Tag: zoology

Questions Related to zoology

A third generation pesticide is

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Pheromone

  2. Weedicide

  3. Juvenile hormone analogue

  4. Both A and B

Show answer
Correct Option: C

A major pest eradicated through release of sterile males is

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Screw worm

  2. Aphids

  3. Ladybug

  4. Praying Mantis

Show answer
Correct Option: A

The earliest pesticide was

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Margosa

  2. Pyrethrum

  3. Nicotine

  4. DDT

Show answer
Correct Option: A

Find out the pairs which are correctly matched.

a Cyanobacteria $1$ Biopesticide
b Mycorrhiza $2$ Solubilisation of phosphate
c Bacillus thuringiensis $3$ Cry protein
d Single cell protein $4$ Rhizobia
zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. A and $2$

  2. B and $3$

  3. C and $3$

  4. A and $3$

  5. B and $4$

Show answer
Correct Option: C
Explanation:

Bacillus thuringiensis have Bt toxin encoded by cry genes forming cry proteins.

 Correct answer-C

Which one of the following is a neem product used as insect repellent?

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Rotenone

  2. Azadirachtin

  3. Parathion

  4. Endrin

Show answer
Correct Option: B

Which proves to be effective biological control for nematodal pathogens of plants?

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Pseudomonas cepacia

  2. Pisolithus tinctorius

  3. Gliocladium virens

  4. Paecilomyces lilacinus

Show answer
Correct Option: D
Explanation:

The egg pathogenic fungus Paecilomyces lilacinus is a biocontrol fungus for check from nematodal pathogens of plants.

Correct answer-D

Devine and Collego are two trade names for

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Bioherbicides

  2. Bioinsecticides

  3. Biofungicide

  4. Natural insecticides

Show answer
Correct Option: A

Trichoderma harzianum is useful for.

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Gene transfer in higher plants

  2. Biological control of soil borne pathogens/ biopesticide

  3. Bioremediation of contaminated soils

  4. Reclamation of waste land

Show answer
Correct Option: B
Explanation:

The fungus Trichoderma species are free-living fungi that are very common in root ecosystems and are effective biocontrol agents of several plant pathogens.

Correct answer-B

A biodegradable insecticide has been obtained from.

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Sunflower

  2. Sweet Clover

  3. Marigold

  4. Opuntia

Show answer
Correct Option: C
Explanation:

Answer is option C i.e. "Marigold"
Biodegradable insecticides are types of insecticides derived from natural materials as plants, bacteria, etc. Bioinsecticide from marigold flowers contains chemicals called thiophenes which are toxic to the larvae of mosquitoes that carry malaria and yellow fever. Bioinsecticide made from marigold also contains repellent against major tomato pests: whiteflies, thrips, and spider mites.

Which one of the following insecticides is of plant origin?

zoology sustainable agriculture microbes and farming biopesticide environmental protection

  1. Ecdysone

  2. Rolenone

  3. Parathion

  4. Malathion

Show answer
Correct Option: B