The smallest viable unit which can grow, multiply and form a plant in tissue culture is

The smallest viable unit which can grow, multiply and form a plant in tissue culture is
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The smallest viable unit which can grow, multiply and form a plant in tissue culture is A. Ceromosome B. Nucleus C. Cell D. Tissue
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Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false

Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false

In which of the techniques scaffolds are used to form new and viable tissue for medical use? a. Genetic engineering b. Animal modeling c. Mechanical engineering d. Tissue engineering

Description : In which of the techniques scaffolds are used to form new and viable tissue for medical use? a. Genetic engineering b. Animal modeling c. Mechanical engineering d. Tissue engineering

Last Answer : d. Tissue engineering

Failure of a viable pollen to grow down the style of the flower of the same variety is called ___________: a. Self sterility b. Self incompatibility c. Self unfruitfulness d. Sterility

Description : Failure of a viable pollen to grow down the style of the flower of the same variety is called ___________: a. Self sterility b. Self incompatibility c. Self unfruitfulness d. Sterility

Last Answer : Self incompatibility

One of the reasons Koch was able to show the cause of disease was that he could grow them a. in a pure culture b. in an animal host c. in a tissue culture d. in chicken eggs

Description : One of the reasons Koch was able to show the cause of disease was that he could grow them a. in a pure culture b. in an animal host c. in a tissue culture d. in chicken eggs

Last Answer : a. in a pure culture

An increase in the number of new cells in an organ or tissue that is reversible when the stimulus for production of new cells is removed is termed a) Hyperplasia. Hyperplasia occurs as cells multiply and are subjected to increased stimulation resulting in tissue mass enlargement. b) Hypertrophy. Hypertrophy is an increase in size and bulk of tissue that does not result from an increased number of cells. c) Atrophy. Atrophy refers to reduction in size of a structure after having come to full maturity. d) Neoplasia. With neoplasia, the increase in the number of new cells in an organ or tissue continues after the stimulus is removed.

Description : An increase in the number of new cells in an organ or tissue that is reversible when the stimulus for production of new cells is removed is termed a) Hyperplasia. Hyperplasia occurs as cells multiply ... in the number of new cells in an organ or tissue continues after the stimulus is removed.

Last Answer : a) Hyperplasia. Hyperplasia occurs as cells multiply and are subjected to increased stimulation resulting in tissue mass enlargement.

How many minimum tractor hours per year of 40 H.P. power should be used approximately for purely agricultural use and not for custom service unit to become viable unit ? (A) 500 hrs. (B) 600 hrs. (C) 1000 hrs. (D) 1500 hrs. (E) 2000 hrs.

Description : How many minimum tractor hours per year of 40 H.P. power should be used approximately for purely agricultural use and not for custom service unit to become viable unit ? (A) 500 hrs. (B) 600 hrs. (C) 1000 hrs. (D) 1500 hrs. (E) 2000 hrs.

Last Answer : (C) 1000 hrs.

How many minimum tractor hours per year of 40 H.P. power should be used approximately for purely agricultural use and not for custom service unit to become viable unit ? (A) 500 hrs. (B) 600 hrs. (C) 1000 hrs. (D) 1500 hrs. (E) 2000 hrs.

Description : How many minimum tractor hours per year of 40 H.P. power should be used approximately for purely agricultural use and not for custom service unit to become viable unit ? (A) 500 hrs. (B) 600 hrs. (C) 1000 hrs. (D) 1500 hrs. (E) 2000 hrs.

Last Answer : (E) 2000 hrs.

A few organisms are known to grow and multiply at temperatures of 100-105o C. They belong to (a) thermophilic sulphur bacteria (b) hot spring blue-green algae (c) methanogenic archaebacteria (d) marine archaebacteria.

Description : A few organisms are known to grow and multiply at temperatures of 100-105o C. They belong to (a) thermophilic sulphur bacteria (b) hot spring blue-green algae (c) methanogenic archaebacteria (d) marine archaebacteria.

Last Answer : (a) thermophilic sulphur bacteria

Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Description : Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Last Answer : (a) grow and multiply in very deep marine sediments

Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Description : Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Last Answer : (a) grow and multiply in very deep marine sediments

What is bagging technique in plant tissue culture? -Biology

Description : What is bagging technique in plant tissue culture? -Biology

Last Answer : answer:

Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed by the fusion of naked protoplasts of two plant.

Description : Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed by the fusion of naked protoplasts of two plant.

