Description : .Viroids differ from viruses in having (a) DNA molecules without protein coat (b) RNA molecules with protein coat (c) RNA molecules without protein coat (d) DNA molecules with protein coat
Last Answer : (c) RNA molecules without protein coat
Description : Viroids differ from viruses in having; (1) DNA molecules without protein coat (2) RNA molecules with protein coat (3) RNA molecules without protein coat (4) DNA molecules with protein coat
Last Answer : (3) RNA molecules without protein coat
Description : How do bacteria and archaea differ? -Biology
Last Answer : answer:
Description : How big must a pile of bacteria or viruses be to be visible to the human eye?
Last Answer : A pinhead.
Description : Would finding out that obesity is caused by bacteria or viruses change your perspective on it?
Last Answer : The simple fact of the matter is that only so much can be blamed on something other than the mechanics of fork-to-mouth. You don’t become 300 lbs overweight by catching a bug.
Description : How are viruses different from bacteria?
Last Answer : Bacteria:Single-celledCan exist outside of a hostVirus:Not a cellCannot exist outside of a host for long
Description : How are viruses different from bacteria Apex?
Last Answer : Viruses cannot survive outside a host. -apex
Description : Are bacteria viruses and rickettsia pathogens?
Last Answer : They all can be, but not all bacteria ec cause disease and someare symbiotes.
Description : Is filter removes bacteria and viruses?
Last Answer : Need answer
Description : What is theInfection of the lungs caused by viruses bacteria or fungi?
Description : Are vaccines for viruses or bacteria?
Last Answer : nope it depends when its vaccine for viruses the price is so high when its for vitamins the price is normal you can be healthy without vaccine just eat nutritious foods
Description : A normal cell can be transformed into a cancer cell by all of the following except (A) Ionising radiation (B) Mutagenic chemicals (C) Oncogenic bacteria (D) Some viruses
Last Answer : Answer : C
Description : Restriction endonucleases are present in (A) Viruses (B) Bacteria (C) Eukaryotes (D) All of these
Last Answer : Answer : B
Description : Non-coding sequence are present in the genes of (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these
Description : Introns are present in DNA of (A) Viruses (B) Bacteria (C) Man (D) All of these
Description : Mitochondrial DNA is present in (A) Bacteria (B) Viruses (C) Eukaryotes (D) All of these
Description : Passive immunity can be produced by administration of (A) Pure antigens (B) Immunoglobulins (C) Toxoids (D) Killed bacteria or viruses
Description : Active immunity can be produced by administration of (A) Killed bacteria or viruses (B) Live attenuated bacteria or viruses (C) Toxoids (D) All of these
Last Answer : Answer : D
Description : Cyanide resistant respiration is characteristic of: (a) Viruses (b) Bacteria (c) Plants (d) Animals
Last Answer : Ans. ((c))
Description : Which of the following plant diseases are caused by viruses? 1. Aster yellows 2. Foot rot of paddy 3. Leaf curl of tobacco 4. Little leaf of Sweet potato Which of the above disease/s is/are caused by the bacteria? (a) 1 and 3 (b) 1, 2, and 4 (c) 2 and 4 (d) 3 and 4
Last Answer : Ans:(a)
Description : Which of the following is true? (1) DNA is the genetic material in most of the organism (2) RNA is the genetic material in most viruses and bacteria (3) DNA is the genetic material in all the viruses (4) RNA is the genetic material in all the viruses
Last Answer : (1) DNA is the genetic material in most of the organism Explanation: Deoxyribonucleic acid (DNA) molecules are informational molecules encoding the genetic instructions used in the development and functioning of all ... letters. G, A, T, and C. DNA is well-suited for biological information storage.
Description : What is true about viruses without exception? (1) They contain a core of RNA (2) They can infect bacteria (3) They cannot produce antibodies (4) They can multiply only in host cells
Last Answer : (4) They can multiply only in host cells Explanation: Viruses do not contain enzymes for energy production or protein synthesis. For a virus to multiply, it must invade a host cell and direct the host ... proteins, and copies of its nucleic acid, using the host cell's ATP to power the reactions.
Description : The scavengers earth are – (1) Bacteria (2) Viruses (3) Algae (4) Fun
Last Answer : (3) Algae Explanation: Scavenger is an organism that mostly consumes decaying biomass, such as meat or rotting plant material. Blue-green algae (BGA) inhibit lipid peroxidation and have free radical scavenging.
Description : Biodegradable wastes can usually be converted into useful substances with the help of - (1) Bacteria (2) Nuclear proteins (3) Radioactive substances (4) Viruses
Last Answer : (1) Bacteria Explanation: Biodegradable waste includes any organic matter in waste which can be broken down into carbon dioxide, water, methane or simple organic molecules by micro-organisms such as ... or a resource for heat, electricity and fuel by means of incineration or anaerobic digestion.
Description : Motoxins are produced by - (1) Bacteria (2) Algae (3) Viruses (4) Fungi
Last Answer : (4) Fungi Explanation: Aflatoxin are naturally occurring mycotoxins that are produced by Aspergillus flavus and Aspergillus parasiticus, species of fungi. They have been associated with various diseases, such as aflatoxicosis, in livestock, domestic animals and humans throughout the world.
Description : Biodegradable wastes can usually be converted into useful substances with the help of - (1) bacteria (2) nuclear proteins (3) radioactive substances (4) viruses
Last Answer : (1) bacteria Explanation: Biodegradable waste is a type of waste, typically originating from plant or animal sources, which may be degraded by other living organisms.
