of this group of fishes are non- guarders scattering eggs :
(A): Cichlids (B): Gouramis (C): Tetras and barbs (D): Guppies and molliess
165858. The zone of shallow water near the shore is called :
(A): Oceanic Province (B): Continental shelf (C): NIeritic Province (D): Continental Slope
165859. Methylene Blue is a :
(A): Basic dye (B): Acidic dye (C): Neutral dye (D): None of the above
165860. Which one of the following does not indicatea species diversity index ?
(A): H index (B): Shannon diversity- index (C): Pielou's evenness (D): Margalef's index
165861. An agent or a factor which causes malformation of an embryo isknown as :
(A): Carcinogen (B): Teratogen (C): Mutagen (D): Allergen
165862. Ramsar convention was held in :
(A): USA (B): India (C): Japan (D): Iran
165863. IPCC headquarters is located at :
(A): New York (B): Geneva (C): London (D): Rome
165864. Which one of the following is a keystone species in a Kelp forest ?>
(A): Sea Otter (B): Starfish (C): Parrot fish (D): Shark
165865. What is function of immersion oil in anoil immersion objective of light microscope ?
(A): Increase magnification (B): Increase resolution (C): Improve contrast (D): None of the above
165866. Genetic material possessing the dual capacity to exist either asan extrachromosomal chromosomal entity is called :
(A): Episome (B): Autosome (C): Mesosome (D): Oxysome
165867. Bioindicators cover a wide spectrum of organisms serving as indicators of:
(A): Water (B): Climate (C): Air (D): Environment
165868. Which one of the following nutrient cycle is considered as sedimentary type ?
(A): Carbon cycle (B): Phosphorus cycle (C): Nitrogen cycle (D): Manganese cycle
165869. Fundamental status of an organism in its community is known as :
(A): Ecological niche (B): Edaphic factor (C): Trophic level (D): Primary producer
165870. Which one of the following organisms possesses Aristotle's lantern ?
(A): Asterias (B): Ophiothrix (C): Antedon (D): Echinus
165871. Analytical characters are generally expressed in terms of:
(A): Chi-square test (B): 3 - point test (C): 5 - point test (D): None of the above
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