TLS Online TPP Program

#Question id: 20269


The antidiuretic hormone (ADH) originates primarily in the supraoptic nuclei of the hypothalamus, which of the following statement is FALSE regarding ADH?

#Unit 7. System Physiology – Animal
  1. ADH regulates serum osmolality by increasing the water permeability in the distal tubules and collecting ducts
  2. ADH increases vascular smooth muscles contraction
  3. ADH secretion is decreased by arterial natriuretic peptide
  4. ADH increases water reabsorption from proximal tubules
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TLS Online TPP Program

#Question id: 10822

#Unit 10. Ecological Principles

When two organisms attempt to utilize the same resource, the result is:

TLS Online TPP Program

#Question id: 10823

#Unit 10. Ecological Principles

Which of the following statements about symbiotic relationships is true?

TLS Online TPP Program

#Question id: 10824

#Unit 10. Ecological Principles

Interspecific competition has been demonstrated experimentally in

TLS Online TPP Program

#Question id: 12640

#Unit 10. Ecological Principles

Plant species produce a which type of  defensive proteins that bind to carbohydrates or carbohydrate-containing proteins. After being ingested by an herbivore, that bind to the epithelial cells lining the digestive tract and interfere with nutrient absorption

TLS Online TPP Program

#Question id: 12257

#Unit 10. Ecological Principles

Which of the following is most likely to reduce competition in sympatric, closely related species? 

TLS Online TPP Program

#Question id: 12256

#Unit 10. Ecological Principles

Ant species X preys upon ant species Y. A researcher has the following set of observations regarding the behaviour of species X where aggression signifies a predatory response.

Which of the following statement(s) are correct regarding the behaviour of Species X?

(i)    A glass bead is sufficient to elicit the predatory response.

(ii)   Both chemical and non-chemical cues are involved in the predatory response.

(iii)  Chemical cues are necessary to elicit the predatory response.

(iv) Chemical cues are sufficient to elicit the predatory response