Which embryonic membrane forms the commonly of the placenta?

TLS Online TPP Program

#Question id: 4958

#Unit 11. Evolution and Behavior

What is true of the fossil record of mammalian origins?

TLS Online TPP Program

#Question id: 19700

#Unit 13. Methods in Biology

Different leads are used to record ECG of humans, these leads can be either bipolar or unipolar. Which one of the following is NOT unipolar leads?

TLS Online TPP Program

#Question id: 1099

#Unit 4. Cell Communication and Cell Signaling

How does the toxin of Vibrio cholerae cause profuse diarrhea?

TLS Online TPP Program

#Question id: 4746

#Unit 8. Inheritance Biology

Two independent pure line varieties having deep red and brown phenotype in their seed coat were cross, the all f1 progeny is deep red. The F2 progeny obtain from selfing show deep red and brown in ratio of 15:1. Which of the following observation is correct?

TLS Online TPP Program

#Question id: 11663

#Unit 10. Ecological Principles

Successional community changes in every steps,  process of lithosere is involved in a particular order manner such as,