Question

12. White rust of crucifer is caused by ______________.

a. Albugo b, Sclerospora c, Phytophthora d, Pythium

13. Deuteromycetes reproduce only by __________.

a. gametes b, motile spores c, conidia d, somatogamy

14. Gentic materal of virus is ____________.

a, DNA b, RNA c, protein d, 1 or 2

15. Fungal partner in lichens is called ____________.

a. phycobiont b, mycorrhiza c, mycobiont d, host

SECTION – B 5 X 2 = 10

1. Write the advantages of consciousness in living organisms.

2. List out the features which distinguish living things from non-living things.

3. Write examples of two species, each belonging to same genera.

4. State two economically important uses of (i) Heterotrophic bacteria (ii) archaebactera.

5. Draw a labelled diagram of bacteria cell.

SECTION – C 5 X 3 = 15

1. List out the differences between monera and protista.

2. What are the characteristic features of euglenoids?

3. Explain the terms. (i) Basidiocarp (ii) Basidia (iii) Basidiospores.

4. In which area taxonomical aids are helpful? Why taxonomic aids are used in these

studies? Which different taxonomical aids are used by the biologist?

5. Do you consider a person in coma, living or dead?

SECTION – D 2 X 5 = 10

1. Brassica campestris Linn.

(a) Give the common name of the plant.

(b) What do the first two parts of the name denote?

(c) Why are they written in italics? It is required by rules of nomenclature.

(d) What is the meaning of Linn, written at the end of name?

2. Give a comparative account of the classes of kingdom Fungi under the following:

(i) Mode of nutrition (ii) Mode of reproduction​

Answer 1

Answer:

12)Oomycete Albugo Candida