The Cell
MCQs CORNER
Cell
1. Unicellular microscopic organisms were first studied by
(a) Robert Hooke
(b) Priestley
(c) Pasteur
(d) Leeuwenhoek
2. Cell theory was formulated by
(a) Schleiden and Schwann
(b) Robert Hooke
(c) Leeuwenhoek
(d) Marcello Malpighi
3. "Omnis cellula-e cellula" i.e., new cells arise from pre-existing cells; this statement was given by
(a) Schleiden and Schwann
(b) Rudolf Virchow
(c) Robert Brown
(d) Robert Hooke
4. Who proposed a modification in the cell theory ?
(a) Schleiden and Schwann
(b) Rudolf Virchow
(c) Robert Hooke
(d) Marcello Malpighi
5. The type of ribosomes found in prokaryotes is
(a) 80S type
(b) 50S type
(c) 30S type
(d) 70S type
6. The latest model of cell membrane is the
(a) Unit membrane model
(b) Fluid mosaic model
(c) Danielli and Davson's model
(d) Robertson's model
7. Ribosomes are composed of
(a) RNA only
(b) Proteins only
(c) RNA and proteins
(d) RNA, proteins and DNA
8. Which structures perform the function of mitochondria in bacteria ?
(a) Nucleoid
(b) Ribosomes
(c) Cell Wall
(d) Mesosomes
9. Who gave the lamellar or sandwich model of cell membrane ?
(a) Singer and Nicolson
(b) Danielli and Davson
(c) J. Robertson
(d) None of these
10. Match the cell organelles given in column I with cellular processes in column II and select the correct option from the codes given below.
Column I | Column II | ||
A. | Lysosomes | (i) | Protein synthesis |
B. | Ribosomes | (ii) | Hydrolytic activity |
C. | Smooth endoplasmic reticulum | (iii) | Steroid synthesis |
D. | Centriole | (iv) | Formation of spindle |
A B C D
(a) (ii) (i) (iii) (iv)
(b) (i) (iii) (iv) (ii)
(c) (i) (iv) (iii) (ii)
(d) (iv) (iii) (i) (ii)
ANSWER KEY