Biotechnolgy and microbes in human welfare Quiz-13

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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. .

Q1.  Activated sludge have the ability to settle quickly so that it can
  •   Be rapidly pumped back from sedimentation to aeration tank
  •   Absorb pathogenic bacteria present in waste water, while sinking to the bottom of the settling-tank
  •   Be discarded and anaerobically digested
  •   Absorb colloidal organic matter`
Activated sludge should have the ability to settle quickly so that it can be rapidly pumped back from sedimentation to aeration tank

Q2.  Cocaine alkaloid is obtained from
  •   Erythroxylon coca
  •   Thea chinensis
  •   Coffea arabica
  •   Theobroma cacao
Cocaine alkaloid is obtained from Erythroxylon coca.

Q3.  Biogas is a mixture of inflammable gases like
  •   Methane,CO2,Hand H2S
  •   Methane,CO,H2 and N2
  •   CO2,H2 and H2S
  •   CO, Methane and N2
The major component of biogas is methane (about 50-68%), which is highly inflammable. The other gases a carbon dioxide (25-35%), hydrogen (1-7%) and rarely hydrogen sulphide

Q4.  CFCL is situated at
  •   Delhi
  •   Faridabad
  •   Mumbai
  •   Amritsar
CFCL is situated at Faridabad (Haryana).

Q5. Morphine obtained from opium is
  •   Latex
  •   Pome
  •   Alkaloid
  •   Tannin
  Opium is the dried latex obtained from unripe capsules of Papaver somniferum (poppy). Morphine, codeine are the alkaloids formed from the dried latex and have the pain relieving property.

Q6.  An organism used as biofertiliser for raising any legume crop is
  •   Nostoc
  •   Anabaena
  • Clostridium
  •   Rhizobium
Rhizobium is used as biofertiliser for raising any legume crop. Rhizobium is a symbiotic bacterium that lives in the root nodules of legumes and fixes atmospheric nitrogen into organic compound

Q7. The part of flower of Crocus that yields saffron is
  •   Calyx
  •   Corolla
  •   Perianth
  •   Style and stigma
Saffron is obtained from the stigma and upper portion of style of the flower of Crocus plant.

Q8. In paddy fields biological nitrogen fixation is chiefly brought by
  •   Cyanobacteria
  •   Green algae
  •   Mycorrhiza
  •   Rhizobium
Non-symbiotic nitrogen fixation is carried out by Azotobacter, Clostridium, Azopirillum fungi and cyanobacteria (Nostoc, Anabaena).

Q9. An important drug is obtained from the bark of
  •   Papaver
  •   Cinchona
  •   Withania
  •   Momordica
Quinine is obtained from bark of Cinchona officinale. Opium is obtained from fruits of Papaver somniferum. Ashwagandha is obtained from root of Withania somnifera.

Q10.  What will your conclude, when a cow is crossed to a bull and the female progeny is yielding more milk than its mother?
  •   More number of genes for high yielding milk are inherited, only from the female parent
  •   More number of genes for high yielding milk are inherited only from the male parent
  •   More number of genes for high yielding milk are inherited from both the parents
  • The progeny through mutation achieved more number of genes for high yielding milk
In this case, more number of genes for high yielding milk are inherited from both the parents.

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