Which of the following statements is incorrect?
1. Life processes are consequences of reactions that occur in an organism.
2. Living organisms are made of inorganic and organic compounds.
3. Life comes from pre-existing life.
4. Genes are not responsible for the stability or changeability of species.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStudy of fossils is called
1. ecology
2. angiology
3. exobiology
4. none of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 'devonian period' is considered to be as
1. age of fishes
2. age of amphibians
3. age of reptiles
4. age of mammals.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe random changes in the allele frequency occurring by chance is termed as
1. genetic variability
2. genetic drift
3. gene migration
4. mutation
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe first living organisms that appeard on the planet, according to the most accepted
view, were
1. anaerobic
2. aerobic
3. photosynthetic
4. none of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of these are considered most essential in the origin of life?
1. Enzymes
2. Nucleic acids
3. Carbohydrates
4. Proteins
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGenetic drift operates only in
1. island population
2. smaller population
3. larger population
4. none of these.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe cranial capacity was largest among the
(a) Peking man (b) Java ape man
(b) African man (d) Neanderthal man
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe early-stage human embryo distinctly possesses
1. gills
2. gill slits
3. external ear (pinna)
4. eyebrows
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA baby has been born with a small tail. It is a case exhibiting
1. retrogressive evolution
2. mutation
3. atavism
4. metamorphosis.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology