Biology MCQs with answers Page - 72

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Q. _______ reproduces by binary fission.

  • (A) Amoeba
  • (B) Liverfiuke
  • (C) Plasmodium
  • (D) Planaria

A

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Q. The DNA of the bacterium is found present in a distinct nuclear region called

  • (A) Nucleolus
  • (B) Centrosome
  • (C) Nucleoid
  • (D) Nucleus

A

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Q. In autotrophic bacteria, where is chlorophyll located?

  • (A) In the nucleoid
  • (B) In the infolded plasma membrane
  • (C) In the ribosomes
  • (D) In chloroplast membranes

A

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Q. Bacteria were first discovered by

  • (A) Robert Koch
  • (B) Robert Hooke
  • (C) Louis Pasteur
  • (D) A.V.Leeuwenhoek

A

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Q. Among the many substances manufactured commercially by means of ________ are acetic acid, acetone, butanol, lactic acid and several vitamins.

  • (A) Viruses
  • (B) Bacteria
  • (C) Fungi
  • (D) Yeast

A

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Q. In fungi asexual reproduction occurs mostly by

  • (A) Fragmentation
  • (B) Budding
  • (C) Spore formation
  • (D) All of these

A

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Q. Amoeba belongs to the phylum

  • (A) Protozoa
  • (B) Annelida
  • (C) Porifera
  • (D) Platyhelminthes

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Q. Dried milk dried meat are examples of preservation by

  • (A) Pasteurization
  • (B) Dehydration
  • (C) Strerilization
  • (D) None of the above

A

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Q. Plants that grow in saline water are called

  • (A) Thallophytes
  • (B) Halophytes
  • (C) Mesophytes
  • (D) Hydrophytes

A

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Q. The Mushrooms are rich sources of

  • (A) Minerals
  • (B) Proteins
  • (C) Carbohydrates
  • (D) None of these

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