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Pericycle of roots produces (1) vascular bundles (2) mechanical help (3) adventitious buds (4) lateral roots Ans: (4) Q543 birth control for 6 years purchase levonorgestrel 0.18mg without prescription. Collenchyma happens in (1) climbing stems (2) herbaceous climbers (3) water plants (4) woody climbers Ans: (1) ht tel tp eg s: ra //t m birth control using calendar method purchase levonorgestrel uk. Collenchyma happens in the stem and petioles of (1) Dicot herbs (2) Xerophytes (3) Hydrophytes (4) Monocots Ans: (1) (1) apical meristem (2) intercalary meristem (3) mass meristem (4) lateral meristem Ans: (2) [1990] Q546 birth control 3 hours late 0.18 mg levonorgestrel sale. An organised and differentiated cellular construction having cytoplasm however no nucleus is (1) Sieve tubes (2) Vessels jo Q545 birth control 21 day pack trusted 0.18 mg levonorgestrel. Monocot leaves possess in [1990] (3) Tracheids (4) Xylem parenchyma Ans: (1) [1990] Q547. Angular collenchyma happens in (1) Althaea (2) Cucurbita (3) Salvia (4) Helianthus Ans: (2) ht tel tp eg s: ra //t m. Vascular cambium produces in (1) main xylem and secondary phloem (2) main xylem and primary phloem (3) secondary xylem and primary phloem (4) secondary xylem and secondary phloem Ans: (4) Q550. What is true a couple of monocot leaf (1) Mesophyll not differentiated into palisade and spongy tissues (2) Reticulate venation (3) Well differentiated mesophyll (4) Absence of bulliform cells from epidermis Ans: (1) jo [1991] [1991] Q551. Abnormal/anomalous secondary progress happens in (1) Wheat (2) Dracaena (3) Sunflower (4) Ginger Ans: (2) [1991] Q552. Bordered pits are found in (1) Companion cells (2) Sieve cells (3) Sieve tube wall (4) Vessel wall Ans: (4) ht tel tp eg s: ra //t m. A bicollateral vascular bundle is characterised by (1) Longitudinal splitting of vascular bundle (2) Phloem being sandwitched between xylem (3) Xylem being sandwitched between phloem (4) Transverse splitting of vascular bundle Ans: (3) [1992] Q554. Commercial cork is obtained from (1) Quercus/Oak (2) Berberis/Barberry (3) Betula/Birch (4) Salix/Willow Ans: (1) in Q555. As the secondary progress takes place (proceeds) in a tree, thickness of jo [1993] (1) each increase (2) heart wood will increase (3) each stay the same (4) sap-wood will increase Ans: (2) Q557. Procambium forms (1) only cork cambium (2) only main vascular bundles (3) main vascular bundles and vascular cambium (4) only vascular cambium Ans: (2) ht tel tp eg s: ra //t m. Periderm is produced by (1) Phellogen (2) Vascular cambium (3) Intrafascicular cambium (4) Fascicular cambium Ans: (1) [1993] Q559. A slender layer of skinny walled cells discovered between phloem/bark and wood of a dicot is (1) Endodermis (2) Cork cambium (3) Pericycle (4) Vascular cambium Ans: (4) jo in [1994] Q560. Which exposed wood will decay sooner (1) Wood with lot of fibres (2) Sapwood (3) Heartwood (4) Softwood Ans: (2) [1994] Q561. Transition of radial vascular bundle in root to conjoint vascular bundle in stem happens during which zone? Which of the following meristems is liable for extrastelar secondary progress in dicotyledonous stem? A leaf primordium grows into the grownup leaf lamina via (1) marginal meristems (2) apical meristem (3) at first by apical meristem and later largely by marginal meristems. Four radial vascular bundles are found in (1) dicot stem (2) dicot root (3) monocot stem (4) monocot root Ans: (2) Q567. Vessels are found in (1) all angiosperms, all gymnosperms and a few pteriodophyta (2) all angiosperms and a few gymnosperms (3) all pteridophyta (4) most of angiosperms and few gymnosperms Ans: (4) ht tel tp eg s: ra //t m. Main function of lenticel is (1) gaseous change (2) transpiration (3) bleeding (4) guttation Ans: (2) (1) separation of phloem parenchyma (2) will increase of sugar in phloem (3) strengthening of phloem fibre (4) elongation of phloem cell Ans: (2) jo Q569. Chlorenchyma is understood to develop in the (1) mycelium of a green mould corresponding to Aspergillus (2) pollen tube of Pinus (3) spore capsule of a moss (4) cytoplasm of Chlorella Ans: (3) ht tel tp eg s: ra //t m. The apical meristem of the root is current (1) only in faucet roots (2) in all the roots (3) only in adventitious roots (4) only in radicals Ans: (2) [2002] Q573. The cells of the quiescent centre are characterised by (1) having gentle cytoplasm and small nuclei (2) dividing frequently to add to tunica (3) dividing frequently to add to the corpus (4) having dense cytoplasm and prominent nuclei Ans: (1) jo in [2003] Q574. Axillary bud and terminal bud are derived from the exercise of (1) apical meristem (2) lateral meristem (3) parenchyma (4) intercalary meristem Ans: (1) Q576. A frequent structural function of vessel parts and sieve tube parts are [2004] Q577. In a woody dicotyledonous tree, which of the following components will mainly encompass main tissues? Ectophloic siphonostele is found in (1) Adiantum and Cucurbitaceae (2) Osmunda and Equisetum (3) Dicksonia and Maidenhair fern (4) Marsilea and Botrychium Ans: (2) (1) Manganese (2) Carbon (3) Iron (4) Nitrogen Ans: (2) Q579. In a longitudinal section of a root, ranging from the tip upward, the four zones happen in the following order: (1) Cell division, cell enlargement, cell maturation, root cap (2) Root cap, cell division, cell enlargement, cell maturation (3) Cell division, cell maturation, cell enlargement, root cap (4) Root cap, cell division, cell maturation, cell enlargement Ans: (2) [2006] Q581.

