OBJECTIVES & FILL IN THE BLANKS OF ULTRASTRUCTURE

Multiple Choice Questions (MCQs)

1. Which of the following is not the function of SER?

(a) Synthesis of lipids                (h) Detoxification of drugs

(c) Muscle contraction                (d) Protein synthesis

2. Which of the following is not the function of RER?

(a) Synthesis of lipids                (b) Detoxification of drugs

(c) Muscle contraction                (d) Protein synthesis

3. The number of stomata in plant cells are:

(a) 20 to 30       (h) 30 to 40      (c) 50 to 60       (d) 100 to 200

4. The width of chloroplast is:

(a) 2 — 4 p        (b) 2 — 8 14     (c) 1 — 4 p        (d) 2 — 6 p

5. The granule like structure present in chloroplast is:

(a) Thylakoid (b) Gram               (c) :itroma         (d) Intergranum

6. The fluid that surrounds the thylakoids is:

a) Thylakoid       (h) Grana         (c ) Stroma        (d) Intergranum

7. Number of thylakoids in granum is:

(a) 12 to 40       (b) 20 to 40      (c) 12 to IOU     (d) 52 to 95

8. The plastids containing coloured pigments other than chlorophyll are: (a) Chloroplast (b) Chromoplast(c) Leucoplast (d) None
9. The starch storing leucoplasts are called:

(a) amyloplasts(b) leucoplasts (c) lipoplast          (d) None

1. The protein storing are called:

(a) amyloplasts(b) leucoplasts (c) lipoplast          (d) None

1. The lipid storing ieucoplasts are called.

(a) amyloplasts(b) leticoplosts (c) lipoplast          (d) None

2. Mitochondria were first discovered by:

(a) Sanger        (b) Altmann    (c) Palade         (d) None

3. Phragmoplast are synthesized by:

(a) RER             (b) SER           (c) Dictyosme (d) Lysosome

4. Ribosomes were discovered by:

(a) Sanger        (b) Altmann    (c) Palade         (d) None
Peroxisomes were discovered by:

(a) Sanger         b) Altmann    (c) Palade         (d) De Dove

6. The size of peroxisomes in micron is:

(a) 0.6              (b) 0.1            (c) )0.5             (d) 2.0
Answers:

1. (d) 2. (d) 3. (b) 4. (a)          5. (b) 6. (c)      7. (a)    8. (6)

9. (a)    10. (b) 11. (c) 12. (b) 13. (c) 14. (c) IS. (d) 16.(c)

Fill in blanks

1. The membranous bound and pigment containing bodies present

in the cell are called ______

2. Name plastid was first used by ______ in 1883.
3. A typical mesophyll cell contains about_____ chloroplasts.
4. _______ is a fluid that surrounds the thylakoids.
5. A _______ is pile of tis lakoids. stacked on each other like
   coins.
6. On the average. 50 or more thylakoids are piled to limn one_______
7. ‘De plastids containing coloured pigments other than chlorophyll are called _______
8. ______ give colour to plants other than green
9. the colourless plastids are called _____
10. Mitochondria were first described by ___________ in 1894.
    Ans:I. plastids        2.fichimper 3.30 to 40            4. Stroma
11. 5. granum       6. gratium        7. chromolast 8. Chromoplasts
    9. leucoplasts 10. Altmann