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(1) The Number of species that are known???

  • A. 1.7-1.81 million
  • B. 1.7-1.8 billion
  • C. 1.7-1.8 million
  • D. 1.75-1.8 million
(c) 1.7-1.8 million

(2) Binomial Nomenclature was given by??

  • A. Carolus Linnaeus
  • B. Ernst Mayr
  • C. R.H Whittakar
  • D. M.W Beijerinck
(a) Carolus Linnaeus

(3) Cells were first discovered by??

  • A. Anton van Leeuwenhoek
  • B. Robert Brown
  • C. Robert Hooke
  • D. Rudolf Virchow
(c) Robert Hooke

(4) Cell Theory was given by ??

  • A. Schleiden & schwan
  • B. Anton van Leeuwenhoek
  • C. Rudolf Virchow
  • D. Aristotle
(a) Schleiden & schwan
Explanation - Schleiden and Schwann together formulated the cell theory. This theory however, did not explain as to how new cells were formed.

(5) The Largest isolated single cell is:?

  • A. Human egg
  • B. Nerve cell
  • C. Amoeba
  • D. Ostrich egg
(d) Ostrich egg

(6) The Nucleous was first discovered by Robert Brown in:?

  • A. 1756
  • B. 1998
  • C. 1831
  • D. 1835
(c) 1831

(7) How many chromosomes are present in human body??

  • A. 22
  • B. 43
  • C. 35
  • D. 46
(d) 46

(8) New cells generate from??

  • A. Bacterial fermentation
  • B. Regeneration of old cells
  • C. Pre-existing cells
  • D. Abiotic material
(c) Pre-existing cells

(9) What was the first genetic material discovered??

  • A. DNA
  • B. Protein
  • C. RNA
  • D. Chromatin
(c) RNA

(10) Which of the following animals is a lower invertebrate??

  • A. Porifera
  • B. Round worm
  • C. Tape worm
  • D. All the above
(d) All the above