Continuous addition of sugars in 'fed-batch' fermentation is done to

• obtain antibiotics 

• purify enzymes

• degrade sewage

• degrade sewage

How many organisms in the list given below are autotrophs?
Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Sacharomyces, Trypanosoma, Porphyra, Walfia.

• Four

• Five

• Six

• Six

Maximum nutritional diversity is found in the group 

• Fungi

• Animalia

• Monera

• Monera

The highest number of species in the world is represented by

• fungi

• mosses

• algae

• algae

Organisms called Methanogens are most abundant in a 

• cattle yard

• polluted stream

• hot spring

• hot spring

Which one of the following animals is correctly matched with its particular named taxonomic category?

• Cuttlefish - Mollusca, a class

• Humans  - Primata, the family

• Housefly - Musca, an order

• Housefly - Musca, an order

Which statement is wrong for viruses?

• All are parasites

• All of them have helical symmetry

• They have ability to synthesize nucleic acids and proteins

• They have ability to synthesize nucleic acids and proteins

In eubacteria, a cellular component that resembles eukaryotic cells is

• nucleus

• ribosomes

• cell wall

• cell wall

In the five-kingdom classification, Chlamydomonas and Chlorella have been included in

• Protista

• Algae

• Plantae

• Plantae

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

• Diplontic life style

• Members of kingdom-Plantae

• Mode of nutrition

• Mode of nutrition