Which of the following are properties of steroid hormones?

I) Steroid hormones are lipid soluble and easily cross the phospholipid bilayer.

II) Steroid hormones usually exert their effects on target cells through membrane receptor proteins.

III) Steroid hormones act on cells close to where they were produced.

IV) Steroid hormones regulate gene transcription by binding to intracellular receptor proteins.

#Question id: 10749

#Unit 10. Ecological Principles

Which of the following observation of above experiment set is correct?

A) First set of experiment, N1 and N2 species are coexist

B) Second set of experiment, N1 and N2 species are coexist

C) Second set of experiment, N1 will be win

D) First set of experiment, population growth of each species is limited more by intraspecific competition than by interspecific competition

#Question id: 10750

#Unit 10. Ecological Principles

Which of the following correct this model?

#Question id: 10751

#Unit 10. Ecological Principles

Possible interaction between populations in following manner ,which of the following best represent for negative ineteracion ?

#Question id: 10752

#Unit 10. Ecological Principles

Which of the following is an example of Batesian mimicry?

A) a butterfly that resembles a leaf

B) a nonvenomous larva of a moth that moves like a venomous snake

C) a fawn with fur coloring that camouflages it in the forest environment

D) a snapping turtle that uses its tongue to mimic a worm, thus attracting fish

#Question id: 10753

#Unit 10. Ecological Principles

Which of the following is correct combination? 

#Question id: 10754

#Unit 10. Ecological Principles

Following is different type of interaction was shown in figure. (+: Benefit , - Harm , 0= Neither benefit nor harm) What is interaction between column A & B in each schematic?