TLS Online TPP Program

#Question id: 8940


Which of the following is a correct association of an animal germ layer with the tissues or organs to which it gives rise?

#Unit 9. Diversity of Life Forms
  1. ectoderm: outer covering of digestive system
  2. endoderm: internal lining of blood vessels
  3. mesoderm: central nervous system
  4. mesoderm: skin
More Questions
TLS Online TPP Program

#Question id: 22015

#Unit 1. Molecules and their Interaction Relevant to Biology

According to the Michaelis-Menten equation which of following graph correctly represents   the uncompetitive inhibition

TLS Online TPP Program

#Question id: 292

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following types of non-covalent bonds or interactions is responsible for forming the α helix and β sheet secondary structural motifs of a protein:

TLS Online TPP Program

#Question id: 3470

#Unit 11. Evolution and Behavior

The alleles that cause uncles to care for nephews will spread, when cost value is 30, according to Hamilton’s Rule altruistic only only if the fitness benefit is

TLS Online TPP Program

#Question id: 5686

#Unit 5. Developmental Biology

Following statements are regarding to double fertilization in angiosperms.

A. One sperm cell fuses with the egg cell to produce the zygote that will develop into the new embryonic plant.

B. The second sperm cell fuses with the usually binucleate central cell, giving rise to the

endosperm, the tissue that nourishes the developing embryo. This second event is not “true” fertilization in the sense of male and female gametes undergoing fusion.

C. The second sperm cell fuses with the usually binucleate central cell, giving rise to the

endosperm, the tissue that nourishes the developing embryo. This second event is “true” fertilization in the sense of male and female gametes undergoing fusion.

D. During fertilization in angiosperm, when the sperm cells are released, the egg undergoes a flux of Ca2+. Then, chemicals released from the egg appear to make the sperm competent for cell fusion.

Which of the following statements are true?

TLS Online TPP Program

#Question id: 10610

#Unit 10. Ecological Principles

Among the following which statement is false about r-selected species?