Question

C. Multiple choice questions.

1. Select the odd one out

a. Membranes are made of organic molecules like proteins and lipids.

b. Molecules soluble in organic solvents can easily pass through membranes.

c. Plasma membranes contain chitin sugar in plants.

d. Movement of water across a semipermeable membrane is affected by the amount of

substances dissolved in it.

2. Cell organelles without a cell membrane are

a. Nucleus

b. Chloroplasts

c. Ribosomes

d. Golgi apparatus

3. The proteins essential for building the cell membrane are manufactured by

a. Rough endoplasmic reticulum

b. Plasma membrane

c. Mitochondria

d. Golgi apparatus

4. Silver nitrate solution is used to study

a. Endoplasmic reticulum

b. Nucleus

c. Golgi apparatus

d. Mitochondria

5. Plasmolysis in a plant cell is defined as
a. breakdown of plasma membrane in hypotonic medium

b. Shrinkage of cytoplasm in hypertonic medium

c. Shrinking of nucleoplasm

d. None of them

6. Amoeba acquires its food through this process

a. exocytosis

b. endocytosis

c. plasmolysis

d. Both a & b

7. Cell arises from pre-existing cell was stated by

a. Haeckel

b. Virchow

c. Hooke

d. Schleiden

8. When you keep raisins in hypotonic solution, endosmosis occurs that continues till

a. cells are fully turgid

b. cells burst

c. two hours

d. You keep them in solution

9. The stain used to make temporary mount of human cheek cells

a. Safranin

b. Methylene blue

c. Xylene

d. Iodine

10. These contain their own DNA and ribosomes

a. Mitochondria

b. Golgi apparatus

c. Plastids

d. a & c

please answer it : ​

Answer 1

Answer:

1. B

2. Golgi apparatus

3. rough endoplasmic reticulum

4. mitochondria

5. none of them

6.both a and b

7.haekel