Mcqs On Biopesticides
Biopesticides are pesticides of biological origin. These include natural products and organisms used for pest control, such as bacteria, fungi, virus, chemicals derived from plants (e.g. neem oil) and genetically modified crops (e.g. Bt cotton). Unlike traditional pesticides, biopesticides do not alter plant physiology or provide nutrients; instead, they act on pests directly.
1. What is used as a biocontrol agent against caterpillars of butterflies?
Trichoderma
Streptococcus
Bacillus Thuringiensis
Saccharomyces cerevisiae
What is the correct answer?
Answer: (c)
2. What are the uses of microbes as biological control agents for pests/diseases?
(a) Planting Bt-cotton to increase the yield of cotton
(b) Ladybird Beetle for controlling Aphids in Mustard
(c) Trichoderma sp. against plant pathogens
Nucleopolyhedrovirus against white rust in Brassica
Which of the following is the correct answer?
a) Option A
b) Option B
c) Option C
Answer: (c) Option C
3. A Biocontrol Agent for Plant Diseases
Trichoderma
Glomus
*Bacillus thuringiensis*
(d) Baculovirus
The cat meowed.
Answer: (a) The cat meowed.
Which of the following is not a biopesticide?
Nucleopolyhedrovirus
Xanthomonas campestris
Bacillus thuringiensis
Trichoderma harzianum
Which one of the following is correct?
- (a) This is the wrong answer
- (b) This is the correct answer
Answer: (b) This is the correct answer
5. Trichoderma harzianum is used for biocontrol of plant pathogens.
Wasteland Reclamation
(b) Bioremediation of Contaminated Soil
(c) Biocontrol Agent Against Plant Pathogens
(d) Gene Transfer
Which of the following is an example of a programming language?
Answer: (c) Java
Which of the following is a biocontrol agent for nematodal diseases?
Pseudomonas cepacia
Pisolithus tinctorius
Paecilomyces lilacinus
Gliocladium virens
Which of the following is a type of computer memory?
-A) Hard drive -B) Monitor -C) RAM
Answer: (C) RAM
This pesticide is of the third generation.
(a) Pheromones
(b) Pathogens
(c) Carbamates and Organophosphates
(d) Insect Repellants
What is the capital of France?
Answer: (a) The capital of France is Paris.
Cochineal insects are used to produce a red dye.
Parthenium Control
(b) Weed Control
(c) Prevention of Eicchornia
(d) Prevention of Cactus
Which of the following is the correct answer?
- (a) Option A
- (b) Option B
- (c) Option C
- (d) Option D
Answer: (d) Option D
The process of using a natural predator to control a pathogen is referred to as Biological Control.
(a) Genetic Engineering
Biological Control
(c) Confusion Technique
(D) Artificial Control
Which of the following is true?
- (a) The Earth is flat
- (b) The Earth is round
Answer: (b)
10. Rotenone is used as a pesticide
Bioherbicide
(b) Insect Hormone
(c) Natural Insecticide
(d) Natural Herbicide
Which of the following is the correct answer?
- a) wrong
- b) wrong
- c) correct
Answer: c) correct
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