I. Fill in the blanks.

1. The type of  endocytosis  known as "cell feeding" is called ___________.

2. Cell theory was proposed by __________ and __________.

3. Cell wall is found only in _________ cells.

4. In plant cells, a cell wall composed mainly of _________ is located outside the cell membrane.

5. Genes are functional segments of __________.

6. Active transport and facilitated transport are alike in  that they require _________ proteins, but they differ in that in active transport _________ is required.

7. Same organelles  perform _________ function in all organisms.

8. Vacuoles are surrounded by a single  membrane called __________.

9. Cristae create a large surface area  for ________ generating reactions.

10. Active transport is the  movement of molecules against a diffusion gradient  from __________ concentration to _________ concentration.

Answers.

1. Phagocytosis

2. Schleiden, Schwann

3. Prokaryotic

4. Cellulose

5. DNA

6. Carrier, energy

7. Similar

8.Tonoplast

9. ATP

10. Lower, higher

 II. True / False

1. Photosynthetic prokaryotic bacteria have chlorophyll  pigments in membranous vesicles.

2. Central vacuole occupies 10-20% of cell  volume.

3. Prokaryotic cell have  no membrane- bound organelles.

4. Lysosomes keep the cells clean by digesting foreign materials.

5. The ER functions both as a passage way for intracellular transport and as a manufacturing surface.

6. Protoplasm is the part of the cell which surrounds  the nucleus.

7. Lipids in a lipid bilayer rapidly exchange positions with one another in the plane of  the membrane.

8. SER detoxifies many positions and drugs.

9. Some membrane  proteins are enzymes.

10. Facilitated  transport requires the expenditure of energy.

Answers

1. True

2.False

3. True

4. True

5. True

6. True

7. True

8. True

9. True

10. False

III. Match the column

Each question contains statements given in two columns which have to be matched. Statements(A,B,C,D) in column I have to be matched with statements (p,q,r,s) in column II.

1.

Answer

A(p), B(r), (C) (q)

2.

Answer

A(q), B(p), C(s),D(r)

3.

Answer

A(p), B(r), C(q), D(s)