Practice Questions

TLS Online TPP Program

#Question id: 12426

In an ecosystem, fixed carbon has accumulated in the form of organic matter derived from dead plants and animals. Which of the following is the best explanation for this observation?

#Unit 10. Ecological Principles

Decomposer activity has been low.
Producers have been utilizing sunlight inadequately.
There have been insufficient numbers of secondary consumers.
Primary consumers have been absent from the ecosystem.

More Questions

TLS Online TPP Program

#Question id: 33396

#Unit 1. Molecules and their Interaction Relevant to Biology

In case of Coiled-coils

a. Alpha-helices are packed together through the charged interactions only

b. They have heptad repeated sequences.

c. 3.6 aa / turn and 5.2A for a helix.

d. abcdefg 'a' &'d’ are hydrophobic residues 'e' and 'g' are found to be charged amino.

Which of the following is correct

TLS Online TPP Program

#Question id: 33397

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following characterises domains

a. Highly conversed and may be common in most unrelated proteins.

b. They do not evolve.

c. Can function Independently.

d. Average 100 amino acids.

e. Single hydrophobic core.

TLS Online TPP Program

#Question id: 33398

#Unit 1. Molecules and their Interaction Relevant to Biology

Immunoglobulin fold is characterised by

TLS Online TPP Program

#Question id: 33399

#Unit 1. Molecules and their Interaction Relevant to Biology

Transmembrane β barrels of known structure consist of

TLS Online TPP Program

#Question id: 33400

#Unit 1. Molecules and their Interaction Relevant to Biology

Green fluorescent protein is

TLS Online TPP Program

#Question id: 33401

#Unit 1. Molecules and their Interaction Relevant to Biology

Four-bladed B propeller of Collagenase is made of