TLS Online TPP Program

#Question id: 4748


Eye color in Drosophila present on X chromosome, Red eye color is dominant over white eye color. There is non disjunction in Meiosis I in female and normal meiosis in male. Female is white eye color was cross with red eye male. What will be expected phenotype in their progeny?

#Applied Microbiology
  1. All progeny are red eye male

  2. Red eye male and white eye female

  3. Red eye female and white eye male

  4. All progeny are red eye

More Questions
TLS Online TPP Program

#Question id: 37881

#Plant Biotechnology

Assertion (A): Continuous culture systems are strictly classified as closed systems where no material leaves the vessel. 
Reason (R): Continuous cultures require the regular replacement of a portion of the spent medium with fresh medium.

Choose the correct option from the following:

TLS Online TPP Program

#Question id: 37882

#Plant Biotechnology

Statement I: Plant cells can be immobilized by encapsulating them in materials such as agarose or calcium alginate gels. 
Statement II: Immobilized cells are usually packed in a column where liquid medium is kept stagnant to prevent cell detachment.

Choose the correct answer:

TLS Online TPP Program

#Question id: 37883

#Plant Biotechnology

Consider the following statements regarding the immobilization of plant cells:
A. Cells can be entrapped in membranes or stainless-steel screens.
B. Immobilization ensures that the cellular physiology remains exactly the same as in suspension cultures.
C. This technique is advantageous for biochemical production. 
D. Liquid medium is continuously run through the column to provide aeration and nutrients.

Which of the statements given above are correct?

TLS Online TPP Program

#Question id: 37884

#Plant Biotechnology

Statement I: Immobilization of cells often alters their cellular physiology compared to cells grown in suspension culture.
Statement II: Due to physiological changes, immobilized cell systems are widely preferred for all types of plant studies, including genetic and developmental studies.

Choose the correct answer:

TLS Online TPP Program

#Question id: 37885

#Plant Biotechnology

Assertion (A): Plant cell and tissue cultures can be maintained indefinitely.
Reason (R): Serial subculturing is performed to transfer tissues to fresh medium to counter nutrient depletion and medium drying.

Select the correct option:

TLS Online TPP Program

#Question id: 37886

#Plant Biotechnology

Column I (Hormone)Column II (Function)
A. Auxin1. Inhibition of leaf senescence
B. Cytokinin2. Maturation of somatic embryo
C. Gibberellin (GA)3. Inhibition of axillary bud outgrowth (Apical Dominance)
D. Abscisic Acid (ABA)4. Fruit ripening
E. Ethylene5. Release from dormancy (Seeds/Buds)