TLS Online TPP Program

#Question id: 8694


Which of the following is (are) problematic when the goal is to construct phylogenies that accurately reflect evolutionary history?

#Unit 9. Diversity of Life Forms
  1. polyphyletic taxa
  2. paraphyletic taxa
  3. monophyletic taxa
  4. polyphyletic taxa and paraphyletic taxa
More Questions
TLS Online TPP Program

#Question id: 70

#Unit 1. Molecules and their Interaction Relevant to Biology

The dimensions of living cells are limited, on the lower end by the minimum number of biomolecules necessary for function, and on the upper end by the rate of diffusion of solutes such as oxygen. Except for highly elongated cells, they usually have lengths and diameters in the range of

TLS Online TPP Program

#Question id: 13037

#Unit 13. Methods in Biology

Which of the following proteins will be most far away from the positively charged electrode during isoelectric focusing in a buffer with pH of 5?

TLS Online TPP Program

#Question id: 20287

#Unit 7. System Physiology – Animal

Match the medications to their main action:

1. Thiazolidinediones

a. to control plasma glucose

2. Metformin

b. cause additional release of insulin by the

pancreas

3. Sulfonylureas

c. suppress liver glucose production

4. Insulin

d. increase insulin sensitivity

TLS Online TPP Program

#Question id: 7184

#Unit 5. Developmental Biology

The figure above represents a late zebrafish gastrula. The following concepts may be proposed during further development of the embryo.

A. The concentration of FGF decreases from the yolk towards the epidermis, along with the increase of BMP activity from the dorsal to the ventral axis.

B. Increase in FGF activity in the epidermis with concomitant decrease in BMP activity towards the ventral axis.

C. Neural induction in zebrafish is independent of the organizer and depends on activation of BMP signalling.

D. In comparison, both Xenopus and chick embryos require activation of FGF for neural induction to occur in addition to BMP inhibition.

Which of the above statements are incorrect?

TLS Online TPP Program

#Question id: 3379

#Unit 11. Evolution and Behavior

polymorphism is define existence of two or more form of same species within same population at the same time and place .polymorphism either balanced or transient depending upon type of natural selection  which of the following reason for balanced genetic polymorphism

a. each morph has selective advantage at equal intensity

b. non of the morph has selective advantage over other

c. heterzygote superiority