Plant breeding uses genetics to increase crop yields, quality, and resilience to biotic and abiotic challenges. Modern agriculture relies on plant breeding to meet rising food, fuel, and fibre needs. It uses hybridization, selection, mutation breeding, and genetic engineering to create plant varieties with desired features.
This MCQs on Plant Breeding blog has MCQs on plant breeding principles. These MCQs on Plant Breeding will test your plant breeding knowledge, whether you’re a student, researcher, or enthusiast. Let’s test your plant breeding knowledge!
MCQs on Plant Breeding
1. Which of the following is not a method of plant breeding?
a) Mass selection
b) Hybridization
c) Cell culture
d) Mechanical harvesting
2. Which of the following is an example of a self-pollinated crop?
a) Corn
b) Tomato
c) Wheat
d) All of the above
3. What is the goal of plant breeding?
a) To produce plants with desirable traits
b) To create genetically modified organisms
c) To make plants more resistant to diseases
d) All of the above
4. Which of the following is a disadvantage of traditional plant breeding?
a) Slow process
b) Limited genetic diversity
c) Cannot create transgenic plants
d) All of the above
5. Which of the following is a hybrid crop?
a) Corn
b) Wheat
c) Tomato
d) All of the above
6. What is the purpose of backcrossing in plant breeding?
a) To introduce desirable traits from wild relatives into cultivated plants
b) To increase genetic diversity
c) To remove undesirable traits from a hybrid plant
d) All of the above
7. Which of the following is an example of a cross-pollinated crop?
a) Soybean
b) Sunflower
c) Pea
d) All of the above
8. What is the main advantage of molecular breeding techniques?
a) Increased genetic diversity
b) Faster process
c) Reduced costs
d) All of the above
9. Which is a molecular breeding genetic marker?
a) DNA sequence
b) Morphological trait
c) Protein expression level
d) All of the above
10. What is the difference between inbreeding and outbreeding?
a) Inbreeding is self-pollination, while outbreeding is cross-pollination.
b) Inbreeding reduces genetic diversity, while outbreeding increases it.
c) None of the above
d) All of the above
11. What is the goal of marker-assisted selection in plant breeding?
a) To speed up the breeding process
b) To introduce genetic diversity
c) To create transgenic plants
d) All of the above
12. Which genetic marker is employed in molecular breeding?
a) Insertion of foreign DNA
b) Gene editing
c) Mutagenesis
d) Natural selection
13. Which of the following is a type of polyploid plant?
a) Triploid
b) Tetraploid
c) Hexaploid
d) All of the above
14. Which of the following is not a plant breeding objective?
a) Increased yield
b) Improved nutritional content
c) Decreased disease resistance
d) Enhanced tolerance to abiotic stress
15. Which plant breeding strategy uses vegetative propagation?
a) Grafting
b) Tissue culture
c) Cross-pollination
d) All of the above
Answers
1. d) Mechanical harvesting
2. d) All of the above
3. a) To produce plants with desirable traits
4. a) Slow process
5. a) Corn
6. c) To remove undesirable traits from a hybrid plant
7. b) Sunflower
8. b) Faster process
9. a) DNA sequence
10. d) All of the above
11. a) To speed up the breeding process
12. d) Natural selection
13. d) All of the above
14. c) Decreased disease resistance
15. a) Grafting