Practice Questions

TLS Online TPP Program

#Question id: 12760

Which of the examples below provides appropriate abiotic and biotic factors that might determine the distribution of the species in question?

#Unit 10. Ecological Principles

The amount of nitrate and phosphate in the soil and wild flower abundance and diversity
The number of frost-free days and competition between species of introduced grasses and native alpine grasses
Increased predation and decreased food availability and a prairie dog population after a prairie fire
Available sunlight and increased salinity in the top few meters of the ocean and the abundance and diversity of phytoplankton communities

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TLS Online TPP Program

#Question id: 14776

#Unit 13. Methods in Biology

A single letter is selected at random from the word “PROBABILITY”. The probability that it is a vowel is

TLS Online TPP Program

#Question id: 18797

#Unit 13. Methods in Biology

A replicating cells that have incorporated a high level of BrdU are exposed to light, they will

TLS Online TPP Program

#Question id: 15485

#Unit 12. Applied Biology

Plasmid vector systems for cloning in which bacteria have been established, for amino acid production and related strains.

A. Corynebacterium

B. Micrococcus,

C. Brevibacterium,

D. Microbacterium

Choose the correct option.

TLS Online TPP Program

#Question id: 27669

#Unit 1. Molecules and their Interaction Relevant to Biology

When Psi is fixed at +165º then allowed region -70º to -170º then this allowed region belong to

(a) Left-handed helix

(b) Right-handed helix

(c) Parallel beta sheet

(d) Antiparallel beta sheet

Choose which of the following is correct

TLS Online TPP Program

#Question id: 28660

#Unit 2. Cellular Organization

cohesins associate with chromosomes by cohesin loading factors, which is?