Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

Which of the following is not an autoimmune disease?

  • Psoriasis

  • Rheumatoid arthritis

  • Vitiligo

  • Alzheimer's disease


52.

The similarity of bone structure in the forelimbs of many vertebrates is an example of

  • Homology

  • Analogy

  • Adaptive radiation

  • Convergent evolution


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53.

Which of the following characteristics represent ‘Inheritance of blood groups’ in humans?

a. Dominance
b. Co-dominance
c. Multiple allele
d. Incomplete dominance
e. Polygenic inheritance

  • b, c and e

  • a, b and c

  • a, c and e

  • b, d and e


B.

a, b and c

IAIO, IBIO - Dominant–recessive relationship
IAIB - Codominance
IA, IB & IO - 3- different allelic forms of a gene(multiple allelism)


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54.

In which disease does mosquito-transmitted pathogen cause chronic inflammation of lymphatic vessels?

  • Elephantiasis

  • Ascariasis

  • Amoebiasis

  • Ringworm disease


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55.

All of the following are included in ‘ex-situ conservation’ except

  • Wildlife safari parks

  • Sacred groves

  • Seed banks

  • Botanical gardens


56.

Which part of poppy plant is used to obtain the drug “Smack”?

  • Flowers

  • Latex

  • Leaves

  • Roots


57.

In a growing population of a country,

  • pre-reproductive individuals are more than the reproductive individuals

  • reproductive individuals are less than the post-reproductive individuals.

  • pre-reproductive individuals are less than the reproductive individuals.

  • reproductive and pre-reproductive individuals are equal in number.


58.

Which one of the following population interactions is widely used in medical science for the production of antibiotics?

  • Commensalism

  • Mutualism

  • Amensalism

  • Parasitism


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59.

Match the items given in Column I with those in Column II and select the correct option given below :

Column I Column II
a Eutrophication i UV-B radiation
b Sanitary landfill ii Deforestation
c Snow blindness iii Nutrient enrichment
d Jhum cultivation iv Waste disposal

  • a b c d
    ii i iii iv
  • a b c d
    i iii iv ii
  • a b c d
    i ii iv iii
  • a b c d
    iii iv i ii

60.

Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?

  • Inflammation of bronchioles; Decreased respiratory surface

  • Increased number of bronchioles;Increased respiratory surface

  • Decreased respiratory surface;Inflammation of bronchioles

  • Increased respiratory surface;Inflammation of bronchioles


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