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BPSC Biology

All about biology in BPSC exams.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

The function(s) of antiviral drugs is/are to

  1. fake inactive DNA building blocks
  2. activate DNA building blocks
  3. fake inactive RNA
  4. activate RNA
  5. All of the above
Question 2 Multiple Choice (Single Answer)

Actinomycetes present in the soil are

  1. bacteria
  2. fungi
  3. protozoa
  4. intermediate group between bacteria and fungi
  5. intermediate group between fungi and protozoa
Question 3 Multiple Choice (Single Answer)

A virus particle is made up of nucleic acid that is surrounded by a protective coat of protein known as

  1. virion
  2. capsid
  3. capsomere
  4. membrane
  5. None of these
Question 4 Multiple Choice (Single Answer)

A viral disease can easily pass on to a healthy plant

  1. by the hands of workers or the tools that he is using
  2. small insects like aphids, thrips, etc.
  3. by growing of parasitic plants
  4. through grafting
  5. All of the above
Question 5 Multiple Choice (Single Answer)

Cankers, leaf spots, overgrowths, scabs, wilts, etc. are some symptoms shown by plants because of diseases caused by

  1. viruses
  2. bacteria
  3. nematodes
  4. fungi
  5. MLO
Question 6 Multiple Choice (Single Answer)

The organisms which cannot complete their life cycle without exploiting the host are called

  1. hemiparasites
  2. periodic parasites
  3. facultative parasites
  4. holoparasites
  5. None of these
Question 7 Multiple Choice (Single Answer)

Pollens are transferred by insects in

  1. anemophily
  2. entimophily
  3. orinithophily
  4. hydrophily
  5. anthropophily
Question 8 Multiple Choice (Single Answer)

Which of the following is a non-seeding and non-photosynthetic group?

  1. Algae
  2. Lichens
  3. Mosses
  4. Ferns
  5. Slime moulds
Question 9 Multiple Choice (Single Answer)

Trees belong to division

  1. angiospermae
  2. gymnospermae
  3. monocotyledoneae
  4. dicotyledoneae
  5. spermatophyta
Question 10 Multiple Choice (Single Answer)

Which of the following cells have the ability to divide and produce all the differentiated cells in an organism?

(a) Blood stem cells
(b) Spores
(c) Zygotes
(d) Brain cells

  1. (a) and (b)
  2. (b) and (c)
  3. (c) and (d)
  4. (a) and (d)
  5. (b) and (d)
Question 11 Multiple Choice (Single Answer)

Which of the following statements is incorrect about pteridophytes?

  1. Cells in the plant body are diploid.
  2. Gametophye is seen dominant in its life cycle.
  3. The sporophytic and gametophytic phases are independent of each other.
  4. Root, stem and leaves are clearly visible in plants.
  5. None of these
Question 12 Multiple Choice (Single Answer)

Which of the following types of stomata is surrounded by three subsidiary cells?

  1. Anisocytic
  2. Actinocytic
  3. Graminaceous
  4. Diacytic
  5. Cyclocytic
Question 13 Multiple Choice (Single Answer)

Match the following:

     
a Sea weeds 1 Used in medicines
b Brown algae 2 Fertility of soil
c Blue green algae 3 Rich in carbohydrates
d Red algae 4 Source of iodine
  1. a - 2, b - 4, c - 3, d - 1
  2. a - 3, b - 4, c - 2, d - 1
  3. a - 3, b - 2, c - 4, d - 1
  4. a - 1, b - 4, c - 2, d - 3
  5. a - 4, b - 3, c - 1, d - 2
Question 14 Multiple Choice (Single Answer)

Which of the following plants lack vascular tissues?

(a) Hornworts
(b) Spikemosses
(c) Mosses
(d) Ferns
(e) Horsetails

  1. Only (a) and (b)
  2. Only (c) and (d)
  3. Only (a) and (c)
  4. (b), (d) and (e)
  5. (a), (c) and (e)
Question 15 Multiple Choice (Single Answer)

The thin layer of cells present just under the tree trunk is called

  1. xylem
  2. cambium
  3. phloem
  4. pith
  5. None of these
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