Identify the incorrectly matched pair:

The given diagram shows the formation of:
  

1. Conidia on sporangiophores
2. Ascospores on asci
3. Basidiospores on a basidium
4. Conidia on conidiophores

Which of the following statements is correct?
1. Lichens do not grow in polluted areas.
2. Algal component of lichens is called mycobiont.
3. Fungal component of lichens is called phycobiont.
4. Lichens are not good pollution indicators.

In which group of organisms the cell walls form two thin overlapping shells which fit together?

Identify the incorrect statement regarding viruses:
1. A virus is a nucleoprotein and the genetic material is infectious
2. Retroviruses contain both RNA and DNA
3. Viruses are obligate cellular endoparasites
4. Viruses can be crystallized and this was first shown by W. M Stanley

The thalloid body of a slime mould (Myxomycetes) is known as:

Identify the incorrect statement regarding Euglena:
1. Euglena's chloroplasts are surrounded by three membranes and contain pyrenoids
2. Euglena has two flagella rooted in basal bodies, one flagellum is very short, and does not protrude from the cell, while the other is relatively long
3. A photosensitive red spot is present towards the anterior end
4. When feeding as a heterotroph, Euglena takes in nutrients by osmotrophy

T.O. Diener discovered a

Cell wall is absent in: