Practice Questions

TLS Online TPP Program

#Question id: 2057

Lymph nodes and the spleen are the most highly organized secondary lymphoid organs. T-cell and B-cell activity are separated into distinct microenvironments in both. T cells and B cells are found in

#Unit 4. Cell Communication and Cell Signaling

T cells and B cells are found in the paracortex of the lymph nodes and spleen
T cells are found in the paracortex of the lymph nodes and B cells found in the periarteriolar sheath of the spleen
T cells are found in the paracortex of the lymph nodes. B cells are organized into follicles in lymph nodes and the periarteriolar sheath of the spleen
T cells are found in the paracortex of the lymph nodes and the periarteriolar sheath of the spleen. B cells are organized into follicles in both organs

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TLS Online TPP Program

#Question id: 31354

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is correct about kcat /Km

TLS Online TPP Program

#Question id: 3573

#Unit 8. Inheritance Biology

Homozygous yellow and round seed was crossed with green and wrinkle seed plant. All F1 offspring having yellow and round seed plant were allowed to self fertilization. What is the proportional of F2 plant heterozygous for both characters?

TLS Online TPP Program

#Question id: 7535

#General Aptitude

Ratio between speed of boat in still water to speed of stream is 5 : 2. If 224 km is travelled by downstream in 4 hours then find the difference between speed of boat in still water and speed of stream?

TLS Online TPP Program

#Question id: 8924

#Unit 9. Diversity of Life Forms

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?

1. Protostomes invade terrestrial environments.

2. Cambrian explosion occurs.

3. Deuterostomes invade terrestrial environments.

4. Vertebrates become top predators in the seas.