Metaphase chromosomes can be identified

a. by shape.                 

b. by the size and number of introns.

c. by banding patterns with Giemsa reagent.

d. by chromosome painting.

TLS Online TPP Program

#Question id: 37899

#Plant Biotechnology

In the culture of nucellar tissue, Malt Extract is often used as a supplement. It can be replaced by a combination of:

TLS Online TPP Program

#Question id: 37900

#Plant Biotechnology

Consider the following statements regarding the Auxin:Cytokinin ratio:

1. High Cytokinin favors shoot formation.

2. High Auxin suppresses bud differentiation.

3. High Cytokinin:Auxin ratio can promote both xylem and phloem differentiation.

Which of the statements given above are CORRECT?

TLS Online TPP Program

#Question id: 37901

#Plant Biotechnology

Tropane alkaloid production in root cultures is commonly associated with plants belonging to:

TLS Online TPP Program

#Question id: 37902

#Plant Biotechnology

Which of the following plants is known for producing tropane alkaloids in root cultures?

TLS Online TPP Program

#Question id: 37903

#Plant Biotechnology

Match the scientists in List I with their specific contribution in List II:

Column I	Column II
A. Endosperm	1. Triploid tissue formed after double fertilization
B. Albuminous seed	2. Endosperm persists in mature seed
C. First report of endosperm culture	3. Lampe and Mills (1933)
D. Immature endosperm culture	4. Proliferation common; organogenesis rare
E. Critical age for rice endosperm culture	5. 4–7 days after pollination
F. Medium supplements for endosperm culture	6. Yeast extract or casein hydrolysate
G. Mature endosperm of parasitic species	7. Requires cytokinin ± auxin

TLS Online TPP Program

#Question id: 37904

#Plant Biotechnology

Which of the following statements regarding Endosperm Culture is INCORRECT?