Biology

Plant Propagation Techniques

591 Questions

Plant propagation techniques cover both natural and artificial methods of cultivating plants, including micropropagation, tissue culture, and layering. These botanical concepts evaluate how desirable characteristics are multiplied and transferred into new plants. Questions on this topic routinely feature in the biology segment of various state and central competitive exams.

Micropropagation methodsArtificial vegetative propagationPlant tissue cultureLayering techniquesMeristem differentiation

Plant Propagation Techniques Questions

Multiple choice

_________ patches are better than one patch

  1. Several

  2. Proximate

  3. Large

  4. Patches with native plant
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Having several patches provides redundancy and increased total area, which is generally better for population stability than a single isolated patch.

Multiple choice

The cultivation of ornamental flowering plants

  1. botany

  2. none of the above

  3. florinomics

  4. Floriculture
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Floriculture is the branch of horticulture concerned with the cultivation of flowering and ornamental plants for gardens and the floral industry.

Multiple choice

Which of these is a scientific hypothesis about the growth of a plant?

  1. Plants make a pretty decoration in the house.

  2. Plants grow best when they are happy.

  3. It's fun to watch this plany grow.

  4. This plany will grow best in sunlight.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Option D is a testable hypothesis: 'This plant will grow best in sunlight.' It makes a specific prediction that can be tested by comparing plant growth in different light conditions. Options A, B, and C are opinions or statements, not testable predictions.

Multiple choice

The science of producing vegetables is called:

  1. Pomology

  2. Olericulture

  3. Horticulture

  4. Ornamental Horticulture
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Olericulture is the specific branch of horticulture that deals with the production, storage, processing, and marketing of vegetables.

Multiple choice botany reproduction in flowering plants common modes of vegetative propagation plant breeding for food production tissue culture

Stem cuttings are commonly used for propagation in 

  1. Rubber

  2. Mangoes

  3. Sugarcane

  4. Jasmine
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vegetative reproduction is a type of asexual reproduction in which new plants are formed from the vegetative parts like, tubers, runners, suckers, rhizomes etc. Some of the plants can be propagated by the means of cutting. The part which is cut is allowed to grow into a new plant. Stem cutting which can be referred as the cane cuttings are used in the case of sugarcane. 

So, the correct answer is option C.

Multiple choice

Which of the following is NOT a common method of fruit tree propagation?

  1. Grafting

  2. Budding

  3. Layering

  4. Seed
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Seed is not a common method of fruit tree propagation because it can result in trees that are not true-to-type and may not have the desired characteristics.

Multiple choice

What is the term for the process of growing tissue in a laboratory setting?

  1. Tissue culture

  2. Cell culture

  3. Organ culture

  4. Embryo culture
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tissue culture is the process of growing tissue in a laboratory setting.

Multiple choice

What are the exceptions to plant variety protection?

  1. The use of the plant variety for research purposes

  2. The use of the plant variety for private and non-commercial purposes

  3. The use of the plant variety for the development of new plant varieties

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

There are a number of exceptions to plant variety protection, including the use of the plant variety for research purposes, for private and non-commercial purposes, and for the development of new plant varieties.

Multiple choice

What is the Plant Variety Protection Act (PVPA)?

  1. A United States law that protects the rights of plant breeders

  2. A European Union law that protects the rights of plant breeders

  3. A Canadian law that protects the rights of plant breeders

  4. A Japanese law that protects the rights of plant breeders
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The PVPA is a United States law that protects the rights of plant breeders. It was enacted in 1970 and has been amended several times since then.