Biological Clas...

Which group includes moulds and yeast?

The oospore divides into two cells. The upper cell enlarges. It is called

In most fungi, cell wall is chiefly made up of

Study the following lists.
                List-I                                                        List-II
(A) Corynebacterium glutamicum                      (I) Flexibility in shape
(B) Halobacterium                                              (II) Mineralisation
(C) Cristispira                                                     (III) Lysine
(D) Bacillus mycoides                                         (IV) Gas vacuoles
                                                                             (V) Parasite on bacteria
The correct match is

The conditions for a virus to attack a host cell is

Lichens are sensitive to

Which of the following statements is true for viruses?

Bacteriophage viruses were added to a petri dish containing sterile agar growth medium. After a week, the dish was sampled and a number of viruses present was compared. What results would be expected?

What type of association is shown by lichens (an alga and fungus), in which the fungal component absorbs water and nutrients for both organisms, while the algal component manufacturers food for both organisms through photosynthesis?