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Class 11 Biology Chapter 8 Cell The Unit Of Life Quiz 8 (25 MCQs)

Quiz Instructions

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1. Which of the following is the major die for lipid synthesis:
2. Bacteria lack fimbriae are less likely to?
3. Which of the following is related to glycosylation of proteins
4. Aleuroplast, amyloplast and elaioplasts
5. The basic unit of life in all living organisms is
6. The osmosis in potato-osmometer is possible due the presence of
7. Cell membranes in animal cell comprise of:
8. Apart from ribosomes, animal cells contain another non-membrane bound organelle called ..... which helps in cell division.
9. The chromosome in which centromere lies slightly away from the middle of the chromosome resulting into one shorter arm and one longer arm, is called as
10. Glycocalyx (mucilage sheath) of a bacterial cell may occur in the form of a loose sheath called ..... or it may be thick and tough called .....
11. Which organelle is present only in plants .....
12. Identify the organelle-a) cartwheel like arrangementb) 9+2 arrangementc) stores proteinsd) osmoregulation
13. Site of actin and tubulin synthesis is
14. A. Prokaryotic cells lack a true nucleus.B. Eukaryotic cells contain membrane-bound organelles.C. Prokaryotic DNA is circular and naked.D. Eukaryotic DNA is linear and associated with histone proteins.Chose the correct answer
15. ..... is frequently observed in the cells actively involved in protein synthesis and secretion.
16. Carbohydrate chains of plasma membrane are present on:
17. A pile of thylakoids in the stroma is referred to as
18. Endoplasmic reticulum is involved in all of the following except:
19. The small size of the cell allows a larger ..... ratio.
20. The endoplasmic reticulum bearing ribosomes on their surface is called .....
21. Histone proteins found in nuclei of eukaryotes are .....
22. In some prokaryotes like cyanobacteria, there are other membranous extensions into the cytoplasm called ..... which contain pigments.
23. ASSERTION-Some cells like amoeba have changing shapes.REASON-Prokaryotic cells born with some specific character like change of shape.a) Both Assertion and Reason are correct, and reason is the correct explanation for assertion.b) Both Assertion and Reason are correct, and Reason is not the correct explanation for Assertion.c) Assertion is true but Reason is false.d) Both Assertion and Reason are false.
24. Extrachromosomal DNA
25. Glyoxysomes are found in:
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