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TLS Online TPP Program

#Question id: 9240

Use the following figure to answer the question.


Looking at the figure, what can you conclude about the data?


#Unit 9. Diversity of Life Forms

  1. As species richness changes, plant biomass remains consistent.

  2. As species richness increases, plant biomass increases.
  3. As species richness increases, plant biomass increases and then levels off.
  4. As species richness decreases, plant biomass increases
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TLS Online TPP Program

#Question id: 5674

#Unit 5. Developmental Biology

Following statements are regarding to the mechanism of migration of pollen tube.

A. The embryo sac is the product of three mitotic divisions of the diploid megaspore; it comprises seven cells and eight haploid nuclei.

B. The two polar nuclei in the central cell will fuse with the second sperm nucleus and produce the endosperm that will nourish the egg. The other six cells, including the egg, contain one haploid nucleus each.

C. After compatible pollen germinates, the pollen tube grows toward the micropyle.

D. The three cells from the pollen are connected to one another at the tip of the tube, and waves of sodium ions play a key role in the growth of the tube.

Which of the following combinations are correct?
TLS Online TPP Program

#Question id: 23341

#General Aptitude

The advantage of Seminar is
TLS Online TPP Program

#Question id: 10384

#Unit 6. System Physiology – Plant

Nitrogenase enzyme complex catalyzes the molecular nitrogen fixation, this enzyme not only fixes nitrogen but also perform other reactions given below. Which one is not performed by nitrogenase?
TLS Online TPP Program

#Question id: 23442

#General Aptitude

You are returning home from school. On the way, you find a sealed envelope in a street, fully addressed with unused stamps on it You would:
TLS Online TPP Program

#Question id: 12677

#Unit 10. Ecological Principles

Aquatic ecosystems that are most readily damaged by acid are those that lack an important buffer that dissolves into the runoff after a precipitation event. What is this buffer?