Chap.1 The Cell

1.       

Chapter no.1 the cell

 

2.       

Primary cell wall is composed of

(a) Monosaccharide     (a) Disaccharide

(c) Oligosaccharide      (a) Polysaccharide

D

3.       

Pectin is found in:

(a) Primary wall           b) Secondary wall

(c) Middle lamella        d. All of these

A

4.       

Plant cell wall is

(a) Semi-permeable      (b) Permeable

c) Selectively permeable (d) Both a and

B

5.       

Which one is more thicker in diameter

(a) Primary cell wall (b) Middle Lamella

c) Secondary cell wall d) Botha and

C

6.       

Starch is stained by

a) Aniline sulphate       b) Aniline blue

(c) Borax carmine        (d) iodine solution

D

7.       

The technique uses for the separation of molecules having different electrical charge

(a) Electrophoresis       (b) Spectrophotometry

(c) Micro dissection     (d)Chromatography

A

8.       

 The cell walls of neighbour cells are held together by:

(a) Primary cell wall     (b) Secondary cell wall

(c) Middle lamella        d) Plasma membrane

C

9.       

Which molecule is present abundantly in cell wall:

(a) Protein                    (b)Lipid

(c) Carbohydrate          (d) Phospholipid

C

10.   

Fluid mosaic model was proposed by

(a) Singer and Nicolson                       (b) Watson and Crick

(c) Sheldon and Schwann        (d) Mendel

A

11.   

In 1959 Robertson proposed

(a) Two layers of lipid molecules

(b) Lipid bilayer and protein pores

(c) Unit membrane       (d) Fluid mosaic model

C

12.   

In industries cell wall is used as:

(a) Nitrocellulose                     (b) Rayan

(c) Paper making                      (d) All of these

D

13.   

Integral protein regulate which of the following

(a) Diffusion                            (b) Osmosis.

C) active transport                   d) all of these

D

14.   

Which two components form the protoplasm:

(a) Cell wall and nucleus

(b) Cell wall and cytoplasm

(c) Nucleus and cytoplasm

(d) Cell wall and plasma membrane

C

15.   

Golgi bodies orginate from:

a) Plastids                                (b) Mitochondria

(b) Endoplasmic reticulum       (d) Ribosomes

C

16.   

Which is present nearest to plasma membrane in plant cell?

(a) Secondary wall (b) Primary wall

(c) Middle Lamella (d) Tonoplast

A

17.   

All cell contains

(a) Mitochondria          (b) Golgi bodies

(c) Chloroplast                         (d) Ribosomes

D

18.   

DNA could be found in:

(a) Chloroplast                         (b) Mitochondria

(c) Nucleus                  (d) All of these

D

19.   

Mitochondria is a semi-autonomous organelle

because it contains

(a) Proteins

(b) DNA+RNA

(c) DNA, RNA and ribosomes

(d) RNA and ribosomes

C

20.   

In ribosomes letter "s" signifies:

(a) Sedimentation         (b) Coefficient

(c) Svedberg constant (d) Both a and b

C

21.   

Which is incorrect in relation to lysosomes?

(a) They contain acid hydrolases

(b) They are autophagic

(C) They can digest proteins, nucleic acids and

lipids (d) They are monomorphic

D

22.   

The resolving power of light microscope is

250 nm, which is about times of human eye:

(a) 500X                      (b) 1000 X

(C) 10000X                 (d) 100000 X

A

23.   

 If a microscopy has objective lens of 40X and Eye piece of 10X, what will be it magnification power:

(a) 400X                      (b)40X

(c) 10X                                    (d) 4000X

A

24.   

Which stain is used to stain DNA particularly in cell division:

(a) leishman's division             (b) Fuelgen's stain

(C) Schultz stain          d) Gram stain

B

25.   

How much time is required for spinning a homogenate tissue mixture to isolate

mitochondria:

a. 10 min                     (b) 25 min

(C) 35 min                   (d) 1 hr

D

26.   

Which of the following plant hormone is not

used in tissue culture:

(a) Gibberellin (b) Auxin

(c) Cytokinins (d) Abscisic Acid

D

27.   

Which of the following medium is used in

paper chromatography:

(a) Silica layer (b) Paper

(c) Glass tube   (d) Both a and b

D

28.   

In Electrophoresis, the proportion b/w amount

of charge and movement of molecules is:

(a) Directly                  (b) Inversely

(c) Sometimes directly             (d) All of above

A

29.   

