Practice Questions

TLS Online TPP Program

#Question id: 3458

Which of the following examples reflects the concept of optimal foraging?

#Unit 11. Evolution and Behavior

During foraging, a mule deer will consume food as soon as it finds it, regardless of the location.
A cheetah will continue a chase for prey, regardless of how long the chase lasts or how much energy is consumed.
A moose spends more time looking for food when the food is high quality than when the food is low quality.
If an animal is hungry it will consume food as soon as it is found, regardless of the food quality or the risk.

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TLS Online TPP Program

#Question id: 15876

#Unit 12. Applied Biology

The following growth regulators (GRs)- auxins, cytokinins, ABA and GA3 are used in plant tissue culture, The common range of concentrations used are as follows:

GROWTH REGULATOR(GRs) CONCENTERATION

A) AUXIN i) 0.1-3 mg/L

B) GA3 ii) 0.2 mg/L

C) CYTOKININ iii) 0.1-1 mg/L

TLS Online TPP Program

#Question id: 15877

#Unit 12. Applied Biology

Zinc as micronutrient is used in culture media for____

TLS Online TPP Program

#Question id: 15878

#Unit 12. Applied Biology

A vitamin which has been found to inhibit callus formation and improve growth and quality of shoots.

TLS Online TPP Program

#Question id: 15879

#Unit 12. Applied Biology

During which Phase lasts about 3-4 cell generations (the time taken for doubling of cell number), and the duration of a cell generation may vary from 22-48 hr, depending mainly on the plant species?

TLS Online TPP Program

#Question id: 15880

#Unit 12. Applied Biology

Which one types of culture is ideal for the determination of effects of individual nutrients on cell growth and metabolism.

TLS Online TPP Program

#Question id: 15881

#Unit 12. Applied Biology

Protoplast is____