TLS Online TPP Program

#Question id: 38753


Q. Which staining method is used specifically to detect the onset of cell wall formation in cultured protoplasts? 

#Plant Biotechnology
  1.  FDA staining 
  2. Evans blue exclusion 
  3. Calcofluor White (CFW) 
  4. Phenosafranine staining
More Questions
TLS Online TPP Program

#Question id: 40510

#Environmental Science

Match the following theories with their features

Column IColumn II
A. Chemical evolution1. Life came from space
B. Panspermia2. Abiotic organic synthesis
C. Special creation3. Supernatural origin
D. Primordial soup4. Organic-rich early ocean

TLS Online TPP Program

#Question id: 40511

#Environmental Science

Match scientists with contributions

Column IColumn II
A. Oparin1. Swan-neck flask experiment
B. Haldane2. Early atmosphere hypothesis
C. Miller3. Electrical discharge experiment
D. Pasteur4. Chemical evolution model

TLS Online TPP Program

#Question id: 40512

#Environmental Science

 Which statements are correct regarding chemical evolution?
1. Organic molecules formed abiotically
2. Oxygen-rich atmosphere aided synthesis
3. Energy sources included lightning
4. Protobionts preceded true cells

TLS Online TPP Program

#Question id: 40513

#Environmental Science

Consider the following statements about primordial Earth:
1. Atmosphere was reducing
2. UV radiation was intense
3. Ozone shield was present
4. Volcanic gases dominated

TLS Online TPP Program

#Question id: 40514

#Environmental Science

Which statements correctly describe protobionts?
1. Membrane-like structure
2. Pre-cellular organization
3. Fully functional cells
4. Chemical aggregation

TLS Online TPP Program

#Question id: 40515

#Environmental Science

Match the taxonomist with their contribution

Column IColumn II
A. Linnaeus1. Phylogenetic classification
B. Whittaker2. Binomial nomenclature
C. Hennig3. Five kingdom classification
D. Mayr4. Biological species concept