TLS Online TPP Program

#Question id: 9594


The first reaction that converts electron energy into chemical energy—What will happened in  the primary photochemical event—

#SCPH06 I Botany
  1. The transfer of an electron from the excited state of a chlorophyll in the reaction centre to an acceptor molecule-pheophytin
  2. The reaction centre chlorophyll is in an oxidized state (electron deficient, or positively charged), and the nearby electron acceptor molecule is reduced (electron rich, or negatively charged)
  3. The reaction centre chlorophyll is in an oxidized state (electron deficient, or negatively charged), and the nearby electron acceptor molecule is reduced (positively charged)
  4. The transfer of an electron from the excited state of a chlorophyll in the reaction centre to an acceptor molecule- plastocyanin
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TLS Online TPP Program

#Question id: 10596

#SCPH28 | Zoology

In a experimental population the birth rate is 18 per 1000 and death rate is 14 per 1000. Size of population is 10,000 at time t then what will be size of population at time t+1?

TLS Online TPP Program

#Question id: 2925

#SCPH28 | Zoology

Mitotic cyclin levels in early Xenopus embryos are regulated by:

TLS Online TPP Program

#Question id: 5124

#SCPH01 Biochemistry

Following statements are being made regarding conditional specification –

A. The process by which cells achieve their respective fates by interacting with other cells.

B. the cell “knows” very early what it is to become without interacting with other cells.

C. The critical factors that control cell fate are present and differentially segregated in the cytoplasm of these cells.

D. a cell becomes is specified by the array of interactions it has with its neighbors, which may include cell-to-cell contacts (juxtacrine factors), secreted signals (paracrine factors).

Which of the above statements are correct?

TLS Online TPP Program

#Question id: 28013

#Research Methodology

How can the objectivity of the research be enhanced?
a.Through its controlling utility
b.Through its reliability
c.Through its validity
d.Through its impartiality

TLS Online TPP Program

#Question id: 4748

#SCPH28 | Zoology

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?