1.  Who was the first scientist to use an instrument for biological studies in 1665?
    (a) Robert Hooke
    (b) Schwann
    (c) Schleiden
    (d) None of the above
Ans: (a)
2.  The two German scientists who proposed the "cell theory" were
    (a) Mendel and "Darwin
    (b) Theodore Schwann and Matthias Schleiden
    (c) Virchow and Purkinje
    (d) porter and Palade
Ans: (b)
3.  Which one of the following cells helps in storing water and food materials?
    (a) Parenchyma cell
    (b) Flame cell
    (c) Nematoblast
    (d) None of the above
Ans: (a)
4.  Nucleus was first discovered by
    (a) Porter
    (b) Robert Brown
    (c) Palade
    (d) None of these
Ans: (b)
5.  Which of the following organelles is known as the "power House" of the cell?
    (a) Golgi Bodies
    (b) Ribosomes
    (c) Mitochondria
    (d) None of these
Ans: (c)
6.  The smallest size of a cell which can be seen directly by the eye is
    (a) One micron
    (b) 10 micron
    (c) 100 micron
    (d) 1000 micron
Ans: (c)
7.  The primary energy for living organisms is
    (a) Solar energy
    (b) Chemical energy
    (c) Mitochondria
    (d) ATP
Ans: (a)
8.  The cortex of human brain normally consists of
    (a) five billion, two hundred million cells
    (b) nine billion, two hundred million cells