Home
Class 12
BIOLOGY
Choose the correct statement : (a) Com...

Choose the correct statement :
(a) Composting is the process of recycling solid waste by microbes.
(b) Composting is the process of recycling solid waste by plants.
(c) Bioleaching is the use of plants to recover metal pollutants.
(d) Rhizofiltration is the process of water purification.

Text Solution

Verified by Experts

The correct Answer is:
(a)
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (ANSWER THE FOLLOWING)|36 Videos

  • PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (ANSWER THE FOLLOWING)|36 Videos

  • PLANT TISSUE CULTURE

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (ANSWER THE FOLLOWING)|26 Videos

  • PRINCIPLES OF INHERITANCE AND VARIATION

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTION & ANSWERS (Answer the following )|21 Videos

Similar Questions

Explore conceptually related problems

True or False.If False, give the correct statement: The process by which waster materials are used to make new products is called recycling.

Which of the following statement is wrong : (a) Enzymes are biosensors in processing industry. (b) Bio mass is the bulk production of single cell organisms. (c) Process engineering is the tool of biotechnology used for effluent treatment. (d) All the above statement is the wrong.

Identify the incorrect statement. (i) EcoSan toilets is a sustainable way for handling human excreta by using dry composting toilets (ii) It reduces waste water generation (iii) It is based on recovery and recycling of nutrients from excreta (iv) EcoSan toilets are used in several parts of India and Srilanka.

Read the given statements and select the correct option. (i) Loamy soil is best suited for plant growth as it contains a mixture of silt, sand and clay. (ii) The process ofhumification is slow in case of organic remains containing a large amount of lignin and cellulose. (iii) Capillary water is the only water available to plant roots as it is present inside the micropores. (iv) Leaves of shade plant have more total chlorophyll per reaction centre, low ratio of chl a and chl b are usually thinner leaves.

Indicate the correct statement: (a) Humulin is the first pharmaceutical product of rDNA technology for human use. (b) The first transgenic animal, Dolly was developed by rDNA technology. (c) First crop plant genome was sequenced in wheat. (d) Sir Robert G.Edwards grew stem cells in laboratory.

Metallic(nonferromagnetic) and nonmetallic particles in a solid waste may be separated as follows. The waste is allowed to slide down an incline over permanent magnets. The metallic particles slow down as compared to the nonmetallic ones and hence are separated. Discuss the role of eddy currents in the process.

Which of the following statements is/are not correct for single cell protein (SCP)? (i) The biomass is obtained from unicellular microorganisms only. (ii) It provides a protein rich supplement. (iii) They can be grown easily on materials like waste water from potato processing plants, straw, manure, sewage, etc. (iv) It helps to minimise environmental pollution. (v) SCP has to be processed before use.

Assertion : Secondary metabolites are those which are required for the vital life process of microbes. Reason: They are the vital compounds required for the growth of microbes. (a) Both Assertion and Reason are true. But Reason is the correct explanation of Assertion. (b) Both Assertion and Reason are true. But Reason is not correct explanation of Assertion. (c) Assertion is true, but Reason is false. (d) Both Assertion and Reason are false.