Description : Most of the bacteria in food are killed by ________. a) HCl b) NaCl c) HNo3 d) water
Last Answer : a) HCl
Description : Red rot of sugarcane is caused by which microorganism? a) bacteria b)virus c)fungus d)none
Last Answer : c)fungus
Description : Foot and Mouth is a disease caused in cattle by __________. a) bacteria b)virus c)fungi d)none
Last Answer : b)virus
Description : ______ helps in fixation of nitrogen in rice field in association with root of Cycas plant. a) rhizobium b)fungus c)cyano bacteria d)bacteria
Last Answer : c)cyano bacteria
Description : _______ is suspension of dead or weakened microbes. a) vaccine b)antibodies c)antibiotics d)bacteria
Last Answer : a) vaccine
Description : ______ is microorganism that can be crystallized and kept in jar for many days. a) bacteria b)fungi c)virus d)protozoa
Last Answer : c)virus
Description : The ________ disease can be prevented by maintaining good personal hygiene. a) cholera b)tuberculosis c)ringworm d)malaria
Last Answer : c)ringworm
Description : Baker’s yeast produce gas which helps in rising of dough is ____________. a) oxygen b)hydrogen c)carbon dioxide d)nitrogen
Last Answer : c)carbon dioxide
Description : Deadly disease which is caused by parasitic microorganism called plasmodium is ______. a) malaria b)dengue c)polio d)rubella
Last Answer : a) malaria
Description : Unicellular microscopic fungi is _________ a) yeast b)mould c)toadstool d)penicillium
Last Answer : a) yeast
Description : Ability to eat away germ is speciality of ________. a)red blood cell b)white blood cell c)liver d)plasma
Last Answer : b)white blood cell
Description : Hyperthermophiles are micro organism which live at ____________. a) temperatures between 80^o-122^0 c)cold desert b) very low temperatures d)salt water lake
Last Answer : a) temperatures between 80^o-122^0
Description : _________ is pressurised heating for a short time. a) pasteurisation b)drying c)vacuum packing d)canning
Last Answer : a) pasteurisation
Description : Which of the given food is preserved by drying method? a) milk b)papaya c)jam d)jelly
Last Answer : b)papaya
Description : Typhoid spreads through _________. a) contaminated water b)air c)animal d)insects
Last Answer : a) contaminated water
Description : _____ is the natural ability of an organism to have an inbuilt mechanism to resist and destroy the infection. a) antibiotic b)immunity c)antibodies d)none
Last Answer : b)immunity
Description : ______ is chemical produced by fungus which inhibit the growth of other harmful microorganisms. a) antibiotic b)antibodies c)vaccine d)immunity
Last Answer : a) antibiotic
Description : The first line of host defense is the barrier presented to the external environment. Which of the following statement(s) is/are true concerning host barriers? a. Sebaceous glands secrete ... of the upper gastrointestinal tract d. Gut peristalsis serves to prevent microbial adherence and invasion
Last Answer : Answer: b, c, d The skin, mucus membranes, and epithelial layers of various organs of the body constitute effective physical barriers against microbial invasion. In certain portions of the ... very low pH within the stomach and gut peristalsis both serve to prevent microbial adherence and invasion
Description : Which of the following statements is not correct? (a) Oxyntic cells are present in the mucosa of stomach and secrete HCl. (b) Acini are present in the pancreas and secrete carboxypeptidase. (c ... and secrete pepsinogen. (d) Goblet cells are present in the mucosa of intestine and secrete mucus
Last Answer : (c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen.
Description : From the internal surface to the external surface, the digestive tube wall is made of mucosa (epithelial tissue responsible for the intestinal absorption), submucosa (connective tissue beneath the ... within the abdominal cavity. Digestion System - Image Diversity: histology of the digestive tube
Last Answer : What is the location of the salivary glands in humans?
Description : Which of the following statement(s) concerning the gut microflora is/are correct? a. Gut microflora evolves constantly throughout development b. The gut microflora can contribute to the physical and ... the colon, anaerobic organisms outnumber aerobic organisms in a ratio in excess of 100:1
Last Answer : Answer: b, d The composition of the gut microflora is established in neonates after ingestion of microbes that are acquired during contamination from the birth canal and during initial feeding, and ... small number of aerobes are present, these microbes being outnumbered 100-300 to 1 by anaerobes
Description : Bacterial cells susceptible to penicillium can be protected from destruction if the medium in which they are exposed is of A- high osmotic pressure B- low osmotic pressure C- moderate osmotic pressure D- high surface tension
Last Answer : high osmotic pressure
Description : Stools associated with Giardia infection are generally described as loose, bulky, frothy and/or greasy with A A. The absence of blood or mucus B. The presence of blood or mucus C. The absence of mucus D. The presence of mucus
Last Answer : The absence of blood or mucus
Description : The presence of mucus and pus in the stools suggests a) Inflammatory colitis The presence of mucus and pus in the stools suggests inflammatory colitis or enteritis. b) Small bowel ... with disorders of the colon. d) Intestinal malabsorption Voluminous, greasy stools suggest intestinal malabsorption.
Last Answer : a) Inflammatory colitis The presence of mucus and pus in the stools suggests inflammatory colitis or enteritis.
