Explain biological control of plant diseases? -Biology

Explain biological control of plant diseases? -Biology
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Which one of the following is an example of carrying out biological control of pests/diseases using microbes? (a) Trichoderma sp. against certain plant pathogens. (b) Nucleopolyhedrovirus against white rust in Brassica. (c) Bt-cotton to increase cotton yield. (d) Lady bird beetle against aphids in mustard.

Description : Which one of the following is an example of carrying out biological control of pests/diseases using microbes? (a) Trichoderma sp. against certain plant pathogens. (b) Nucleopolyhedrovirus against white rust ... c) Bt-cotton to increase cotton yield. (d) Lady bird beetle against aphids in mustard.

Last Answer : (a) Trichoderma sp. against certain plant pathogens.

Which one of the following is an example of carrying out biological control of pests/diseases using microbes ? (1) Lady bird beetle against aphids in mustard (2) Trichoderma sp. against certain plant pathgens (3) Nucleopolyhedrovirus against white rust in Brassica (4) Bt-cotton to increase cotton yield

Description : Which one of the following is an example of carrying out biological control of pests/diseases using microbes ? (1) Lady bird beetle against aphids in mustard (2) Trichoderma sp. against ... pathgens (3) Nucleopolyhedrovirus against white rust in Brassica (4) Bt-cotton to increase cotton yield

Last Answer : (2) Trichoderma sp. against certain plant pathgens

Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Description : Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Last Answer : (2) Biological control of crop diseases Explanation: Mushroom cultivation has been found to coincide with decrease of incidents of breast cancer. Spent residues after cultivation could ... production; and agricultural waste recycling can be achieved through controlled cultivation of mushrooms.

Mushroom cultivation is not useful in – (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Description : Mushroom cultivation is not useful in – (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Last Answer : (2) Biological control of crop diseases

Which one of the following proved effective for biological control of nematodal diseases in plants? (a) Gliocladium virens (b) Paecilomyces lilacinus (c) Pisolithus tinctorius (d) Pseudomonas cepacia

Description : Which one of the following proved effective for biological control of nematodal diseases in plants? (a) Gliocladium virens (b) Paecilomyces lilacinus (c) Pisolithus tinctorius (d) Pseudomonas cepacia

Last Answer : (b) Paecilomyces lilacinus

The two most practical means of the home owner to control insects and diseases are: a. Mechanical and chemical b. Mechanical and biological c. Chemical and biological d. Biological and natural

Description : The two most practical means of the home owner to control insects and diseases are: a. Mechanical and chemical b. Mechanical and biological c. Chemical and biological d. Biological and natural

Last Answer : Mechanical and biological

Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Description : Mushroom cultivation is not useful in (1) Biogas production (2) Biological control of crop diseases (3) Recycling of agricultural wastes (4) Preventing cancer

Last Answer : Biological control of crop diseases

Mass killing diseases can be referred as a. Biological disaster b. Industrial disaster c. War disaster d. Flood disaster

Description : Mass killing diseases can be referred as a. Biological disaster b. Industrial disaster c. War disaster d. Flood disaster

Last Answer : a. Biological disaster

Explain biological control of pests. -Biology

Description : Explain biological control of pests. -Biology

Last Answer : answer:

Trichoderma harzianum has proved a useful microorganism for (a) gene transfer in higher plants (b) biological control of soil-borne plant pathogens (c) bioremediation of contaminated soils (d) reclamation of wastelands.

Description : Trichoderma harzianum has proved a useful microorganism for (a) gene transfer in higher plants (b) biological control of soil-borne plant pathogens (c) bioremediation of contaminated soils (d) reclamation of wastelands.

Last Answer : (b) biological control of soil-borne plant pathogens

. A common biocontrol agent for the control of plant diseases is (a) baculovirus (b) Bacillus thuringiensis (c) Glomus (d) Trichoderma.

Description : . A common biocontrol agent for the control of plant diseases is (a) baculovirus (b) Bacillus thuringiensis (c) Glomus (d) Trichoderma.

Last Answer : (d) Trichoderma.

What is biological control? -Biology

Description : What is biological control? -Biology

Last Answer : answer:

2.In which way has the study of biology helped us to control infectious diseases? -Science

Description : 2.In which way has the study of biology helped us to control infectious diseases? -Science

Last Answer : The science that makes a study of diseases is called pathology, though in a broad sense it includes diagnostic, prophylactic and curative measures too. Pathology is a study of diseases of all ... controlling the pathogen. In this way the study of biology helped us to control infectious diseases.

