Tag: plant tissue culture

Quizzes (3) Questions (81)

Questions Related to plant tissue culture

Multiple choice botany tissue culture common modes of vegetative propagation plant breeding for food production plant tissue culture

The term 'totipotency' refers to the capacity of a 

  1. cell to generate whole plant

  2. bud to generate whole plant

  3. seed to germinate

  4. cell to enlarge in size
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The capacity to generate a whole new plant from any cell is called totipotency. That whole plant could be regenerated from explants ( any part of plant that taken out and grown under sterile conditions in a special nutritive media). 

So, the correct option is 'Option A' .

Multiple choice botany tissue culture common modes of vegetative propagation plant breeding for food production plant tissue culture

Micropropagation involves ____________________.

  1. Vegetative multiplication of plants by using microorganisms

  2. Vegetative multiplication of plants by using small explants

  3. Vegetative multiplication of plants by using micro-spores

  4. Non-vegetative multiplication of plants by using microspores and megaspores
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Micropropagation is the tissue culture technique used for rapid vegetative multiplication of ornamental plants and fruit trees by using small sized explants.

Multiple choice botany tissue culture common modes of vegetative propagation plant breeding for food production plant tissue culture

Which of the following problem does the frequent deep sea diver organism like whales may face?

  1. compression of tissue surrounding air filled cavities.

  2. High blood nitrogen levels

  3. Lack of oxygen

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

Diving to depth can result in mechanical distortion and tissue compression, especially in gas-filled spaces of the body. Absorption of nitrogen into blood can cause high blood nitrogen levels which can exert amniotic effect. Lungs of the deep-diver cannot serve as a source of oxygen during the dive. 

Multiple choice botany tissue culture common modes of vegetative propagation plant breeding for food production plant tissue culture

An explant is

  1. dead plant

  2. part of the plant

  3. part of the plant used in tissue culture

  4. part of the plant that expresses a specific gene
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An explant is a part of the plant that taken out and grown in special nutritive media under sterile conditions. This is the process to generate a whole plant in tissue culture.

So, the correct option is 'Option C' .

Multiple choice botany tissue culture common modes of vegetative propagation plant breeding for food production plant tissue culture

Vegetative propagation through cell or tissue culture is known as

  1. Macropropagation

  2. Cloning

  3. Micropropagation

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

Micropropagation is culture of apical shoots, axillary buds and meristems on suitable nutrient medium to produce a genetically identical progeny. Macropropagation is production of progeny by means of conventional techniques including cuttings, air-layering and grafting. Production of genetically identical cell lineage or organisms is called as cloning. It includes both conventional and tissues culture techniques. Asexual propagation refers to production of progeny by single parent plant, it can occur through vegetative propagules (rhizome, tubers and bulb) or by artificial methods (cutting, and grafting).

Hence, the correct option is C.

Multiple choice botany tissue culture common modes of vegetative propagation plant breeding for food production plant tissue culture

Callus is

  1. Undifferentiated mass of a tissue

  2. Root formation in culture media

  3. Plant hormones

  4. Plant byproduct
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Plant callus is a mass of unorganized cells derived from plant tissue for use in biological research and biotechnology. In plant biology, callus cells are those cells that cover a plant wound. Callus formation is induced from plant tissues after surface sterilization and plating onto in vitro tissue culture medium. Plant growth regulators, such as auxins, cytokinins and gibberellins are supplemented into the medium to initiate callus formation or somatic embryogenesis.

So, the correct answer is 'underdifferentiated mass of a tissue'

Multiple choice botany tissue culture common modes of vegetative propagation plant breeding for food production plant tissue culture

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

  1. Inoculant

  2. Explant

  3. Clone

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

Explant is any portion taken from a plant that will be used to initiate a culture. It can be a portion of the shoot or of the leaves or even just some cells. It is a piece of sterile plant tissue to be used for tissue culture under aseptic conditions. Inoculant is the active material used in an inoculation. Clones are organisms that are exact genetic copies. Somacloning is cloning of plant with a single cell. 

Thus, the correct answer is option B.