Biology

Plant Propagation Techniques

660 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

Different types of grafting are __________.

  1. bud grafting and crown grafting

  2. approach grafting and tongue grafting

  3. wedge grafting and crown grafting

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

Grafting techniques include bud, crown, approach, tongue, and wedge grafting. Since all listed pairs are valid types, 'All the above' is correct.

Multiple choice

The special modes of propagation are __________.

  1. parthenogenesis

  2. sporophytic budding

  3. polyembryony and apomixes

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

Parthenogenesis, sporophytic budding, polyembryony, and apomixis are all recognized special or asexual modes of plant reproduction.

Multiple choice

Grafting can be done in ______ plant/s.

  1. mango

  2. apple

  3. citrus

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

Grafting is a widely used horticultural technique for propagating many fruit trees, including mango, apple, and citrus.

Multiple choice

Which of the following can be reproduced by vegetative propagation?

a. Bryophyllum b. Moss c. Money plant

  1. a and b

  2. b and c

  3. a and c

  4. a, b and c

  5. only c
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct answer as both bryophyllum and cactus can be grown with vegetative propagation. Bryophyllum plants can be reproduced by vegetative propagation by using either a piece of its stem or leaves. Money plant can be grown by vegetative propagation by using a piece of its stem.

Multiple choice

Which of the following statements is/are correct?

a. In layering, a shoot of a parent plant is bent until it can be covered by soil. b. Cutting is the method in which the cut stems of two different plants are joined in such a manner that the two stems join and grow as a single plant. c. The scion is the above ground part of one plant which is attached to the stock, which is the rooted part of the second plant.

  1. a, b and c

  2. a and b

  3. a and c

  4. b and c

  5. only c
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct answer. In layering, a shoot of a parent plant is bent until it can be covered by soil. In grafting, the scion is the above ground part of one plant. The scion is attached to the stock which is the rooted part of the second plant. Grafting is the method in which the cut stems of two different plants are joined in such a manner that the two stems join and grow as a single plant.