Name some plant diseases caused by viruses? -Biology

Description : Name some plant diseases caused by viruses? -Biology

Last Answer : Information TOBACCO MOSAIC VIRUS (TMV) TOMATO SPOTTED WILT VIRUS (TSWV) TOMATO YELLOW LEAF CURL VIRUS (TYLCV) CUCUMBER MOSAIC VIRUS (CMV) POTATO VIRUS Y (PVY) CAULIFLOWER MOSAIC VIRUS (CaMV) AFRICAN CASSAVA MOSAIC VIRUS (ACMV) PLUM POX VIRUS (PPV)

What are the plant diseases caused by bacteria? -Biology

Description : What are the plant diseases caused by bacteria? -Biology

Last Answer : answer:

Q1. Why should preventive measures and biological control methods be preferred for protecting crops? -Science

Description : Q1. Why should preventive measures and biological control methods be preferred for protecting crops? -Science

Last Answer : Over exposure of chemicals leads to environmental problems hence, biological methods are preferred for protecting crops from pathogens, insects and rodents along with increasing the production. Since chemicals are ... feed on it, hence bio-pesticides are used as the safe way of crop protection.

biological pest control methods supplement but cannot replace chemical pest control methods. -General Knowledge

Description : biological pest control methods supplement but cannot replace chemical pest control methods. -General Knowledge

Last Answer : The given statement is false.

Which can be used for biological control of mosquitoes? -General Knowledge

Description : Which can be used for biological control of mosquitoes? -General Knowledge

Last Answer : The answer is 'Gambusia '

Which can be used for biological control of mosquitoes? -General Knowledge

Description : Which can be used for biological control of mosquitoes? -General Knowledge

Last Answer : answer:

Which can be used for biological control of mosquitoes? -General Knowledge

Description : Which can be used for biological control of mosquitoes? -General Knowledge

Last Answer : answer:

Biological control of agricultural pests, unlike chemical controls is

Description : Biological control of agricultural pests, unlike chemical controls is

Last Answer : Biological control of agricultural pests, unlike chemical controls is A. Toxic B. Polluting C. Self perpetuating D. Very expensive

Which of the following can be used for biological control of mosquitoes? (1) DDT (2) Gambusia (3) Oil (4) Ointments

Description : Which of the following can be used for biological control of mosquitoes? (1) DDT (2) Gambusia (3) Oil (4) Ointments

Last Answer : (2) Gambusia Explanation: Biological control is the use of natural enemies to manage the mosquito population. Effective biocontrol agent s include predatory fish that teed on mosquito larvae such as Gambusia affinis (mosquitofish) and some cyprinids (Carps and minnows).

The method not used as a Biological control is : (1) Use of predators of a pest. (2) Pheromone traps (3) Use of pesticides (4) Use of neem extracts

Description : The method not used as a Biological control is : (1) Use of predators of a pest. (2) Pheromone traps (3) Use of pesticides (4) Use of neem extracts

Last Answer : (3) Use of pesticides Explanation: Pesticides are substances or mixture of substances intended for preventing, destroying, repelling or mitigating any pest. Pesticides are a special kind of ... or disinfectant) that through its effect deters, incapacitates, kills or otherwise discourages pests.

Biological control of agricultural pests, unlike chemical control, is (a) self perpetuating (b) polluting (c) very expensive (d) toxic.

Description : Biological control of agricultural pests, unlike chemical control, is (a) self perpetuating (b) polluting (c) very expensive (d) toxic.

Last Answer : (a) self perpetuating

. One of the major difficulties in the biological control of insect pest is that (a) the method is less effective as compared with the use of insecticides (b) the practical difficulty of introducing the predator to specific areas (c) the predator develops a preference to other diets and may itself become a pest (d) the predator does not always survive when transferred to a new environment.

Description : . One of the major difficulties in the biological control of insect pest is that (a) the method is less effective as compared with the use of insecticides (b) the practical difficulty of introducing ... become a pest (d) the predator does not always survive when transferred to a new environment.

Last Answer : (d) the predator does not always survive when transferred to a new environment.

When a natural predator (living being) is applied on the other pathogen organism to control them, this process is called (a) artificial control (b) confusion technique (c) biological control (d) genetic engineering.

Description : When a natural predator (living being) is applied on the other pathogen organism to control them, this process is called (a) artificial control (b) confusion technique (c) biological control (d) genetic engineering.

Last Answer : (c) biological control

Biological control component is central to advanced agricultural production. Which of the following is used as a third generation pesticide? (a) Insect repellants (b) Organophosphate and carbamates (c) Pathogens (d) Pheromones

Description : Biological control component is central to advanced agricultural production. Which of the following is used as a third generation pesticide? (a) Insect repellants (b) Organophosphate and carbamates (c) Pathogens (d) Pheromones

Last Answer : (d) Pheromones

Fish which can be used in biological control of mosquitoes/larvicidal fish is (a) Eel (b) carp (c) cat fish (d) Gambusia

Description : Fish which can be used in biological control of mosquitoes/larvicidal fish is (a) Eel (b) carp (c) cat fish (d) Gambusia

Last Answer : (d) Gambusia.

Sun drying is — method of pest control. a. Physical b. Chemical c. Biological d. Cultural

Description : Sun drying is — method of pest control. a. Physical b. Chemical c. Biological d. Cultural

Last Answer : a. Physical

Cultivation of resistant variety is —- method of pest control. a. Physical b. Chemical c. Biological d. Cultural

Description : Cultivation of resistant variety is —- method of pest control. a. Physical b. Chemical c. Biological d. Cultural

Last Answer : d. Cultural

Which family has received most interest in their development as a biological control agent A- Reoviridae B- Baculoviridae C- .Iridoviridae D- Poxviridae

Description : Which family has received most interest in their development as a biological control agent A- Reoviridae B- Baculoviridae C- .Iridoviridae D- Poxviridae

Last Answer : Baculoviridae

Which can be used for biological control of mosquitoes?

