Origin and Evolution of Life Quiz-18

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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. Evolution is
  •  Development of DNA from nucleotides.
  •  Development of organism through time.
  •  Development of a cell from chemicals.
  •  cloning
Evolution is the event of changes through which an organism is descended from ancestor through time.

Q2. Which of the given pairs are correct I. Wings of insects and birds are homologous organ II. Wings of bats and bird are homologous organ III. Wings of insect and bats are analogous IV. Wings of insect and bird are analogous Choose the correct option
  •  I and II
  •  I and III
  •  I and IV
  •  II, III and IV
Wings of insects and birds are analogous organs because they performs the same function but have different origins

Q3. Which of the following factor would affect the future population?
  •  Mutation in sperm or egg
  •  Exercise daily
  •  Mutation in somatic cell
  •  Mutation in somatic cells
Mutation in sperm or egg affects the future population because egg or sperm are the germ cells and any change in germ cells leads to the change in offspring produced by them (egg or over)

Q4. Phenomenon of industrial melanism demonstrates
  •  Reproductive isolation
  •  Induced mutation
  •  Natural selection
  •  Geographical isolation
Phenomenon of industrial melanism demonstrates natural selection, e.g., occurrence of dark (melanic) form of insects in regions with high industrial pollution.

Q5.Urey –Miller’s experiment mixture had the following except
  •  Methane
  •  Hydrogen
  •  Water vapour

Q6. According to fossils discovered upto present time origin and evolution of man was started from which country
  •  France
  •  Java
  • Africa
  •  China
The first hominid (ancestor from whom humans evolved) arose at a time when a change in weather led to the reduction in the size of the African forests favouring bipedalism

Q7.Genetic drift operates to
  •  Large isolated population
  •  Small isolated population
  •  Fast reproductive population
  •  Slow reproductive population
Genetic Drift The process of change in the genetic composition of a population due to chance or random events rather than by natural selection, resulting in changes in allele frequencies overtime. The effect of genetic drift in large populations is usually negligible whereas in small populations, it predominates

Q8.Fossil of Cro-magnon man was found in
  •  Southern France
  •  Northern France
  •  Northern Germany
  •  South Africa
Cro-magnon (Homo sapiens fossils) is the direct ancestor of modern man. Its fossil remains were found in 1864 from rock shelter caves in Southern France. More fossils were later found from caves of North-West Italy, Poland, Czechoslovakia and France.

Q9.Every cell of the body contributes gemmules to the germ cells and so shares in the transmission of inherited characters’, this theory is known as
  •  Theory of inheritance of acquired characters
  •  Theory of germplasm
  •  Theory of pangenesis
  •  Theory of mutation
Charles Darwin (1809-1882) tried to suggest the physical basis of heredity by pangenesis theory and suggested that every cell of the body contributes gemmules to the germ cells and so shares in the transmission of inherited characters.

Q10. Ornithorhynchus is a connecting link between
  •  Birds and reptiles
  •  Reptiles and amphibians
  •  Birds and amphibians
  • Fishes and amphibians
Ornithorhynchus anatinus. Duck-billed platypus is one of the three species of monotremes. These species are unique among mammals in that they retain their ancestral characteristic of egg laying. They have a cloaca through which eggs are laid and both liquid and solid waste is eliminated. Duck-billed platypus is stream-lined and elongated, they have fur ranging from medium brown to dark brown on the dorsal side and brown to silver-gray on the ventral side

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Origin and Evolution of Life Quiz-18
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