TLS Online TPP Program

#Question id: 346


The partial negative charge in a molecule of water occurs because ________.

#1. Molecules and their Interaction Relevant to Biology
  1. the oxygen atom donates an electron to each of the hydrogen atoms

  2. the electrons shared between the oxygen and hydrogen atoms spend more time around the oxygen atom nucleus than around the hydrogen atom nucleus

  3. the oxygen atom has two pairs of electrons in its valence shell that are not neutralized by hydrogen atoms

  4. one of the hydrogen atoms donates an electron to the oxygen atom

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TLS Online TPP Program

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Pseudomonas aeruginosa can alleviate the symptoms of abiotic stress by releasing of antibiotics, the amounts of the compounds released by P. aeruginosa are controlled by

TLS Online TPP Program

#Question id: 10505

#6. System Physiology – Plant

Pseudomonas aeruginosa can alleviate the symptoms of abiotic stress by releasing of antibiotics, the amounts of the compounds released by P. aeruginosa are controlled by

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#Question id: 10506

#6. System Physiology – Plant

Plant growth promoting rhizobacteria (PGPRs) such as Pseudomonas aeruginosa, that alleviate plant abiotic or biotic stress in soil by releasing of

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#Question id: 10507

#6. System Physiology – Plant

Rhizobacteria function as

 a) Nitrogen fixation

 b) depositing pathogens directly into the vascular system,

 c) producing antibiotics and antifungal agents for inhibiting soil pathogens

 d) herbivore sensors by sending electrical or chemical signals to surrounding cells

 Which one of the following combination is correct?

TLS Online TPP Program

#Question id: 10508

#6. System Physiology – Plant

Glandular trichomes store species-specific secondary metabolites in a pocket formed between the cell wall and the cuticle. These secondary metabolites are-

TLS Online TPP Program

#Question id: 10509

#6. System Physiology – Plant

A different type of mechanical obstacle to herbivory is provided by mineral crystals that are present in many plant species, such as silica crystals known as