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प्रश्न
Complete the paragraph by selecting the appropriate option in parentheses.
(energy, microbial, erosion-proof, reused, purification, environmentally friendly)
Nowadays, instead of chemical catalysts, _______ enzymes are used in the chemical industry. These enzymes are active at low temperature, pH and pressure; due to which _______ is saved and _______ instruments are also not necessary. Enzymes carry out specific processes; hence unnecessary by-products are not formed due to which expenses on _______ are minimised. In case of microbial enzymatic reactions elimination and decomposition of waste material is avoided and enzymes can be _______ Hence, such enzymes are _______.
उत्तर
Nowadays, instead of chemical catalysts, microbial enzymes are used in the chemical industry. These enzymes are active at low temperature, pH and pressure; due to which energy is saved and erosion-proof instruments are also not necessary. Enzymes carry out specific processes; hence unnecessary by-products are not formed due to which expenses on purification are minimised. In case of microbial enzymatic reactions elimination and decomposition of waste material is avoided and enzymes can be reused Hence, such enzymes are environmentally friendly.
संबंधित प्रश्न
How can the soil polluted by acid rain be made fertile again?
Which are the reasons for increasing the popularity of probiotic products?
Why is it necessary to ban the use of plastic bags?
Complete the paragraph using proper words:
(Mechanical, Rhizobium, Aquatic, Toxic, CO2, Nitrogen, Pseudomonas, Amoeba, Bacteria, Hydrocarbons)
Spilling of petroleum oil occurs in ocean due to various reasons. This oil may prove fatal and toxic to _______ organisms. It is not easy to remove the oil layer from surface of water by _______ method. However, bacteria like _______ spp. and Alcanivorax borkumensis have the ability to destroy the pyridines and other chemicals. Hence, these _______ are used to clear the oil spills, These are called as hydrocarbonoclastic bacteria (HCB). HCB decompose the _______ and bring about the reaction of carbon with oxygen. _______ and water is formed in this process.
Yoghurt is a milk product produced with the help of ___________.
Find an odd one out.
Biodegradable plastic used for storing the garbage.
Vinegar is used to bring sweetness in food products.
Match the following.
| Column A | Column B |
| 1) Baker’s yeast | a) Probiotics |
| 2) Sauerkraut | b) Bread |
| 3) Ligases | c) Antibiotics |
| 4) Penicillin | d) Microbial enzyme |
Why does the process of dirt removal occur in detergents even at low temperature?
Give scientific reason.
Bread and other products made using commercial yeast are nutritious.
Write a short note.
Bio-fuels
Observe the figure and write the answers to the questions asked.
- Name the above figure.
- What is it used for?
- Which gas is formed in it?
- How is this gas formed?
- What is done with sewage?
Unscramble the jumbled word underlined in the following statement.
Curbossulite is an air-borne disease caused by a bacterium.
Nostoc is used for fixing nitrogen.
Which enzyme was used earlier for cheese production?
- Which process is shown in the above given picture?
- Give two examples for liquid fuels and solids fuels obtained by this process.
Find odd one out:
Complete the following conceptual picture.
Lactobacillus brevis gives us the beverage ______.
