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Biotechnology and microbes in human welfare Quiz-8

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NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions. About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus. Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced..
are very important in achieving your success in CLAT, DULLB and Other Law Exams..

Q1.  Which of the following is/are the approache(s) for biological farming?
I. Familiarity with various life-forms inhabiting the field
II. Gain knowledge about the life cycles, patterns of feeding and habitat of predators and pests
Choose the correct option
  •  Only I
  •   Only II
  •  I and II
  •  None of these
Solution
c) An important part of the biological farming approach is to become familiar with the various life forms that inhabit the field, predators as well as pests and also their life cycles, patterns of feeding and the habitats that they prefer. This will help to develop appropriate means of biocontrol

Q2. Which one of the following is being utilized as a source of biodiesel in the Indian countryside?
  •  Euphorbia
  •  Beetroot
  •  Sugarcane
  •   Pongamia
Solution
a) Some plants accumulate hydrocarbons in form of latex, e.g., Euphorbia, Asclepias, capaifera.

Q3.  Cloves are obtained from
  •  Seed
  •  Fruit
  •  Coat
  •  Flower bud
Solution
(d) Cloves are dried, highly aromatic, unexpanded, flower buds of Eugenia caryophyllus, family-Myrtaceae.

Q4. The organisms which are used to enrich the nutrient quality of the soil are called
  •  Bacteria
  •   Cyanobacteria
  •  Fungi
  •  All of these
Solution
d) Biofertilisers are the microorganisms which enrich the nutrient quality of the soil. Bacteria, fungi and cyanobacteria are the three main sources of biofertilisers
Q5. Saccharomyces cerevisiae is used for commercial production of
  •  Butanol
  •   Ethanol
  •  Methanol
  •  Acetic acid
Solution
b) Saccharomyces cerevisiae is used for commercial production of ethanol. S. cerevisiae is a single celled eukaryotic budding yeast belonging to the Ascomycetes (a highly diverse group of fungi)

Q6. Cricket bat is made from the wood of
  •   Pinus walichiana
  •  Shorea robusta
  •   Salix sp
  •  Cedrus deodara
Solution
a) The growing microbes consume organic matter and thus reduce the Biochemical Oxygen Demand (BOD)

Q7.The purpose of biological treatment of waste water is to
  • Reduce BOD
  •  Increase BOD
  •  Reduce sedimentation
  •  Increase sedimentation
Solution
b) Powdery mildew of wheat-Erysiphe graminis. Loose smut of wheat-Ustilago tritici.
Q8. Powdery mildew of wheat is caused by species of
  • Puccinia
  •  Erysiphe
  •  Ustilago
  •  Albugo
Solution
c) In order to protect the major rivers of India from sewage pollution, the ministry of environment and forests, has initiated development of sewage treatment plants under the National River Conservation Authority, e.g., Ganga Action Plan (GAP), Yamuna Action Plan, Sutlej Action Plan, Gomati plan

Q9.Which of the following plan has been initiated by the Ministry of Environment and Forests to protect rivers from water pollution?
  •  Ganga action plan
  •  Yamuna action plan
  •  Both (a) and (b)
  •  Neither (a) nor (b)
Solution
a) Genetic diversity in agricultural crops is threatened by introduction of high yielding varieties.

Q10.  Genetic diversity in agricultural crops is threatened by
  •  Introduction of high yielding varieties
  •   Intensive use of fertilizers
  •  Extensive intercropping
  •  Intensive use of biopesticides
Solution
c) White wiltom (Salix alba) of family-Salicaceae is used for manufacture of sports goods, specially cricket bats, badminton rackets and hockey sticks.

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BEST NEET COACHING CENTER | BEST IIT JEE COACHING INSTITUTE | BEST NEET, IIT JEE COACHING INSTITUTE: Biotechnology and microbes in human welfare Quiz-8
Biotechnology and microbes in human welfare Quiz-8
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