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TLS Online TPP Program

#Question id: 35557

Which of the following statements about the phytochrome photoreceptor are correct?

#XL - R Botany
  1. Phytochrome exists in two interconvertible forms: Pr and Pfr.
  2. Pr absorbs red light (~660 nm) and converts to Pfr.
  3. Pfr is generally the physiologically inactive form.
  4. Far-red light exposure converts Pfr back to Pr.
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TLS Online TPP Program

#Question id: 10579

#XL - T Zoology

The following graph is growing population, which of the following represent growth pattern?
TLS Online TPP Program

#Question id: 10581

#XL - T Zoology

Life-history characteristics associated with K-selected organisms include
TLS Online TPP Program

#Question id: 10582

#XL - T Zoology

Which of the following is incorrect?
TLS Online TPP Program

#Question id: 10583

#XL - T Zoology

Suppose you discovered a new species about which youknow only two facts: it is small sized (<10 cm) and short lived (<20 days). Which of the following strategies is most likely to be true for this species?
TLS Online TPP Program

#Question id: 10584

#XL - T Zoology

The logistic equation above is used to describe the rate of change of a population, N, with time, t, where r is the intrinsic rate of increase and K is the carrying capacity. Which of the following statements is true for this equation?
TLS Online TPP Program

#Question id: 10585

#XL - T Zoology

Per capita birth rate of this population is b and per capita death rate of population is d, N is a population size. What is yield of population per unit time as?