TLS Online TPP Program

#Question id: 10769


In merabilis jalapa plant red plant RR Cross with white plant rr. In F1 generation the phenotype obtained was Rr Pink. Which type of cross it is

#Unit 8. Inheritance Biology
  1. Incomplete dominance
  2. Complete dominance
  3. Co- dominance
  4. Psedudominance
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TLS Online TPP Program

#Question id: 10288

#Unit 6. System Physiology – Plant

 If all the ATP are radiolabelled in the cytosol, then predict about radioactivity of each compound.

 a) All enzyme  of glycolysis will be radiolabelled except 2-phophoglycerate and phosphenol pyruvate

 b) 2-phophoglycerate and phosphenol pyruvate are radiolabelled only the next cycle of glycolysis after cytosolic ATP radiolabelling

 c) 1,3 bisphosphoglycerate will be radiolabelled at 1 and 3 both position

 d) 2-phosphoglycerate are not radiolabelled because its enzyme phosphoglycerate mutase active site contain histidine residue exchange phosphate group from 3-phosphoglycerate

 which prediction about radiolabelling is incorrect?

TLS Online TPP Program

#Question id: 2883

#Unit 2. Cellular Organization

Which, if any, of the following statements is incorrect?

I. In X-chromosome inactivation, the inactivated X chromosome is epigenetically silenced by a transcript, the XIST RNA, that is produced from the active X chromosome.

II. The XIST RNA works by coating most of the X chromosome that is to be inactivated and then recruiting Polycomb proteins to condense the chromosome.

III. The inactivated X chromosome carries the kinds of histone modification that are typical of heterochromatin.

IV. The pattern of X-chromosome inactivation is made randomly but once it has been established the same pattern of X-inactivation is propagated through all mitotic and meiotic cell divisions.

TLS Online TPP Program

#Question id: 22940

#Unit 5. Developmental Biology

In rice, a SDP, homolog of CONSTANS gene is 

TLS Online TPP Program

#Question id: 4774

#Unit 8. Inheritance Biology

Which of the following above cross showing one gene segregation?

TLS Online TPP Program

#Question id: 11248

#Unit 10. Ecological Principles

Which factor could not be considered a factor of environmental resistance?