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Class 8 Science HOTS Questions - Cell - Structure and Functions (Old Syllabus)

Topic: The Cell & Fundamental Unit of life MCQ

Q.1: The largest cell in the human body is -

(a) Nerve cell          

(b) Muscle cell  

(c) Liver cell   

(d) Kidney cell

Q.2: The barrier between the protoplasm and the other environment in an animal cells -

(a) Cell wall   

(b) Nuclear membrane  

(c) Tonoplast    

(d) Plasma membrane

Q.3: The term ‘Cell’ was given by -

(a) Leeuwenhoek       

(b) Robert hooke        

(c) Flemming        

(d) Robert Brown

Q.4: Who proposed the cell theory? 

(a) Schleiden and Schwann    

(b) Watson and Crick 

(c) Darwin and Wallace

(d) Mendel and Morgan

Q.5: A plant cell differs from an animal cell in the absence of -

(a) Endoplasmic Reticulum  

(b) Mitochondria 

(c) Ribosome 

(d) Centrioles

Q.6: Centrosome is found in -

(a) Cytoplasm        

(b) Nucleus   

(c) Chromosomes   

(d) Nucleolus

Q.7: The power house of a cell is -

(a) Chloroplast 

(b) Mitochondrion  

(c) Golgi apparatus  

d) Nucleolus

Q.8: Within a cell the site of respiration (oxidation) is the -

(a) Ribosome        

(b) Golgi apparatus   

(c) Mitochondrion  

(d) Endoplasmic Reticulum

Q.9: Which is called ‘Suicidal Bag’?

(a) Centrosome         

(b) Lysosome            

(c) Mesosome          

(d) Chromosome

Q.10: Ribosomes are the center for -

(a) Respiration        

(b) Photosynthesis      

(c) Protein synthesis  

(d) Fat synthesis

Q.11: Double membrane is absent in -

(a) Mitochondrion      

(b) Chloroplast   

(c) Nucleus    

(d) Lysosome

Q.12: Cell organelle found only in Plant is -

(a) Golgi apparatus    

(b) Mitochondria   

 (c) Plastids   

(d) Ribosomes

Q.13: Organisms lacking nucleus and membrane bound organelle are -

(a) Diploids     

(b) Prokaryotes         

(c) Haploids        

(d) Eukaryotes

Q.14: Animal cell is limited by -

(a) Plasma membrane   

(b) Shell membrane 

(c) Cell wall

(d) Basement membrane

Q.15: The network of Endoplasmic Reticulum is present in the -

(a) Nucleus     

(b) Nucleolus   

(c) Cytoplasm 

(d) Chromosomes

Q.16: Lysosomes are reservoirs of -

(a) Fat     

 (b) RNA      

(c) Secretary Glycoprotein       

(d) Hydrolytic Enzymes

Q.17: The membrane surrounding the vacuole of a plant cell is called -

(a) Tonoplast   

(b) Plasma membrane 

(c) Nuclear membrane

(d) Cell wall

Q.18: Cell secretion is done by -

(a) Plastids 

(b) ER 

(c) Golgi apparatus

(d) Nucleolus

Q.19: Centrioles are associated with -

(a) DNA synthesis      

(b) Reproduction   

(c) Spindle formation 

(d) Respiration

Q.20: Main difference between animal cell and plant cell is -

(a) Chromosome      

(b) Ribosome         

(c) Lysosome      

(d) Endoplasmic Reticulum

The document Class 8 Science HOTS Questions - Cell - Structure and Functions (Old Syllabus) is a part of the Grade 6 Course Science for Grade 6.
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FAQs on Class 8 Science HOTS Questions - Cell - Structure and Functions (Old Syllabus)

1. What is the function of the mitochondria in a cell?
Ans. Mitochondria are known as the powerhouse of the cell because they are responsible for producing energy in the form of ATP through cellular respiration.
2. What is the difference between plant and animal cells?
Ans. Plant cells have a cell wall, chloroplasts, and a large central vacuole, while animal cells do not have a cell wall, chloroplasts, or a large central vacuole.
3. What is the function of the ribosomes in a cell?
Ans. Ribosomes are responsible for synthesizing proteins in a cell. They do this by reading the genetic code in mRNA and assembling amino acids into a polypeptide chain.
4. What is the function of the Golgi apparatus in a cell?
Ans. The Golgi apparatus is responsible for modifying, sorting, and packaging proteins and lipids for transport to their final destination within the cell or outside of the cell.
5. What is the function of the lysosomes in a cell?
Ans. Lysosomes are responsible for breaking down and recycling cellular waste and foreign substances, as well as playing a role in programmed cell death (apoptosis).
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