TLS Online TPP Program

#Question id: 27374


An aqueous solution contains two compounds X and Y. This solution gave absorbance values of 1.0 and 0.4 at 220 and 280 nm, respectively, in a 1 cm path length cell. Molar absorption coefficients (ε) of the compounds X and Y are as shown in the table below.

The concentration of Y in the solution is___________ mM.

#SCPH28 | Zoology
  1. 0.8
  2. 0.91
  3. 0.67
  4. 0.43
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TLS Online TPP Program

#Question id: 18691

#I Life Science/ Life Sciences Group – I-V

The attractive interactions lead to ______energy.

TLS Online TPP Program

#Question id: 10798

#I Life Science/ Life Sciences Group – I-V

Two other major groups of flavonoids found in flowers and leaves of all green plants. The function of these two flavonoids in plants are____

a) protect plants against being eaten by herbivores and against being infected by microbial pathogens

b) Protect cells from excessive UV-B radiation (280–320 nm) because they accumulate in the epidermal layers of leaves and stems and absorb light strongly in the UV-B region       

c) flavones and flavonols secreted into the soil by legume roots mediate the interaction of legumes and nitrogen-fixing symbionts

d) They are are coloured terpenoid compounds that also serve as accessory pigments in photosynthesis    

Which of the following combination from the above statements is correct?

TLS Online TPP Program

#Question id: 10695

#SCPH28 | Zoology

Consumer (+) and resource (-) interactions classified by the two factor

T- Duration or intimacy of the association between individuals

Kp- Probability that resource individuals will be killed

Which of the following some statement are correct?

A-  Value of T for Grazer is greater than parasite

B-  Value of Kp for predator is greater than parasite

C-  Value of Kp for parasite is greater than parasitoid

D-  Value of T for parasitoid is greater than predator


TLS Online TPP Program

#Question id: 7768

#I Life Science/ Life Sciences Group – I-V

The insulin signaling pathway inhibits the synthesis of the Foxo transcription factor proteins that would otherwise increase cellular longevity. Downregulation of the insulin signaling pathway has several other functions, choose right one

TLS Online TPP Program

#Question id: 14680

#SCPH05 I Biotechnology

What is -40°F in degrees centigrade? degrees Rankine? kelvin?