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Pigment appearing as a reaction centre during photosynthesis is (1) P700 (2) Carotene (three) Cytochrome (four) Phytochrome Ans: (1) ht tel tp eg s: ra //t m birth control wiki buy levonorgestrel 0.18 mg fast delivery. Photosynthetically active radiation is represented by the vary of wavelength of (1) 500-600 nm (2) 340-450 nm (three) four hundred-950 nm (four) four hundred-700 nm Ans: (four) Q1010 birth control gain weight buy 0.18 mg levonorgestrel amex. Cytochrome is (1) Glycoprotein (2) Metallo - Flavo protein (three) Lipid (four) Fe-containing porphyrin pigment Ans: (four) ht tel tp eg s: ra //t m birth control 40s buy 0.18 mg levonorgestrel free shipping. Photochemical reactions within the chloroplast are directly concerned in ht tel tp eg s: ra //t m birth control hot flashes order online levonorgestrel. In C3 crops, the primary steady product of photosynthesis in the course of the dark reaction is ht tel tp eg s: ra //t m. Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the upper crops? During photorespiration, the oxygen consuming reaction(s) happen in (1) stroma of chloroplasts (2) stroma of chloroplasts and peroxisomes (three) stroma of chloroplasts and mitochondria (four) grana of chloroplasts and peroxisomes Ans: (2) ht tel tp eg s: ra //t m. In photosystem-1the first electron acceptor is (1) An iron-sulphur protein (2) Cytochrome (three) Ferredoxin (four) Plastocyanin Ans: (1) [2006] Q1034. Chlorophyll in chloroplasts is situated in: (1) stroma (2) grana (three) each grana and stroma (four) pyrenoid Ans: (2) [2007] Q1036. The wavelength of sunshine absorbed by Pr type of phytochrome is (1) 620 nm (2) 680 nm (three) 640 nm (four) 720 nm Ans: (2) [2008] Q1040. Photoperiodism was first characterised in: (1) tomato (2) tobacco (three) cotton (four) potato Ans: (2) [2008] Q1042. Oxygenic photosynthesis happens in: (1) Chlorobium (2) Oscillatoria (three) Chromatium (four) Rhodospirillum Ans: (2) [2010] Q1045. Importance of day length in flowering of crops was first shown in (1) cotton (2) lemna (three) petunia (four) tobacco Ans: (four) [2010] Q1046. A course of that makes necessary distinction between C3 and C4 crops is: (1) Photosynthesis (2) Transpiration (three) Photorespiration (four) Glycolysis Ans: (three) ht tel tp eg s: ra //t m. C4 crops are more environment friendly in photosynthesis than C3 crops due to: (1) Presence of skinny cuticle (2) Higher leaf area (three) Lower price of photorespiration (four) Presence of bigger variety of chloroplasts within the leaf cells Ans: (three) ht tel tp eg s: ra //t m. Connecting hyperlink between glycolysis and Krebs cycle is/earlier than getting into Krebs cycle pyruvate is modified to [1990] Q1058. End merchandise of cardio respiration are (1) inconceivable (2) reductional (three) anaerobic (four) free from oxidative harm Ans: (three) [1993] Q1068. Terminal cytochrome of respiratory chain which donates electrons to oxygen is (1) Cyt. Which of the following is important for conversion of pyruvic acid into acetyl Co-A? In animal cells, the primary stage of glucose breakdown is (1) oxidative phosphorylation (2) Krebs cycle (three) E. Fermentation is anaerobic production of (1) ethers and acetones (2) protein and acetic acid (three) alcohol and lipoproteins (four) alcohol, lactic acid or comparable compounds Ans: (four) jo in [1995] Q1077. Krebs cycle happens in (1) chloroplasts (2) mitochondria (three) ribosomes (four) cytoplasm Ans: (2) [1996] Q1078. The enzymes hexokinase which catalyses glucose to glucose-6-phosphate in glycolysis is inhibited by glucose-6phosphate. This is an instance of (1) feedback allosteric inhibition (2) competitive inhibition (three) positive feedback. Oxidative phosphorylation includes simultaneous oxidation and phosphorylation to lastly kind [1996] Q1080. Maximum usable vitality per mol of glucose metabolised might be generated during (1) fermentation into ethanol by yeast (2) cardio respiration by germinating seeds jo [1996] Q1081. Site of respiration in bacteria is (1) mesosome (2) episome (three) microsome (four) ribosome Ans: (1) ht tel tp eg s: ra //t m. During anaerobic digestion of natural waste, corresponding to in producing biogas, which one of many following is left undegraded? The bacterium (Clostridium botulinum) that causes botulism is (1) an obligate aerobe (2) an obligate anaerobe (three) a facultative anaerobe (four) an facultative aerobe Ans: (2) [2004] Q1092. In germinating seeds fatty acids are degraded completely within the (1) peroxisomes (2) proplastids (three) mitochondria (four) glyoxysomes Ans: (four) [2007] Q1098. The vitality-releasing course of by which the substrate is oxidised without an exterior electron acceptor is known as (1) cardio respiration (2) fermentation (three) glycolysis (four) photorespiration Ans: (three) [2008] Q1099. This enzyme is (1) succinate dehydrogenase (2) isocitrate dehydrogenase (three) lactate dehydrogenase.

