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TLS Online TPP Program

#Question id: 11983

Which of the following is a behavioral pattern resulting from an ultimate cause?

#10. Ecological Principles
  1. A male robin attacks a red tennis ball because it resembles the breast of another male.
  2. A male robin attacks a red tennis ball because hormonal changes in spring increase its aggression.
  3. A male robin attacks a red tennis ball because a part of its brain is stimulated by red objects.
  4. A male robin attacks a red tennis ball because it confuses it with an encroaching male who will steal his territory.
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TLS Online TPP Program

#Question id: 10373

#6. System Physiology – Plant

The nodulation (nod) genes are classified as common nod genes or host specific nod genes. Some statements related to such classification are given below;

a) nod A is a common nod gene and nod Q is a host specific gene

b) nod B is a common nod gene and nod C is a host specific gene

c) nod C is a common nod gene and nod H is a host specific gene

d) nod H is a common nod gene and nod P is a host specific gene

Choose the correct answer from the above statements:
TLS Online TPP Program

#Question id: 10379

#6. System Physiology – Plant

Upon binding to Nod factors, activates the kinase activity of NFR1, this kianse activity of NFR1 activates which type of set of receptors?
TLS Online TPP Program

#Question id: 10385

#6. System Physiology – Plant

The leaves of many species are able to bend toward the sun during its progress across the sky, a phenomenon known as
TLS Online TPP Program

#Question id: 10386

#6. System Physiology – Plant

 During light-regulated plant development many seeds require light to germinate, a process called
TLS Online TPP Program

#Question id: 10387

#6. System Physiology – Plant

Action spectrum stimulated phototropism in oat coleoptiles. The “three finger” pattern in the 400–500 nm region is characteristic of-
TLS Online TPP Program

#Question id: 10388

#6. System Physiology – Plant

Phytochrome can interconvert between Pr and Pfr forms, Pr receives red light and converts into Pfr while Pfr receives far-red light and then converts into Pr, so which form of phytochrome is responsible for seed germinations?