Practice Questions

TLS Online TPP Program

#Question id: 3865

Which of the following statements about E. coli RNA polymerase is false?

#SCPH06 I Botany

Core enzyme selectively binds promoter regions, but cannot initiate synthesis without a sigma factor.
RNA polymerase holoenzyme has several subunits.
RNA produced by this enzyme will be completely complementary to the DNA template.
The enzyme adds nucleotides to the 3' end of the growing RNA chain.

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TLS Online TPP Program

#Question id: 5013

#SCPH06 I Botany

Following is correct match

Periods	Age of evolutionary event
A- Jurassic	I- Fish
B- Ordovician	II- Amphibian
C- Devonian	III- Gymnosperm
D-Carbonyferous	IV- Invertebrates

TLS Online TPP Program

#Question id: 5013

#SCPH28 | Zoology

Following is correct match

Periods	Age of evolutionary event
A- Jurassic	I- Fish
B- Ordovician	II- Amphibian
C- Devonian	III- Gymnosperm
D-Carbonyferous	IV- Invertebrates

TLS Online TPP Program

#Question id: 5014

#SCPH06 I Botany

Following geological time period and major evolutionary event?

I. Devonian A. Gymnosperms dominant

II. Jurassic B. Amphibians diversify; first reptiles

III. Carboniferous C. Mammals appear

IV. Triassic D. Seed plants appear

TLS Online TPP Program

#Question id: 5014

#SCPH28 | Zoology

Following geological time period and major evolutionary event?

I. Devonian A. Gymnosperms dominant

II. Jurassic B. Amphibians diversify; first reptiles

III. Carboniferous C. Mammals appear

IV. Triassic D. Seed plants appear

TLS Online TPP Program

#Question id: 5015

#SCPH06 I Botany

During which of the following largest mass extinction recorded in the history of life on Earth.

TLS Online TPP Program

#Question id: 5015

#SCPH28 | Zoology

During which of the following largest mass extinction recorded in the history of life on Earth.