Biotechnology and microbes in human welfare Quiz-10
Dear Readers,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..
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Q1.
Clove oil is obtained from
Solution
(c) Clove (Syzygium aromaticum) belongs to family-Myrtaceae. Unopended flower buds of this plant yield an oil which is used for perfumes and medicines.
(c) Clove (Syzygium aromaticum) belongs to family-Myrtaceae. Unopended flower buds of this plant yield an oil which is used for perfumes and medicines.
Q2.
The symbiotic association of fungi with the roots of higher plants is called
Solution
c) A mycorrhiza is a symbiotic association between a fungus and the roots of a vascular plant. They are an important component of soil life and soil chemistry
c) A mycorrhiza is a symbiotic association between a fungus and the roots of a vascular plant. They are an important component of soil life and soil chemistry
Q3. Quinine used for treatment of malarial fever is extracted from
Solution
(b) Quinine is obtained from the bark of Cinchona officinalis (family-Rubiaceae). The bark of this plant contains about 30 alkaloids including quinine, cinchonine, quinidine and cinchonidine.
(b) Quinine is obtained from the bark of Cinchona officinalis (family-Rubiaceae). The bark of this plant contains about 30 alkaloids including quinine, cinchonine, quinidine and cinchonidine.
Q4. Biogas produced by fermentation of manure, sewage, cattle dung, etc., predominantly comprises
Solution
b) Biogas produced by fermentation of manure, sewage, cattle dung, etc., predominantly comprises methane and carbon dioxide. The major component of biogas is methane (about 50-68%). The other gasess are carbon dioxide (25-35%), hydrogen (1-5%), nitrogen (2-7%) and rarely hydrogen sulphide
b) Biogas produced by fermentation of manure, sewage, cattle dung, etc., predominantly comprises methane and carbon dioxide. The major component of biogas is methane (about 50-68%). The other gasess are carbon dioxide (25-35%), hydrogen (1-5%), nitrogen (2-7%) and rarely hydrogen sulphide
Q5.
Which one of the following is not used in organic farming?
