Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 48294
TLS Online TPP Program

#Question id: 5576

The polarity of a plant is established when ________.

#SCPH28 | Zoology

  1. cotyledons form at the shoot end of the embryo

  2. the shoot-root axis is established in the embryo

  3. the primary root breaks through the seed coat

  4. the shoot first breaks through the soil into the light as the seed germinates

More Questions
TLS Online TPP Program

#Question id: 12732

#SCPH28 | Zoology

When the absorbance of DNA at ____ nm increases as the DNA becomes denatured , the phenomenon known as the ______.
TLS Online TPP Program

#Question id: 10591

#SCPH28 | Zoology

The following figure shows distribution pattern of species. 


Based on the above, which of the following distribution correct?
TLS Online TPP Program

#Question id: 1560

#SCPH05 I Biotechnology

An invertebrate, such as an insect, has innate immunity that can be nonspecific about which pathogens are prevented from harming its metabolism. Which of the following is most likely to function this way in the insectʹs intestine?
TLS Online TPP Program

#Question id: 6950

#SCPH01 Biochemistry

In mammalian development, the embryo will form from which population of cells?
TLS Online TPP Program

#Question id: 15462

#SCPH05 I Biotechnology

What is the enthalpy of 150 g formic acid at 70°C and 1 atm relative to 25°C  and 1 atm? (Cp for formic acid is 0.524 cal g-1 °C-1)