TLS Online TPP Program

#Question id: 28081


In the phenomenon of transfer of electron in photosystem have various time order

(a) Splitting of H2O – 1ms

(b) Transfer of electron from Mn – Z – in Microseconds 

(c) Transfer of electron from Z – P680 – in Nanosecond 

(d) 1st photochemistry - picoseconds

Which of the following is correct

#Unit 6. System Physiology – Plant
  1. a only 
  2. a & b only 
  3. b & c only 
  4. a, b, c & d 
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TLS Online TPP Program

#Question id: 11054

#Unit 10. Ecological Principles

In red grouse populations on the grasslands, many males do not acquire territories. Which of the following is least likely to be a valid hypothesis about these male grouse?

TLS Online TPP Program

#Question id: 11055

#Unit 10. Ecological Principles

Poison arrow frogs have brightly coloured skin patterns of blue, orange, yellow and red. This skin adornment is an example of what kind of defense against predation?

TLS Online TPP Program

#Question id: 11056

#Unit 10. Ecological Principles

The "dead-leaf" butterfly is aptly named. This is an example of what kind of defense against predation?

TLS Online TPP Program

#Question id: 11057

#Unit 10. Ecological Principles

Bombardier beetles release an explosive mixture of quinones and hydrogen peroxide from glands at the end of their abdomen when disturbed by grasshopper mice and other predators. This is an example of what kind of defense against predation?

TLS Online TPP Program

#Question id: 11058

#Unit 10. Ecological Principles

The pufferfish, a common marine fish, has extensive spines that extend outward when it swallows water, becoming several times its normal size. This is an example of what kind of defense against predation?

TLS Online TPP Program

#Question id: 11169

#Unit 10. Ecological Principles

The viceroy butterfly (limenitis archippus) resembles the queen butterfly (danaus gilippus), a species toxic to birds because of alkaloids it stores during larval development from the milkweeds it feeds upon. The viceroy butterfly is an example of what kind of defense against predation?