Biology MCQs

31. The membrane investing the ovum just outside the membrane granulosa is __.
[A] theca interna
[B] discus proligerus
[C] zona pellucida
[D] vitelline membrane

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32. Which disease is caused by Yersinia pestis?
[A] Pertussis
[B] Plague
[C] Leprosy
[D] Diptheria

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33. Which of the following section of DNA provides information for one protein?
[A] Nucleus
[B] Chromosomes
[C] Trait
[D] Gene

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34. Which of the following is an example of nonsense mutation?
[A] Sickle cell anaemia
[B] Cystic fibrosis
[C] Opitz-Kaveggia syndrome
[D] None of these

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35. Which of the following is an example of chromosomal disorders?
[A] Down’s syndrome
[B] Albinism
[C] Haemophilia
[D] Sickle cell anaemia

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36. Which of the following is an oncogenic trait?
[A] a type of trait whose phenotype is influenced by more than one gene
[B] a trait produced by the effect of a gene or an allele.
[C] a gene that has the potential to cause cancer.
[D] None of these

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37. Which of the following plants are used as green manure in crop fields and sandy soils?
[A] Dicanthium annulatum and Azolla pinnata
[B] Crotalaria junecea and Alhagi camelorum
[C] Calotropis procera and Pitylanthus niruri
[D] Saccharum munja and Lantana camara

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38. What is another important research area of biotechnology offers?
[A] optimum conditions for the catalyst
[B] pure form of catalyst
[C] an impure form of the catalyst
[D] purification of products

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39. Which of the following is a mobile genetic element?
[A] virus
[B] bacteria
[C] Transposons
[D] insertion sequence

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40. BT seed is associated with ____:
[A] Rice
[B] Cotton
[C] Wheat
[D] Oil seeds

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