Description : The unifying feature of the archaea that distinguishes them from the bacteria is A- habitats which are extreme environments with regard to acidity B- absence of a nuclear membrane temperature ... of a cell wall containing a characteristic outer membrane D- cytoplasmic ribosomes that are 70S
Last Answer : absence of a nuclear membrane temperature
Description : The role of the M cell is to A- .trap virus in mucus and prevent entry B- induce apoptosis in virus-infected small intestinal epithelia cells C- pass bacteria or virus to underlying macrophages for ... and presentation of antigen D- they use their cilia to propel mucus out of the small intestine
Last Answer : pass bacteria or virus to underlying macrophages for processing and presentation of antigen
Description : Hemostasis and the cessation of bleeding require which of the following processes? A. Adherence of platelets to exposed subendothelial glycoproteins and collagen with subsequent aggregation of platelets and ... conversion of fibrinogen to fibrin. D. Cross-linking of fibrin by factor XIII.
Last Answer : Answer: ABCD DISCUSSION: Hemostasis requires the interaction of platelets with the exposed subendothelial structures at the site of injury followed by aggregation of more platelets in that area. ... form a stable clot that incorporates the platelet plug and fibrin thrombus into a stable clot
Description : Receptacle outlets aboard ship should be designed so those mounted according to 46 CFR 111 have _____________. A. there must be a sufficient number of receptacle outlets in the crew accommodations for an ... outlet must not have any exposed parts with the plug opening uncovered D. all of the above
Last Answer : Answer: D
Description : In Joule-Thomson porous plug experiment, the (A) Enthalpy does not remain constant (B) Entire apparatus is exposed to surroundings (C) Temperature remains constant (D) None of these
Last Answer : (D) None of these
Description : Among the following sets of salient features, which set does not exclusively characterize mammals? (1) Presence of sweat, glands, hairs on skin and diphyoclonts (2) Presence of mammary glands, sweat ... glands, sweat glands, and diaphragm (4) Presence of mammary glands, hairs on skin and diaphragm.
Last Answer : (3) Presence of mammary' glands, sweat glands, and diaphragm Explanation: Ayes are also worm blooded and their heart is four-chambered. Crocodiles (Reptilia) also have fourchambered heart.
Description : Among the following sets of salient features, which set does not exclusively characterize mammals? (1) Presence of sweat glands, hairs on skin and diphyodonts (2) Presence of mammary glands, sweat ... glands, sweat glands and diaphragm (4) Presence of mammary glands, hairs on skin and diaphragm.
Last Answer : Presence of mammary glands, sweat glands and diaphragm
Description : Water will be absorbed by root hairs, then how is when the external medium? -General Knowledge
Last Answer : The answer is 'Hypotonic'
Last Answer : answer:
Description : Water will be absorbed by root hairs, then how is when the external medium?
Last Answer : Hypotonic
Description : a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled memb
Last Answer : a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ... j. PNA____ the rate of heart beat and______
Description : A circuit is protected from overheating by a/an ___________. A. pyrometer B. thermal overload relay C. magnetic contactor D. overload transformer
Last Answer : Answer: B
Description : ___________ is a device in data transmission to interface data terminal equipment to an analogue transmission line. A. RS 232 B. Connector C. Modem D. RJ-11 plug
Last Answer : C. Modem
Description : A covering of concrete placed on the exposed top of an external wall, is known as (A) Cornice (B) Coping (C) Frieze (D) Linte
Last Answer : Answer: Option B
Description : Hook link chains are a)suitable for external drive exposed atmosphere b)made of meabble iron c)used where power requirement is low and speed is low d)All of the above
Last Answer : d)All of the above
Description : Distemper is used to coat a) External concrete services b) Internal surfaces not exposed to weather* c) Woodwork d) Compound walls
Last Answer : b) Internal surfaces not exposed to weather*
Description : 8096 write-protected mode, no code can write to memory address between __. a) 2020 to 3FFFH b) 8000 to FFFFH c) 2000 to 3FFFH d) 2020 to 202FH 17. If the __ pin is ___ , then we have the option ... b) EA, low, internal, external c) EA, high, external, internal d) EA, low, external, internal
Last Answer : c) EA, high, external, internal
Description : One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved is absorbed in `KI` solution and titra
Last Answer : One gram of `Na_(3)AsO_(4)` is boiled with excess of solid `KI` in presence of strong `HCl`. The iodine evolved ... B. 38.4 mL C. 24.7 mL D. 30.3 mL
Description : The intermediate during the addition of `HCl` to propene in the presence of peroxide is :
Last Answer : The intermediate during the addition of `HCl` to propene in the presence of peroxide is : A. `CH_(3)-overset(* ... D. `CH_(3)-CH_(2)-overset(+)CH_(2)`
Description : Which alcohol is most reactive towards `HCl` in the presence of anhydrous `ZnCl_(2)`?
Last Answer : Which alcohol is most reactive towards `HCl` in the presence of anhydrous `ZnCl_(2)`? A. primary B. secondary C. tertiary D. all of these
Description : For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of A. H2SO4 B. HNO3 C. HCl D. None of these
Last Answer : ANS: A
Description : Is a copper turns green when exposed to the environment a chemical change?
Last Answer : Chemical because it is being exposed to another compound andforming a new substance
Description : A man exposed to excessive noise level in the working environment may suffer from (A) Hearing loss (B) Rupture of ear drum (C) Nervousness & fatigue (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Promoting hatred and mass murder and totalitarian systems - Should this be legal and protected by the freedom of speech?
Last Answer : In a free society (presumably where uncensered information is readily available) YES! for every idea should stand on it’s own merit! And free people have the right to choose amongst em’!