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Geographical Distribution Himalayan area birth control 7 hours late buy levonorgestrel 0.18mg with visa, Bengal birth control pills over 40 buy genuine levonorgestrel on line, Assam birth control pills bleeding order levonorgestrel cheap online, and hills and forests of South India birth control 21 day pack buy levonorgestrel 0.18 mg amex. The king cobra is a forest dweller primarily, but in addition inhabits mangrove, and infrequently tea and coffee estates. Nature of Venom Predominantly neurotoxic Pit Vipers these vipers are characterised by the presence of a pit between the attention and nostril on all sides. It is the commonest of the pit vipers, and is present in a lot of the hilly regions of India. Physical Appearance the king cobra is the biggest venomous snake in the world, and grows as much as 8 to 12 ft or extra in size (Fig 12. Like the frequent cobra, it has a hood, however lacks the monocellate or binocellate marking; the hood is way narrower than that of the frequent cobra. It is confined to the Himalayan area, and is brownish in color, rising as much as three ft in size. The horse-shoe viper (Trimeresurus strigatus) and Anamalai viper (Trimeresurus anamallensis) are commonly encountered within the Western Ghats and the Nilgiris. Other vipers encountered in this area include the massive-scaled pit viper (Trimeresurus macrolepis), the Malabar pit viper (T. Envenomation with most of those snakes results in localised pain, swelling, and bleeding. Envenomation results in local pain, bruising, and swelling with extension beyond the chunk space. Coagulopathies may occur; deadly intracranial bleeding has been reported in some cases. It grows as much as 2 ft or extra in size, is brownish in color, and often has mottled "carpet" patterns (dark longitudinal strains which are interrupted by paler cross bands) on the back. When agitated, it coils itself tightly, and vibrates the tail vigorously (like a rattle snake). Envenomation results in instant local pain, blistering, and swelling of the limb, which can be in depth and may final for several days. No systemic bleeding has been reported; patients often recuperate with no obvious everlasting disability. Its distinctive options include the weakly keeled physique scales, a markedly triangular head with an up-turned snout, and the presence of 5 giant 143 Fig 12. Colouration may be very variable and includes gray, cream or brown on the dorsal surface, which is closely marked with dark brown or black chevrons whose apices contact the mid-line, or with brown and/or black blotches. The ventral surface is gray, yellow or brownish, typically with brown or black spots. It can be present in both moist and dry deciduous and secondary forest areas and plantations. It is a frequent reason for bites to rubber plantation staff who harvest latex earlier than dawn. Its behavior of resting on bushes brings it into contact with plantation staff or agricultural staff who tend bushes. Its geographical range is believed to be the Western Ghats as far north as Goa however may well be extra in depth. The species also can trigger severe local swelling though the only goal measure suggests not to a adequate extent to require surgical intervention. They are simply distinguished from eels by their nostrils, whereas eels have gills, fins, and no scales. All the Indian seas (Indian Ocean, Bay of Bengal, and Arabian Sea) abound in venomous sea snakes which are characterised by their flattened, paddle shaped tails. These snakes are usually bluish, greyish, or greenish in color, and may have conspicuous bands on the back. They usually grow as much as four to 5 ft in size, however may sometimes be 9 ft long. They feed totally on fish, and favour coastlines, typically resting in puddles of sea water between rocks. Apart from the paddle shaped tail, these snakes can be distinguished by the nostrils which (not like in land snakes) are located on the highest of the snout.

