Practice Questions

TLS Online TPP Program

#Question id: 29118

Which one of the following statements related to photosynthesis is NOT correct?

#Unit 6. System Physiology – Plant

The light and carbon reactions of photosynthesis occur in separate chloroplast compartments
Light is required for the synthesis of ATP and NADPH substrates in a series of reactions that occur in thylakoid membranes of the chloroplast.
Light is required for the synthesis of ATP and NADPH substrates in a series of reactions that occur in stroma of the chloroplast
The photosynthetic electron transport chain moves electrons from water in the thylakoid lumen to soluble redox‐active compounds in the stroma

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TLS Online TPP Program

#Question id: 29537

#Unit 6. System Physiology – Plant

Polygalacturonases (PG) secreted by the fungal hyphae interact with plant cell by

TLS Online TPP Program

#Question id: 26359

#Unit 2. Cellular Organization

Most known genetic defects in human genes are due to the

TLS Online TPP Program

#Question id: 12896

#General Aptitude

The areas of three consecutive faces of a cuboid are 12 cm2, 20 cm2 and 15 cm2, then the volume (in cm3) of the cuboid is

TLS Online TPP Program

#Question id: 27021

#Unit 10. Ecological Principles

Facilitation describes which type of species interactions?

TLS Online TPP Program

#Question id: 29049

#Unit 10. Ecological Principles

Some given statements about anti freezing are given;

a. some invertebrates to withstand temperatures as low as –18°C without freezing, in presence of glycoproteins

b. Sodium, potassium, or chloride ions involve to increasing the blood freezing point, so the lack of these ions some species help to lower the blood freezing point

c. Amphibians release large amount of glucose into the blood to prevent freezing of blood in cold

d. Sodium, potassium or urea function as anti freezing in their blood

e. Glycine causes supercooling in plants

Which of the following statements about supercooling/anti freezing is correct?