Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 3245
TLS Online TPP Program

#Question id: 3458

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

#Unit 11. Evolution and Behavior

  1. During foraging, a mule deer will consume food as soon as it finds it, regardless of the location.

  2. A cheetah will continue a chase for prey, regardless of how long the chase lasts or how much energy is consumed.

  3. A moose spends more time looking for food when the food is high quality than when the food is low quality.

  4. If an animal is hungry it will consume food as soon as it is found, regardless of the food quality or the risk.

More Questions
TLS Online TPP Program

#Question id: 13041

#Unit 13. Methods in Biology

Which of the following is incorrect about Data Collection? 
TLS Online TPP Program

#Question id: 18903

#Unit 13. Methods in Biology

For imaging purpose, a specialized gamma camera is used to detect the radiation throughout the body. Most used techniques in nuclear imaging are 
TLS Online TPP Program

#Question id: 2585

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the correct sequence that describes the excitation and contraction of a skeletal muscle fiber?

A. Tropomyosin shifts and unblocks the cross-bridge binding sites.

B. Calcium is released and binds to the troponin complex.

C. Transverse tubules depolarize the sarcoplasmic reticulum.

D. The thin filaments are ratcheted across the thick filaments by the heads of the myosin molecules using energy from ATP.

E. An action potential in a motor neuron causes the axon to release acetylcholine, which depolarizes the muscle cell membrane.
TLS Online TPP Program

#Question id: 4138

#Unit 3. Fundamental Processes

In bacteria the elongation stage of protein synthesis does not involve:
TLS Online TPP Program

#Question id: 10909

#Unit 6. System Physiology – Plant

The energy is essential for some aspects of movement from sieve elements to sink cells, which store or metabolize the sugar. This movement of photosynthate from sieve elements to sink cells is called