Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 5944
TLS Online TPP Program

#Question id: 7144

Heart development begins as

#Unit 5. Developmental Biology
  1. a folding process in the mesoderm below the notochord that is exactly like neural tube formation.
  2. an outgrowth of the endoderm above the gut that forms a tube that will become the heart.
  3. a pair of tubes in the lateral plate mesoderm that move together and fuse to form a single tube that will become the heart.
  4. a mesenchymal condensation below the notochord that forms the heart tube.
More Questions
TLS Online TPP Program

#Question id: 7216

#Unit 5. Developmental Biology

Following statements are about Specification of cell fate by the Dorsal protein. Which of the following statement is correct?
TLS Online TPP Program

#Question id: 10870

#Unit 10. Ecological Principles

Which of the following best describes the relationship between a tick and a dog?
TLS Online TPP Program

#Question id: 7699

#Unit 9. Diversity of Life Forms

In the phylogenetic trees, numbers represent species, and the same species are shown in both trees. Which two species are represented as sister species in Tree 2 but are not shown as sister species in Tree 1?
TLS Online TPP Program

#Question id: 10480

#Unit 1. Molecules and their Interaction Relevant to Biology

If we want to perform a reaction, first we need to remove ordered water molecule phenomenon is known as
TLS Online TPP Program

#Question id: 18644

#Unit 13. Methods in Biology

A laboratory technique used to separate DNA, RNA or protein molecules based on their size and electrical charge.