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TLS Online TPP Program

#Question id: 38772

Q. Statement I: Protoplasts are isolated by enzymatic digestion of the cell wall using a combination of cellulase and pectinase.
Statement II: Cellulose microfibrils and pectic substances are major structural components of plant cell walls.

#Plant Biotechnology
  1. Both statements are true and Statement II explains Statement I
  2. Both statements are true but Statement II does not explain Statement I
  3. Statement I is true but Statement II is false
  4. Statement I is false but Statement II is true
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TLS Online TPP Program

#Question id: 40379

#Botany

Given below are two statements:
Assertion (A): Linkage and Independent Assortment are opposing phenomena.
Reason (R): Independent Assortment occurs when genes are located on different chromosomes (or far apart on the same one), whereas Linkage occurs when genes are located very close together on the same chromosome.
Choose the correct answer:
TLS Online TPP Program

#Question id: 40380

#Botany

Which of the following is NOT a characteristic feature of Gymnosperms?
A. Presence of naked seeds (ovules not enclosed by ovary wall).
B. Presence of vessels in the Xylem (with exceptions like Gnetum).
C. Dominant sporophytic phase in the life cycle.
D. Haplontic life cycle with a dominant gametophyte.
Choose the correct answer:
TLS Online TPP Program

#Question id: 40381

#Botany

Match the Term in List-I with its Definition in List-II

LIST-I (Term)LIST-II (Definition)
A. TotipotencyI. Mass of undifferentiated cells
B. Somatic HybridizationII. Capacity of a cell to generate a whole plant
C. ExplantIII. Fusion of protoplasts from two different plants
D. CallusIV. Plant part used to initiate tissue culture

Choose the correct answer:
TLS Online TPP Program

#Question id: 40407

#Applied Microbiology

Which landmark Supreme Court case established the patentability of genetically modified micro-organisms in the United States?
TLS Online TPP Program

#Question id: 40408

#Applied Microbiology

Consider the following statements regarding the patenting of biological materials:

      1. Statement I: The 'Oncomouse' was the first animal to receive a patent in the United States.
      1. Statement II: In the U.S., naturally occurring gene sequences that have only been isolated from the body are eligible for patents.

Which of the following is correct?
TLS Online TPP Program

#Question id: 40409

#Applied Microbiology

 Match the biological material or entity in Column A with its correct description or patenting context in Column B.

Column A (Entity)Column B (Context)
1. SuperbugA. Subject of a successful challenge based on traditional knowledge.
2. Turmeric (wound healing)B. First patented genetically modified mammal.
3. OncomouseC. Genetically engineered bacterium for oil spills, ruled patentable.
4. Neem (fungicidal properties)D. Patent revoked after opposition proved prior use in India.