TLS Online TPP Program

#Question id: 2493


Which of the following is NOT true about cilia?

#Unit 2. Cellular Organization
  1. All cilia arise from nine sets of outer triplet microtubules (similar to centrioles).

  2. Cilia contain the same transport system as flagella, called IFT.

  3. All cells with cilia are motile because of the axonemal dynein motor.

  4. Primary cilia contain receptors that increase the cell’s responsiveness to its environment.

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TLS Online TPP Program

#Question id: 12011

#Unit 10. Ecological Principles

The supercontinent that began to break up during  the Triassic

TLS Online TPP Program

#Question id: 12012

#Unit 10. Ecological Principles

The average daily temperature change on an exposed south-facing slope and a north-facing slope for a late summer day in the Northern Hemisphere are shown below.

Compared with a south-facing slope, the climatic conditions on a north-facing slope favour the formation of a vegetation community best adapted to

TLS Online TPP Program

#Question id: 12013

#Unit 10. Ecological Principles

The average daily temperature change on an exposed south-facing slope and a north-facing slope for a late summer day in the Northern Hemisphere are shown below.


The difference in the  maximum average daily  temperature between the  south-facing slope  and  the  north-facing slope is approximately

TLS Online TPP Program

#Question id: 12014

#Unit 10. Ecological Principles

The receptive surface for pollen on an angiosperm flower is the

TLS Online TPP Program

#Question id: 12015

#Unit 10. Ecological Principles

The oxygen consumption of marine crabs acclimated to either 10°C or 20°C was measured at environmental temperatures of 5°C to 25°C to produce the following graph.

Which of the following can be correctly concluded from the information in the graph?

TLS Online TPP Program

#Question id: 12016

#Unit 10. Ecological Principles

The ability of a desert rodent's kidneys to form highly concentrated urine is largely attributable to