Contagium vivum fluidum was proposed by

1.	D. J. Ivanowsky	2.	M. W. Beijerinek
3.	Stanley	4.	Robert Hooke

With respect to fungal sexual cycle, choose the correct sequence of events
1. Karyogamy, Plasmogamy and Meiosis
2. Meiosis, Plasmogamy and Karyogamy
3. Plasmogamy, Karyogamy and Meiosis
4. Meiosis, Karyogamy and Plasmogamy

Members of phycomycetes are found

Choose from the following options:

Match the bacteria in Column I with its shape in Column II and select the correct option from the codes given below:

Codes

In the symbiotic relation lichen, the mycobiont does not:
1. prepare food for the other partner
2. provide shelter to the other partner
3. absorb mineral nutrients for the other partner
4. absorb water for the other partner

Potato Spindle Tuber Disease is caused by a pathogen that is:

Prion is:
1. A nucleocapsid
2. A low molecular weight free RNA
3. An abnormally folded protein
4. A protozoan

Which of the following is not a characteristic of dinoflagellates?

The chief producers in the oceans are:

Deuteromycetes are also called as Fungi imperfecti because:
1. They do not have a thalloid body
2. They can contain chlorophyll
3. There are no parasitic members
4. Sexual phases are not known