Description : Which can be used for biological control of mosquitoes?

Last Answer : Gambusia

Biological weed control is not successful because a). Not possible to eradicate weed b). Bioagents are weed specific c). Controlled only introduced weeds d). All of these

Description : Biological weed control is not successful because a). Not possible to eradicate weed b). Bioagents are weed specific c). Controlled only introduced weeds d). All of these

Last Answer : d). All of these

The environment friendly weed control method a). Biological b). Physical c). Chemical d). None

Description : The environment friendly weed control method a). Biological b). Physical c). Chemical d). None

Last Answer : a). Biological

Which of the following can be used for biological control of mosquitoes ? (1) DDT (2) Gambusia (3) Oil (4) Ointments

Description : Which of the following can be used for biological control of mosquitoes ? (1) DDT (2) Gambusia (3) Oil (4) Ointments

Last Answer : Gambusia

The method not used as a Biological control is : (1) Use of predators of a pest. (2) Pheromone traps (3) Use of pesticides (4) Use of neem extracts

Description : The method not used as a Biological control is : (1) Use of predators of a pest. (2) Pheromone traps (3) Use of pesticides (4) Use of neem extracts

Last Answer : Use of pesticides

Which of the following is a Biological method of soil conservations ? (1) Contour farming (2) Contour terracing (3) Gully control (4) Basin listing

Description : Which of the following is a Biological method of soil conservations ? (1) Contour farming (2) Contour terracing (3) Gully control (4) Basin listing

Last Answer : Contour farming

What has evolved using biology and physics to explain biological processes ?

Description : What has evolved using biology and physics to explain biological processes ?

Last Answer : Biophysics is developed using biology and physics to explain biological processes .

Is not considered an aspect of environmental health Control of drinking water Control of hazardous chemicals Control of sexually transmitted diseases Control of public sanitation?

Description : Is not considered an aspect of environmental health Control of drinking water Control of hazardous chemicals Control of sexually transmitted diseases Control of public sanitation?

Last Answer : What is the answer ?

Choose the correct statement about drotaverine: A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms B. It is a papaverine congener used in peripheral vascular diseases C. It is a synthetic atropine substitute used to control diarrhoea D. It is a M1/M3 selective antagonist used for spastic constipation

Description : Choose the correct statement about drotaverine: A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms B. It is a papaverine congener used in peripheral vascular diseases C. It ... used to control diarrhoea D. It is a M1/M3 selective antagonist used for spastic constipation

Last Answer : A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms

Choose the correct statement about drotaverine: A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms B. It is a papaverine congener used in peripheral vascular diseases C. It is a synthetic atropine substitute used to control diarrhoea D. It is a M1/M3 selective antagonist used for spastic constipation

Description : Choose the correct statement about drotaverine: A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms B. It is a papaverine congener used in peripheral vascular diseases C. It ... used to control diarrhoea D. It is a M1/M3 selective antagonist used for spastic constipation

Last Answer : A. It is a smooth muscle antispasmodic acting by non-anticholinergic mechanisms

Give biological classification of Mustard plant?

Description : Give biological classification of Mustard plant? 

Last Answer :  Kingdom- Plantae ™ Phylum- Anthophyt ™ Class -Dicotyledonae ™ Order -Capparales ™ Family -Brassicaceae ™ Genus -Brassica ™ Species -Brassica Campestris 

C4 plant normaly produce more biological yield than C3 plant because of: (A) More photorespiration (B) Less photorespiration (C) Less photophosphorylation (D) More photophosphorylation

Description : C4 plant normaly produce more biological yield than C3 plant because of: (A) More photorespiration (B) Less photorespiration (C) Less photophosphorylation (D) More photophosphorylation

Last Answer : (B) Less photorespiration

A plant or biological model which is expected to perform in predictable manner in given environment is called — a. Clone b. Inbreed c. Pure line d. Ideotype

Description : A plant or biological model which is expected to perform in predictable manner in given environment is called — a. Clone b. Inbreed c. Pure line d. Ideotype

Last Answer : d. Ideotype

Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by (A) Chlorination (B) Treating in biological oxygen pond (C) Chemical coagulation (D) None of these

Description : Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by (A) Chlorination (B) Treating in biological oxygen pond (C) Chemical coagulation (D) None of these

Last Answer : (B) Treating in biological oxygen pond

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by (A) Biological oxygen pond (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) (C) Lagoons (D) Filtration

Description : Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by (A) Biological oxygen pond (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) (C) Lagoons (D) Filtration

Last Answer : (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)

tomato plant diseases need cure

Description : tomato plant diseases need cure

Last Answer : Need Answer

Where can I find photos of Blueberry plant diseases?

Description : Where can I find photos of Blueberry plant diseases?

Last Answer : Need Answer

tomato plant diseases

Description : tomato plant diseases

Last Answer : Need Answer

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

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)