Last Answer : Assertion : A major advantage of tissue culture is protoplast fusion. Reason : A hybrid is formed ... false D. If both assertion and reason are false

Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any living plant cell is capable of differentiating into som

Description : Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any living plant cell is capable of differentiating into som

Last Answer : Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any ... false D. If both assertion and reason are false

If a person wants to obtain agar for tissue culture, which plant group he should search?

Description : If a person wants to obtain agar for tissue culture, which plant group he should search?

Last Answer : If a person wants to obtain agar for tissue culture, which plant group he should search?

How are plant tissue culture and the regeneration of plant cuttings alike?

Description : How are plant tissue culture and the regeneration of plant cuttings alike?

Last Answer : They are basically the same because in both cases somaticmultiplication and cell differentiation take place to establish anew plant.

With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

Description : With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

Last Answer : Ans. ((a))

A large number of identical plants can be obtained in a short span of time through - (1) large number of seeds of a single plant (2) stern cuttings (3) tissue culture technique (4) hydroponics method

Description : A large number of identical plants can be obtained in a short span of time through - (1) large number of seeds of a single plant (2) stern cuttings (3) tissue culture technique (4) hydroponics method

Last Answer : (3) tissue culture technique Explanation: Plant tissue culture is a collection of techniques used to maintain or grow plant cells, tissues or organs under sterile conditions on a nutrient culture medium ... hormones, which causes the plant part to grow at very rapid rates to produce new plantlets.

Who among the following is credited with starting the work on plant tissue culture? (1) F.C. Steward (2) P. Maheshwari (3) P.R. White (4) Haberlandt

Description : Who among the following is credited with starting the work on plant tissue culture? (1) F.C. Steward (2) P. Maheshwari (3) P.R. White (4) Haberlandt

Last Answer : (4) Haberlandt Explanation: G. Haberlandt, a German botanist, in 1902 cultured fully differentiated plant cells isolated from different plants. This was the very first step for the beginning of plant ... were made by the Cell Doctrine which admitted that a cell is capable of showing totipotency.

In your opinion, which is the most effective way to conserve the plant diversity of an area? (a) By tissue culture method (b) By creating biosphere reserve (c) By creating botanical garden (d) By developing seed bank

Description : In your opinion, which is the most effective way to conserve the plant diversity of an area? (a) By tissue culture method (b) By creating biosphere reserve (c) By creating botanical garden (d) By developing seed bank

Last Answer : (b) By creating biosphere reserve

Somaclones are obtained by (a) plant breeding (b) irradiation (c) genetic engineering (d) tissue culture

Description : Somaclones are obtained by (a) plant breeding (b) irradiation (c) genetic engineering (d) tissue culture

Last Answer : (d) tissue culture.

To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken? (a) Apical meristem only (b) Palisade parenchyma (c) Both apical and axillary meristems (d) Epidermis only

Description : To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken? (a) Apical meristem only (b) Palisade parenchyma (c) Both apical and axillary meristems (d) Epidermis only

Last Answer : (c) Both apical and axillary meristems

A plant hormone used for inducing morphogenesis in plant tissue culture is (a) cytokinins (b) ethylene (c) abscisic acid (d) gibberellins.

Description : A plant hormone used for inducing morphogenesis in plant tissue culture is (a) cytokinins (b) ethylene (c) abscisic acid (d) gibberellins.

Last Answer : (a) cytokinins

Mark the INCORRECT statement about agar, a gelling agent in plant tissue culture medium a. Not digested by plant enzymes b. It does not use in micro-propagation work c. It does not react with media constituents d. Remain stable at incubation temperature

Description : Mark the INCORRECT statement about agar, a gelling agent in plant tissue culture medium a. Not digested by plant enzymes b. It does not use in micro-propagation work c. It does not react with media constituents d. Remain stable at incubation temperature

Last Answer : b. It does not use in micro-propagation work

Who among the following is credited with starting the work on plant tissue culture? (1) F.C. Steward (2) P. Maheshwari (3) P.R. White (4) Haberlandt

Description : Who among the following is credited with starting the work on plant tissue culture? (1) F.C. Steward (2) P. Maheshwari (3) P.R. White (4) Haberlandt

Last Answer : Haberlandt

A large number of identical plants can be obtained in a short span of time through (1) large number of seeds of a single plant (2) stem cuttings (3) tissue culture technique (4) hydroponics method

Description : A large number of identical plants can be obtained in a short span of time through (1) large number of seeds of a single plant (2) stem cuttings (3) tissue culture technique (4) hydroponics method 

Last Answer : tissue culture technique

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