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TLS Online TPP Program

#Question id: 2949

A culture of cells is given 3H-thymidine for 30 minutes; then a sample of the cells is fixed and examined by autoradiography. It is found that:

#SCPH05 I Biotechnology

  1. all of the cells engaged in mitosis have incorporated the labeled thymidine into their chromosomes.

  2. none of the cells engaged in mitosis have incorporated the labeled thymidine into their chromosomes.

  3. all of the cells, both mitotic and nonmitotic, have incorporated the labeled thymidine into their chromosomes.

  4. none of the cells, neither mitotic nor nonmitotic, have incorporated the labeled thymidine into their chromosomes.

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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.