TISSUE CULTURE

In-plant tissue culture, the callus tissues are generated into a complete plantlet by altering the concentration________.

• Sugars

• Hormones

• Amino Acids

• Vitamins and minerals

The pair of hormones required for a callus to differentiate are________.

• Ethylene and Auxin

• Auxin and cytokinin

• Auxin and Abscisic acid

• Cytokinin and gibberellin

Totipotency refers to ___________.

• Development of fruits from flowers in a culture

• Development of an organ from a cell in a culture medium

• Flowering in a culture medium

• All of the above

Which of the following plant cells shows totipotency?

• Cork cells

• Meristem

• Sieve tube

• Xylem vessels

What is Callus?

• Tissues that grow to form an embryoid

• An unorganised actively dividing the mass of cells maintained in a culture

• An insoluble carbohydrate

• A tissue that grows from an embryo

Micropropagation involves

• vegetative multiplication of plants by using micro-organisms.

• vegetative multiplication of plants by using small explants.

• vegetative multiplication of plants by using microspores.

• Non-vegetative multiplication of plants by using microspores and megaspores.