The width of plasma membrane is:

(a) 7nm                                    (b) 3nm

(c) 5nm                                    (d) Inm

A

30.   

All of the following is less or more present in

cytoplasm except:

(a) RNA                       (b) Enzyme

(c) Inorganic salts        (d) DNA

D

31.   

 Which of the following is the function of SER

(a) Detoxification

(b) Transmission of nerve impulse

(c) Lipid synthesis

(d) All are correct

D

32.   

The ribosomes are attached to mRNA via:

(a) Na                          (b) Mg

(c) K                            (d) None

C

33.   

All of the following are functions of Golgi

complex except:

(a) Synthesis of enzyme (b) Transport of vesicle

(C) Lipid metabolism   (d) Storing of molecules

C

34.   

Which of these molecule is accumulated in the

brain in Tay-Sach disease:

(a) Lipids                     (b) Protein

(c) Glycogen                (d) None of these

A

35.   

The size of micro bodies or peroxisomes is:

(a) 0.5p                        (b) 0.3pm

(c) 0.1m                       (d) All

A

36.   

All of the following are related to cell theory except

(a) living organisms are made of one or more cells

(b) New cell arise from pre-existing cell

(c) Tissue is the building blocks of complex cell

(d) Metabolic processes take place inside the cell

Dc

37.   

The resolving power of light microscope is:

(a) 1500nm                  (b) 250nm

(c) 500nm                    (d) 1000nm

B

38.   

The site of protein synthesis is:

(a) Golgi bodies           (b) Lysosome

(c) RER                        (d) SER

C

39.   

Which one is correct about chromoplasts:

(a) Present in petals of flower

(b) In fruits

(c) Colours other than green

(d) All of these

D

40.   

When ribosomal RNA is synthesized it is stored in:

(a) Chromosome          (c) Nuclear membrane

(b) Nucleolus               (d) None of these

C

41.   

Which one of the following organelle is involved in photo-respiration?

(a) Glyoxysome           (b) Lysosome

(c) Peroxisome             (d) All of these

D

42.   

Hydrogen peroxide is converted into oxygen and water by

(a) Glyoxysome           (b) Lysosome

(c) Peroxisome             (d) All of these

C

43.   

Cytoskeleton was discovered by in 1928.

(a) Cohen                     (b) Koltzoff

(c) Robert brown         (d) Palade

B

44.   

The centrioles are 0.3 to 0.5 m long and their diameter is about:

(a) 0.5 m                      (b) 0.2m

(c) 0.8m                       (d) 0. 6m

B

45.   

Which one of the following is non membranous cell organelles?

(a) Centriole                 (b) Ribosome

(c) Nucleus                  (d) Both a and b

D

46.   

Which one of the following is single membranous cell organelles?

(a) Lysosome               (b) Peroxisome

(c) Glyoxysome           (d) All of these

D

47.   

Undifferentiated cells such as egg have about pores per nucleus.

(a) 3-4                          b.30000

C) 50                           (d) 100

B

48.   

One granum consists of thylakoid piled.

(a) 100                                     (b) 50

(0) 150                                     (d) 200

B

49.   

The genetic material or hereditary material of bacteria consist of?

(a) Two circle and double stranded DNA molecules

(b) Single circular and double stranded DNA molecules

(c) Three circular and double stranded DNA molecules

(d) Four circular and double stranded DNA molecule

B

50.   

Outer membrane of nucleus is continuous with

a. SER                          b. RER

c. golgi bodies              d. ribosomes

B

Comments

  1. khansa21 July 2020 at 00:47

    Please check mcq no 32.i think correct answer is B.



    ReplyDelete
    Replies
    1. Buner25 July 2020 at 01:06

      you are right it is Mg +2

      Delete
    2. Unknown16 August 2020 at 11:35

      The subunit are attached by Mg

      Delete
    3. Unknown10 September 2021 at 07:37

      Bro Option B (Mg) is for the attachment of ribosome ( small) to ribosome (large)..

      Here will be Option C (potacium,K), cux K attached the ribosme and mRna 😊

      Delete
  2. Maddy10 August 2020 at 03:06

    Excuse me sir middle lamella is mainly composed of pectin in Q 3... 🤔
    If nt explain plz.

    ReplyDelete
  3. Unknown25 August 2020 at 09:29

    sir in Q.32 b option is correct

    ReplyDelete
    Replies
    1. waqas atta30 August 2020 at 00:19

      This comment has been removed by the author.

      Delete

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