Description : Biogradable wastes can usually be converted into useful substances with the help of: (1) nuclear proteins (2) radio-active substances (3) viruses (4) bacteria
Last Answer : (4) bacteria Explanation: Bacteria can convert biodegradable wastes into useful substances.
Last Answer : (1) Bacteria Explanation: Bacteria are the most abundant organisms which play important role in the decomposition of organic matter. Majority of bacteria involved in decomposition of organic ... and autotrophs are least in proportion which are not directly involved in organic matter decomposition.
Description : Of all micro-organisms, the most adaptable and versatile are – (1) Viruses (2) Bacteria (3) Algae (4) Fungi
Last Answer : (1) Viruses Explanation: The viruses are adaptable and versatile with many variations worldwide and they reproduce within the cells of the immune system of infected people. ... versatility an individual has developed to respond to changing interpersonal situations and environmental requirements.
Description : Enzymes are absent in – (1) fungi (2) bacteria (3) viruses (4) algae
Last Answer : (3) viruses
Description : Toxicology is related to the study of (1) viruses (2) bacteria (3) diseases (4) poisons
Last Answer : (4) poisons Explanation: Toxicology is the study of the adverse effects of chemicals on living organisms. It is the study of symptoms, mechanisms, treatments and detection of poisoning, especially ... . the amount of exposure to the substance. All substances are toxic under the right conditions.
Description : What is viewed through an electron microscope? (1) Electrons and other elementary particles (2) Structure of bacteria and viruses (3) Inside of human stomach (4) Inside of the human eye
Last Answer : (2) Structure of bacteria and viruses Explanation: Electron microscopes are used to observe a wide range of biological and inorganic specimens including microorganisms, cells, large molecules, ... microscope because electrons have wavelengths about 100,000 times shorter than visible light photons.
Description : Name two diseases caused by following groups of micro-organisms. a) Bacteria b) Viruses c) Protozoa d) Fungi
Last Answer : Answers: a) Tuberculosis, Typhoid, Cholera b) Poliomyelitis, Influenza c) Sleeping sickness, Amoebic dysentery d) Ringworm, Actinomycosis
Description : Interferons are synthesized in response to (a) mycoplasma (b) bacteria (c) viruses (d) fungi.
Last Answer : (c) viruses
Description : Lysozyme that is present in perspiration, saliva and tears, destroys (a) certain types of bacteria (b) all viruses (c) most virus-infected cells (d) certain fungi.
Last Answer : (a) certain types of bacteria
Description : Ringworm in humans is caused by (a) bacteria (b) fungi (c) nematodes (d) viruses.
Last Answer : (b) fungi
Description : Antibiotics are products of (a) Bacteria and fungi (b) Fungi and parasites (c) Parasites and bacteria (d) Fungi and viruses
Last Answer : (a) Bacteria and fungi
Description : Carbohydrates, the most abundant biomolecule on earth, are produced by (a) some bacteria, algae and green plant cells (b) fungi, algae and green plant cells (c) all bacteria, fungi and algae (d) viruses, fungi and bacteria.
Last Answer : (a) some bacteria, algae and green plant cells
Description : .Viruses that infect bacteria multiply and cause their lysis, are called (a) lysozymes (b) lipolytic (c) lytic (d) lysogenic
Last Answer : (c) lytic
Description : Curing of tea leaves is brought about by the activity of (a) fungi (b) bacteria (c) mycorrhiza (d) viruses.
Last Answer : (b) bacteria
Description : Which one of the following pairs is incorrectly matched as to antibiotic and use? a. Penicillin-gram-positive bacteria b. Nystatin-fungi c. Tetracycline-viruses d. Griseofulvin-fungi
Last Answer : c. Tetracycline-viruses
Description : The process of conjugation in bacteria requires that _____. a. Two Types Of Viruses Be Present. b. The Conjugating Bacteria Be Deprived Of Nutrients. c. Two Bacteria Exchange Dna. d. Two Live Bacteria Come Together.
Last Answer : d. Two Live Bacteria Come Together.
Description : When is a HEPA filter used? a. To Filter Bacteria Out Of A Vaccine b. To Trap Particles In The Air c. To Protect Burn Victims d. To Separate Bacteria And Viruses
Last Answer : b. To Trap Particles In The Air
Description : Which of the following theory is supported by the genomic sequence of the obligate intracellularparasite Rickettsia prowazekii ? A- Parasitic bacteria have very large genomes B- Parasites have a ... viruses C- Mitochondria have evolved from endosymbiotic bacteria D- All bacteria evolved from viruses
Last Answer : Mitochondria have evolved from endosymbiotic bacteria
Description : What is Mycology? A-Study of viruses B- Study of nucleic acid C- Study of bacteria D-Study of fungi
Last Answer : Study of fungi
Description : Mycoplasmas, rickettsiae, and chlamydiae are A- .types of fungi B- small bacteria C- species of protozoa D- forms of viruses
Last Answer : small bacteria
Description : Which classification would include prokaryote cells that live in extreme conditions like hot springs and the Dead sea? a. Bacteria b. Fungi c. Viruses d. Archaea
Last Answer : d. Archaea
Description : Ivanowsky, Beijerinck and Reed all began studies with particles smaller than the filters they were working with. This began the study of _____. a. measles b. viruses c. prions d. bacteria
Last Answer : b. viruses
Description : Which group of microbial agents is eukaryotic? a. Bacteria b. Viruses c. Archaea d. Algae
Last Answer : d. Algae
Description : What group of microbial agent was identified from the work of Ivanowsky a Beijerinck? a. Viruses b. Fungi c. Protozoa d. Bacteria
Last Answer : a. Viruses