Entry Test MCQ :: The Cell

 NOTE :ANSWERS ARE PRESENT AFTER 5 MCQs

1.	Who coined the term CELL?
	A. Schwann B. Schleiden C. Robert Hook D. Both a and b

---

2.	Who opposed the idea the cell is an empty space bounded by thick wall?
	A. Lorenz Oken B. Schwann C. Robert Brown D. Rudolph Virchow

---

3.	Who first observed and thus hypothesized that new cells are formed from previously existing living cell?
	A. Theodor Schwann and Schleiden B. Rudolph Virchows C. Louis Pasteur D. Both b and c

---

4.	Resolution power of a compound microscope is
	A. 2.0 ?m B. 2-4 A C. 24 ?m D. 24 A

---

5.	Magnifying power of electron microscope as compared to eye is
	A. 500 X B. 250000X C. 500000X D. 250X ANSWERS OF ABOVE FIVE MCQs1.(C) 2.(C) 3.(B) 4.(A) 5.(B)

---

6.	In cell fractionation various components of cells including its organelles can be isolated in different layers depending upon:
	A. Their physical properties like size & weight. B. Physical properties of the medium like its density. C. Their electrical properties like their charges D. Both a and b

---

7.	Percentage of proteins in cell membrane is
	A. 20-40% B. 40-50% C. 60-80% D. 80-100%

---

8.	Which of the statement about cell membrane is not true?
	A. It contains protein molecules embedded in lipid bilayer B. It is a differentially permeable membrane. C. It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles. D. It may get infolded to engulf solid or liquid material.

---

9.	Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called
	A. Active transport B. Passive transport C. Co-transport D. Counter transport

---

10.

The first layer of cell wall which is formed is:

A. Primary wall B. Secondary wall C. Middle lamella D. All of these ANSWERS OF ABOVE FIVE MCQs 6.(D) 7.(C) 8.(C) 9.(B) 10.(A)  11.  Cellulose is the major component of A. Primary wall B. Secondary wall C. Middle lamella D. all of the above 12.  Strengthening material of prokaryotic cell wall is A. Cellulose B. Chitin C. Inorganic salts silica waxes and ligin D. Peptidoglycan or Murein. 13.  Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called A. Cytosol B. Cisternae C. Polysomes D. Cristae 14.  Whone is not the function of endoplasmic reticulum? A. Nerve impulse conduction B. Transport of material C. Mechanical support D. Synthesis of conjugated molecules 15.  Factory of ribosomal systhesis is A. Cytoplasm B. Nucleus C. Nucleolus D. Endoplasmic reticulum ANSWERS OF ABOVE FIVE MCQs11.(A) 12.(D) 13.(B) 14.(D) 15.(C) 16.  60S and 40S subunit combine to form ______ particle A. 100 S B. 90 S C. 80 S D. 70 S 17.  A group of ribosomes attached to mRNA is known as A. Polymer B. Polypeptide C. Polysomes D. Monomer 18.  Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are pinched off from ______ surface of Golgi apparatus: A. Forming face B. Maturating face C. Any of them D. None of these 19.  During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called A. Lysosomes B. Primary lysosomes C. Secondary lysosomes D. Food vacuole 20.  Autophagosomes are A. Those lysosomes which eat parts of their own cells to generate energy. B. Those lysosomes which eat old and worn out cellular organelles. C. Lysosomes which help in extracellular digestion D. Both a and b ANSWERS OF ABOVE FIVE MCQs 16.(C) 17.(C) 18.(B) 19.(C) 20.(D)