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Pet cats shedding oocysts may be quickly isolated and treated with sulfadiazine and pyrimethamine birth control 60s order levonorgestrel 0.18 mg on-line. Immunoprophylaxis has been tried in animals utilizing phenol killed toxoplasma and irradiated toxoplasma with some success birth control pills for hair growth order generic levonorgestrel line. Routine serological examine - up in antenatal clinics and therapy of contaminated mothers can be a priceless step in defending the foetus birth control brand names cheap 0.18mg levonorgestrel visa. These intestinal infections birth control for women gynecologists buy discount levonorgestrel, termed taeniasis, normally produce only gentle signs. Eggs passed within the feces of human carriers can cause further illness if ingested by cattle, pigs, or humans. In these intermediate hosts, the egg develops to the larval (cysticercus) stage, and the illness is termed cysticercosis. Solium often incorporates fewer than 1000 proglottids and is often lower than 3m in size. Mature gravid proglottids, containing a uterus filled with as many as eighty, 000 eggs, detach from the strobila both singly or in multiples and pass out of the gut through the anus. The major website in cattle for development of the Tsaginata onchosphere to the infective cysticercus stage is the dilated lymphatic areas in skeletal muscles: some additionally reach full development within the coronary heart. In pigs and humans, the cysticerci of Tsoliurn develop in skeletal muscle, mind, myocardium, and the eye. The cysticercus is composed of a scolex invaginated inside a fluid stuffed vesicle or bladder. Taenia saginata cysticerci are 7 to 10 x four to 6 mm, and Tsoliurn cysticerci measure 5 to 20 mm in diameter. The cysticerci in cattle and pigs turn out to be infective for humans in 10 to 12 weeks after ingestion of eggs, and the life cycle is completed when these cysticerci are ingested through uncooked or inadequately cooked beef or pork and contaminated vegetables. The life span of the cysticerci in cattle and pigs is reported to be as quick as a few months to so long as three years. These might include discharge of proglottid, abdominal ache, nausea, lack of weight, change in appetite, and headache. The dying and calcification of muscle cysts is a more important cause of discomfort as is eye involvement. The commonest places of cysts within the eye are vitreous humor and subretina, and the inflammatory response to the parasite can result in retinal detachment or atrophy, iridocyclitis, and chorioiditis. Myocardial cysticercosis regularly happens in large infections, but clinical indicators not often result. Involvement of the 117 central nervous system can cause critical clinical illness ensuing from both an inflammatory response (to dead or dying cysticerci) or an obstruction (involving the foramina and ventricular system of the mind). Symptoms include seizures, hydrocephalus, complications, dizziness, arterial thrombosis, lack of imaginative and prescient and nausea. These eggs can survive for lengthy periods and are resistant to moderate dessication, disinfectants, and low temperature. Tapeworm eggs may be transmitted directly to pigs and cattle by the handling and feeding of those animals by farm workers with egg contaminated palms. Infected farm workers can also trigger transmission by contaminating hayfields or hay, sillage, and different feeds, as well as irrigation water used on subject crops, through indiscriminate defecation. A supply of oblique contamination of the environment with eggs is the effluent from sewage therapy vegetation used for the fertilization of agricultural lands. Taeniid eggs can survive many sewage therapy vegetation used for the fertilisation of agricultural lands. Transmission can also occur by birds, earthworms, or beetles and vegetables which have ate up uncooked sewage sludge as a result of eggs can survive passage through their digestive tracts and can then contaminate pastures. The development of human cysticercosis by inside autoinfection (whereby gravid proglottids enter the stomach through vomiting or reverse peristalsis). However, the frequency of this prevalence is questioned, and it will appear that humans most commonly turn out to be contaminated like pigs through the ingestion of Tsolium eggs contaminating the environment. Tapeworm species may be decided by examination of proglottid morphology (if a proglottid is recovered) but not by eggs alone. The proglottid is pressed between glass slides and the number of uterine branches counted.

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