Description : Ringworm in humans is caused by (a) bacteria (b) fungi (c) nematodes (d) viruses.
Last Answer : (b) fungi
Description : 2. . Which among the following is not allowed to take place in the case of RNA interference employed in making tobacco plants resistant to the nematode, Meloidegyneincognitia? (a) Transcription of mRNA (b) Translation of mRNA (c) Replication of DNA (d) Maturation of hn RNA.
Last Answer : (b) Translation of mRNA
Description : Silencing of mRNA has been used in producing transgenic plants resistant to (a) boll worms (b) nematodes (c) white rusts (d) bacterial blights.
Last Answer : (b) nematodes
Description : In RNAi, the genes are silenced using (a) ds-RNA (b) ss-DNA (c) ss-RNA (d) ds-DNA.
Last Answer : (a) ds-RNA
Description : The crops engineered for glyphosate are resistant/ tolerant to (a) insects (b) herbicides (c) fungi (d) bacteria.
Last Answer : (b) herbicides
Description : Bt cotton variety that was developed by the introduction of toxin gene of Bacillus thuringiensis (Bt) is resistant to (a) insect pests (b) fungal diseases (c) plant nematodes (d) insect predators.
Last Answer : (a) insect pests
Description : Damping-off is caused by: a. Fungi b. Bacteria c. Nematodes d. Virus
Last Answer : Fungi
Description : Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produces (in the host cells) (a) both sense and anti-sense RNA (b) a particular hormone (c) an antifeedant (d) a toxic protein.
Last Answer : a) both sense and anti-sense RNA
Description : Cyanide resistant respiration is characteristic of: (a) Viruses (b) Bacteria (c) Plants (d) Animals
Last Answer : Ans. ((c))
Description : How does RNAi regulate gene expression?
Last Answer : Feel Free to Answer
Description : Match the following columns and select the correct option. Column-I Column-II (A) Bt cotton (i) Gene therapy (B) Adenosine (ii) Cellular defence deaminase deficiency (C) RNAi (iii) Detection of HIV infection (D) PCR (iv) Bacillus ... (i) (iv) (c) (ii) (iii) (iv) (i) (d) (i) (ii) (iii) (iv)
Last Answer : (a) (iv) (i) (ii) (iii)
Description : [Science and the world of tomorrow] A pill, synthesized protein, elixir, etc. is developed that will make a person more alert, resistant to viruses and most forms of cancer and do so within eight to twenty-one months after first use, but it has certain side effects, would you try it?
Last Answer : I would consider taking it when I’m older and more likely to get cancer, but probably not now.
Description : How can I make myself healther and more resistant to viruses/colds/etc.?
Last Answer : Do not share food and drinks with others, eat healthy, wash your hands, shower daily, cover cuts, and get at least 8 hours of sleep. Those are just some of the things that can help you stay healthy
Description : What is RNA interference? -Biology
Last Answer : answer:
Description : RNA interference involves (a) synthesis of cDNA and RNA using reverse transcriptase (b) silencing of specific mRNA due to complementary RNA (c) interference of RNA in synthesis of DNA (d) synthesis of mRNA from DNA
Last Answer : (b) silencing of specific mRNA due to complementary RNA
Description : 2. RNA interference helps in a. Cell proliferation b. Micropropagation c. Cell defence d. Cell differentiation
Last Answer : Ans: Cell –defence.
Description : How much air humidity can cause fungi or insects in fish food ?
Last Answer : If the humidity is more than 65% , fungi or insects can grow in fish food.
Description : What is the percentage of moisture in fish food that can cause fungi or insects ?
Last Answer : If the moisture content of fish food is more than 10% , fungi or insects can grow.
Description : Entomology is the study of – (1) Birds (2) Insects (3) Fossils (4) Fungi
Last Answer : (2) Insects Explanation: Entomology is the scientific study of insects, a branch of arthropodolo„ (.w. which in turn is a branch of biology. It is derived from Lhe Greek word `entomos' which means "that which is cut in pieces or engraved/ segmented", hence "insect".
Description : Which one of the following have the highest number of species in nature? (a) Fungi (b) Insects (c) Birds (d) Angiosperms
Last Answer : (b) Insects
Description : Entomology is the study of (1) Birds (2) Insects (3) Fossils (4) Fungi
Last Answer : Birds
Description : What is theInfection of the lungs caused by viruses bacteria or fungi?
Last Answer : Need answer
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 : 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 : 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 : 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 : 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 terms mycelium and hyphae are associated with A- algae B- fungi C- protozoa D- viruses
Last Answer : fungi
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 : What is Mycology? A- Study of viruses B- Study of nucleic acid C- Study of bacteriaD- 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 : 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
Description : Of the microorganisms, ____ are the greatest threat to food safety. a. viruses c. fungi b. parasites d. bacteria
Last Answer : d. bacteria
Description : Molds and yeast are classified as ____. a. viruses c. fungi b. parasites d. bacteria
Last Answer : c. fungi
Description : ____ are the tiniest, and probably the simplest form of life. a. Viruses c. Fungi b. Parasites d. Bacteria
Description : Afla toxins are produced by (1) Bacteria (2) Algae (3) Viruses (4) Fungi
Description : The scavengers f earth are (1) Bacteria (2) Viruses (3) Algae (4) Fungi
Last Answer : Algae
Description : Of all micro-organisms, the most adaptable and versatile are (1) Viruses (2) Bacteria (3) Algae (4) Fungi
Last Answer : Viruses
Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes
Last Answer : Answer : C
Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oneogenes
Description : The only correct statement about oncoviruses is (A) All the oncoviruses are RNA viruses (B) Reverse transcriptase is present in all oncoviruses (C) Viral oncogenes are identical to human protooncogens (D) Both DNA and RNA viruses can be oncoviruses
Last Answer : Answer : D
Description : All of the following statements about RNA-dependent DNA polymerase are true except: (A) It synthesizes DNA using RNA as a template (B) It is also known as reverse transcriptase (C) It synthesizes DNA in 5’→3’ direction (D) It is present in all the viruses
Description : Most viruses that infect plant possess (a) single-stranded DNA (b) single-stranded RNA (c) double-stranded DNA and RNA (d) double - stranded RNA only
Last Answer : Ans:(b)
Description : Some viruses have RNA but no DNA. This would indicate that – (1) these viruses cannot replicate (2) these viruses have no heritable information (3) RNA transmits the hereditary information in these viruses (4) their nucleic acids can be crystallised
Last Answer : (2) these viruses have no heritable information Explanation: DNA is an informational molecule encoding the genetic instructions Along with RNA and proteins, it is one of the three major macromolecules that are ... guanine, adenine, thymine, and cytosine) recorded using the letters G, A, T, and C.