Tag: zoology

Questions Related to zoology

When a natural predator living being applied on the other pathogenic organisms to control them, this process is called as

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Biological control

  2. Genetic engineering

  3. Confusion technique

  4. Artificial control

Show answer
Correct Option: A
Explanation:

Biological control is a component of an integrated pest management strategy. Biological control is keeping the population of an organism or harmful pests and weeds under check by means of natural predators, parasites and amensals. 

Pyrethrin is extracted from

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Azadirachta indica

  2. Helianthus annuus

  3. Poa indica

  4. Chrysanthemum cinerarifolium

Show answer
Correct Option: D

Biopesticides includes

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Bioherbicides

  2. Bioinsecticides

  3. Bioherbicides and bioinsecticides

  4. Bioherbicides, bioinsecticides and biofertilizers

Show answer
Correct Option: C

A natural insecticide obtained from plants is

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Azadirachtin

  2. Rotenone

  3. Nicotine, pyrethrum and cinerin

  4. All of the above

Show answer
Correct Option: D

A common biocontrol agent for plant diseases is?

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Bacillus thuringiensis

  2. Glomus

  3. Trichoderma

  4. Baculovirus

Show answer
Correct Option: C
Explanation:

Trichoderma fungus is a common biological control for a range of plant pathogens.

Correct answer-C

Thurioside is proteinaceous toxin obtained from

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Biofertilizer

  2. Green manure

  3. Bacterial origin

  4. Farmyard manure

Show answer
Correct Option: C
Explanation:

Thurioside is obtained from bacteria Bacillus thuringiensis, used as a bioinsecticide.

Correct answer-C.

Which bacterium is used extensively as biopesticide?

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Bacillus subtilis

  2. Streptococcus lactis

  3. Bacillus thuringienesis

  4. Lactobacillus acidophilus

Show answer
Correct Option: C
Explanation:

Bacillus thuringienesis  is a potent agent that can function as a biopesticide.

Correct answer-C

Which is not used as a biopesticide?

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Xanthomonas campesteris

  2. Bacillus thuringiensis

  3. Trichoderma harzianum

  4. Nucleo polyhedro virus

Show answer
Correct Option: A
Explanation:

Xanthomonas campesteris is bacterial species that causes a variety of plant diseases,whereas the rest can be used as biopesticide.

Correct answer-A

Viruses of genus Nucleopolyhedrovirus are employed as.

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Gobar gas producers

  2. Biological control agents

  3. Anaerobic sludge digesters

  4. Antibiotics

  5. Atmospheric nitrogen fixing agents

Show answer
Correct Option: B
Explanation:

Viruses of genus Nucleopolyhedrovirus , Baculoviruses are species-specific narrow spectrum biocontrol agents for plant pathogens.

Correct answer-B

Microbe used for biocontrol of pest butterfly caterpillars is?

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Bacillus thuringiensis

  2. Streptococcus species

  3. Trichoderma species

  4. Saccharomyces cerevisiae

Show answer
Correct Option: A
Explanation:

Bacillus thuringiensis are regarded as excellent biocontrol agents for butterfly caterpillars, and hence used as bioinsecticide.

Correct answer-A