TLS Online TPP Program

#Question id: 1056


During penetration of E. coli by the T4 phage

#4. Cell Communication and Cell Signaling
  1. lysozyme is used to allow entry of the phage capsid.

  2. the tail acts as a "hypodermic needle," injecting the phage DNA into the cell.

  3. the protein fibers digest a hole in the cell wall.

  4. the bacterial receptor molecules open a hole through the cell wall.

More Questions
TLS Online TPP Program

#Question id: 10681

#10. Ecological Principles

Which of the following is not condition for commensalism?


TLS Online TPP Program

#Question id: 10682

#10. Ecological Principles

if 30 individuals of species 2 take up the same amount of resources as 5 individual of species 1 then the per capita competitive effects on species 1 of species 2 is

TLS Online TPP Program

#Question id: 10683

#10. Ecological Principles

Which of the following interaction shown in figure

TLS Online TPP Program

#Question id: 10684

#10. Ecological Principles

Which one of the following statements is INCORRECT?

TLS Online TPP Program

#Question id: 10689

#10. Ecological Principles

Which of the following is correct statement?

A) Body size of parasitoid is always greater than host but parasite usually smaller than host

B) Predator immediately kill their prey however parasitoid never kill their host

C) Intrinsic rate of parasite is faster than host but intrinsic rate of predator is slower than prey

D) Body association time between parasite and host is more than time association between predator and prey

TLS Online TPP Program

#Question id: 10691

#10. Ecological Principles

Following some attributes of biological control agent of parasite

A) General adaptability to the environment.

B) High searching capacity for hosts.

C) K selected strategy

D) Low dispersal ability.

E) Minimal time lag effects in responding to changes in host numbers.

Following above attribute is not ideal for that biological agent?