A – Trichoderina polyspora, B – Organ transplant patients, C – Yeast (Fungus), D – Lowering of blood cholesterol
A – Lowering of blood cholesterol B – Trichoderina polyspora, C – Organ transplant patients, D – Yeast(Fungus)
A – Yeast (Fungus), B – Lowering of blood cholesterol, C – Trichoderina polyspora, D – Organ transplant patients
A – Organ transplant patients, B – Yeast (Fungus),C – Lowering of blood cholesterol, D – Trichoderina polyspora

The diagram below shows a typical biogas plant. Which of the following four option, products labelled as A, B and C are correctly identified –

Microbe used for biocontrol of pest butterfly caterpillars is

Solution

Microbial biocontrol agent that can be introduced in order to control butterfly caterpillars is the bacteria Bacillus thuringiensis (Bt).They sprayed onto vulnerable plants, where they eaten by the insect larvae. In the gut of the larvae, the toxin is released and the larvae get killed. The bacterial disease will kill the caterpillars,but leave other insects unharmed.

A good producer of citric acid is:

Solution

A good source of citric acid is Aspergillus niger (a fun-gus). Apart from citric acid, oxalic acid, gallic acid, glu-conic acid are extracted from fungus.

During sewage treatment, biogases are produced which include :

Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition

Solution

Glomus is endomycorrhiza that helps in absorption of nutrition specially phosphorus from soil.

The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as :

Solution

The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the heterotrophic bacteria. Lactobacillis bacteria convert milk into curd.

Rennet is purified by C. Hansen (1874) for commercial use.This enzyme is extracted from

Solution

Rennet is purified enzyme obtained from stomach of calf used in cheese making.

Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct ?

UnAttempted

0

Attempted

Correct

Wrong