Hardening

Q. Describe different steps involved in tissue culture technique.

Q. The plants developed by tissue culture of a specific plant tissue or part are genetically ______ and are known as ________.

1. non-identical, somatic hybrids
2. identical, somaclones
3. non-identical, hybrids
4. identical, explants

Q. The final stage in tissue culture programme before the new plants are taken out for cultivation in the fields is known as

1. Micropropagation
2. Organogenesis
3. Embryogeneis
4. Hardening

Q. Piece of sterile plant tissue that is used for tissue culture under aseptic condition is

1. Inoculant
2. Explant
3. Clone
4. Somaclone

Q.

1. Explant
2. Somaclone
3. Inoculant
4. Clone

Q. The correct sequence in the tissue culture technique is ______________.

1. Inoculation - explant incubation - callus formation - organogenesis - preparation of medium - transferred to field
2. Preparation of medium - inoculation - explant incubation - callus formation - organogenesis - transferred to field
3. Explant incubation - preparation of medium - inoculation - organogenesis - callus formation - transferred to field
4. Preparation of medium - inoculation - explant incubation - organogenesis - callus formation - transferred to field

Q. A plant which is cultivated by tissue culture technique is

1. Citrus
2. Apple
3. Pear
4. Guava

Q. What are the outcomes of application of plant tissue culture? (Any ten)

Q.

Explant is ?

1. Plant collected after harvesting
2. Exploited part of a plant
3. Small part of the plant meant for tissue culture
4. Uprooted for transplantation

Q. List any applications of tissue culture.

Q. Cite the advantages of propagation by tissue culture technique.

Q. The final stage in tissue culture before new plants are taken out to the fields is called ______.

1. micropropagation
2. embryogenesis
3. caulogenesis
4. hardening

Q. The final stage in tissue culture before new plants are taken out to the fields is called ______.

1. hardening
2. micropropagation
3. embryogenesis
4. caulogenesis

Q. Saplings developed during tissue culture are exclusively the products of

1. Mitosis
2. Karyokinesis
3. Cytokinesis
4. Meiosis