MCQs Questions on cell structure and function class 8
MCQs Questions For Class 8 science Chapter 8 : Cell Structure And Function pdf
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Here below we listed of the best NCERT MCQs for Class 8 science chapter 8 Cell structure and function with answers pdf Exam preparation. Gear up for Board Exam Preparation with top and good Multiple Choice Questions that are also recommended by toppers, making it easier for you to score more in Exam
Multiple Choice Questions On Cell Structure And Function For Class 8
1. Cell Membrane is composed of_____________
a) Proteins and cellulose
b) Proteins and Phospholipid
c) Proteins and carbohydrates
d) Proteins, Phospholipid and some
carbohydrates
Answer: D
2. Cell Wall is present in_____________
a) Plant cell
b) Prokaryotic cell
c) Algal cell
d) All of the above
Answer: D
3. Plasma membrane is_______________
a) Selectively permeable
b) Permeable
c) Impermeable
d) Semipermeable
Answer: A
4. Mitochondria DNA is______________
a) Naked
b) Circular
c) Double stranded
d) All of the above
Answer: D
5. Which of the following set of organelles contain DNA_______________
a) Mitochondria, Peroxysome
b) Plasma membrane, ribosome
c) Mitochondria, chloroplast
d) Chloroplast, dictyosome
Answer: C
6. Golgi body is absent in______________
a) Prokaryotes
b) Mature mammalian RBC
c) Alkaryotes
d) All of the above
Answer: D
7. Who discovered cell in 1665?
a) Robert Hook
b) Robert Crook
c) David Thomson
d) Marie Francois
Answer: A
8. Name the outermost boundary of the cell?
a) Plasma membrane
b) Cytoplasm
c) Nuclear membrane
d) None of the above
Answer: A
9. _____________ is involved in the synthesis of phospholipids.
a) Mitochondria
b) Cytoplasm
c) Endoplasmic Reticulum
d) Smooth Endoplasmic Reticulum
Answer: D
10. Which among the following sentence is not correct about the organelles?
a) They are found in all Eukaryotic cells.
b) They are found in multicellular organisms.
c) They coordinate to produce the cell.
d) They are small sized and mostly internal.
Answer: A
11. Which of the following cell organelles is called the powerhouse of the cell?
a) Nucleus
b) Lysosomes
c) Chloroplast
d) Mitochondria
Answer: D
12. The jelly-like substance present inside the cell is known as________
a) Cytoplasm
b) Ectoplasm
c) Nucleoplasm
d) None of the above
Answer: A
13. Which of the following statements is true about the Nucleus?
a) It is absent in prokaryotes
b) It is called the brain of the cell
c) It contains DNA and other genetic materials.
d) All of the above
Answer: D
14. The membrane around the vacuole is known as__________
a) Tonoplast
b) Elaioplast
c) Cytoplast
d) Amyloplast
Answer: A
15._____________is the study of the cell, its types, structure, functions and its organelles.
a) Cell Biology
b) Biology
c) Microbiology
d) Biotechnology
Answer: A
16. Microfilaments are composed of a protein called____________
a) Tubulin
b) Actin
c) Myosin
d) Chitin
Answer: B
17. Which one of the following is not a constituent of cell membrane?
a) Glycolipids
b) Phospholipids
C) Proline
d) Cholesterol
Answer: B
18. The main organelle involved in modification andcrouting of newly synthesised proteins to their destination is_________
a) Mitochondria
b) Endoplasmic reticulum
c) Lysosome
d) Chloroplast
Answer: B
19. Microtubules are constituents of_________
a) Centrosome, nucleosome and centrioles
b) Cilia, flagella and peroxisomes
c) Spindle fibres, centrioles and cilia
d) Centrioles, spindle fibres and chromatin
Answer: C
20. A cell organelle containing hydrolytic enzynme________
a) Lysosome
b) Ribosome
c) Mesosome
d) Microsome
Answer: A
21. The main arena of various types of activities of a cells is__________
a) Plasma membrane
b) Nucleus
c) Cytoplasm
d) Mitochondrion
Answer: C
22. Select the mismatch:
a) Gas vacuoles – Green bacteria
b) Large central vacuoles – Animal cells
c) Protists – Eukaryotes
d) Methanogens – Prokaryotes
Answer: B
23. Water soluble pigments found in plant cell_________
a) Anthocyanins
b) Chlorophylls
c) Xanthophylls
d) Carotenoids
Answer: A
24. Mitochondria and chloropast are________
a) Semi-autonomous organelles
b) Formed by division of pre-existing orgnelles and they contain DNA but lack protein synthesizing machinery
Which one of the following options is correct?
a) Both (a) and (b) are false
b) Both (a) and (b) are correct
c) (b) is true but (a) is false
d) (a) is true but (b) is false
Answer: D
25. The Golgi complexj participates in_________
a) Respiration in bacteria
b) Formation of secretory vesicles
c) Fatty acid breakdown
d) Activation of amino acid
Answer : B
26. Which of this is/are examples of an organ containing a smooth muscle?
a) Iris of eye
b) Bronchi only
c) Uterus only
d) All of the above
Answer: D
27. The main difference between human cheek cells and onion peel cells is_______
a) Presence of cell wall in onion peel cells
b) Presence of mitochondria in onion peel cells
c) Absence of endoplasmic reticulum in cheek cells
d) Absence of the plasma membrane in cheek cells
Answer: A
28. Animal cells are interconnected by____________
a) Plasma membrane
b) Cell wall
c) Desmosomes
d) Plasmodesmata
Answer: C
29. . The Cell theory is not applicable to______________
a) Fungi
b) Algae
c) Virus
d) Microbes
Answer: C
30. The rRNA is Synthesized by _________
a) Golgi body
b) Nucleus
c) Nucleolus
d) Cytoplasm
Answer: C
31. The Histone Octamer Contains _______?
a) 5 types of histones
b) 6 types of histones
c) 8 types of histones
d) 8 histones of four different types
Answer: D
32. Identify the Longest Cell in the Human Body From the List Given Below
a) Nerve cells
b) Gland cells
c) Bone cells
d) Muscle cells
Answer: A
33. On the Below-Given List, which One Includes the Blood Tissue?
a) Muscle tissue
b) Connective tissue
c) Epithelial tissue
d) Nervous tissue
Answer: B