Class 9 Exam > Class 9 Notes > MCQ with Solution : The Fundamental Unit of Life
MCQ with Solution : The Fundamental Unit of Life - Class 9 PDF Download
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: Lysosome 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
Q.21: Animal cell lacking nuclei would also lack in -
(a) Chromosome
(b) Ribosome
(c) Lysosome
(d) Endoplasmic Reticulum
Q.22: Plasmolysis occurs due to -
(a)Absorption
(b ) Endosmosis
(c)Osmosis
(d)Exosmosis
Q.23: A plant cell becomes turgid due to -
(a)Plasmolysis
(b) Exosmosis
(c) Endosmosis
(d) Electrolysis
Q.24: Solute concentration is higher in the external solution -
(a)Hypotonic
(b) Isotonic
(c) Hypertonic
(d) None of the above
Q.25: A cell placed in hypertonic solution will -
(a)Shrink
(b) Show Plasmolysis
(c) Swell up
(d) No change in shape or size
Q.26: The radiant energy of sunlight is converted to chemical energy and is stored as -
(a)AMP
(b) ADP
(c)ATP
(d)APP
Q.27: Which of the following organelle does not have membrane?
(a)Ribosome
(b) Nucleus
(c) Chloroplast
(d)Mitochondria
Q.28: Root hair absorbs water from soil through -
(a)Osmosis
(b) Active transport
(c) Diffusion
(d)Endocytosis
Q.29: The number of lenses in compound light microscope is -
(a)2
(b)3
(c)4
(d)1
Q.30: The history of the cell began in 1665 with the publication of Micrographia in London by -
(a)Robert Hooke
(b) Robert Brown
(c) Strasburger
(d)Dujardin
Q.31: Cell inclusions are -
(a)Non-living materials present in the cytoplasm
(b) Another name of cell organelle
(c) Cytoskeletal framework of cell
(d) Combined name for cell wall and plasma membrane
Q.32: Which cell organelle is not bounded by a membrane -
(a)Ribosome
(b) Lysosome
(c)ER
(d)Nucleus
Q.33: Which of the following cellular part possess a double membrane?
(a)Nucleus
(b) Chloroplast
(c)Mitochondrion
(d)All of the above
Q.34: Cristae and Oxysomes are associated with -
(a)Mitochondria
(b) Plastids
(c)Golgi apparatus
(d)Plasma membrane
Q.35: Karyotheca is another name of -
(a)Nuclear envelope
(b) Nucleus
(c)Nuclear pores
(d)Nucleolus
Q.36: Cell organelle that acts as supporting skeletal framework of the cell is -
(a) Golgi apparatus
(b) Nucleus
(c) Mitochondria
(d) ER
Q.37: Plastids are present in -
(a)Animal cell only
(b) Plant cells only
(c)Both animal cells and Plant cells
(d)Neither animal nor plant cell
Q.38: Cell wall of plant is chiefly composed of -
(a)Hemicellulose
(b) Cellulose
(c)Phospholipids
(d)Proteins
Q.39: Intercellular connections of plant cells are called -
(a)Middle lamella
(b)Micro fibrils
(c)Matrix
(d)Plasmodesmata
Q.40: Genes are located on the -
(a)Chromosomes
(b)Nucleolus
(c)Nuclear membrane
(d)Plasma membrane
Q.41: Chromatin consists of -
(a)RNA
(b) DNA
(c)RNA and histones (proteins)
(d)DNA and histones (proteins)
Q.42: Different types of chromosomes can be recognized by the positions of the following separating the two arms -
(a)Centromere
(b) Genes
(c) Spindle
(d)Nucleus
Q.43: Name of the process that requires energy provided by ATP -
(a)Diffusion
(b) Osmosis
(c) Active transport
(d)Plasmolysis
Key:
1. A
2. D
3. B
4. A
5. D
6. A
7. B
8. C
9. B
10. C
11. D
12. C
13. B
14. A
15. C
16. D
17. A
18. C
19. C
20. A
21. A
22. D
23. C
24. C
25. C
26. C
27. A
28. A
29. A
30. A
31. A
32. A
33. D
34. A
35. A
36. D
37. B
38. B
39. D
40. A
41. D
42. A
43. C
FAQs on MCQ with Solution : The Fundamental Unit of Life - Class 9
| 1. What is the fundamental unit of life? |  |
Ans. The fundamental unit of life is the cell. It is the smallest structural and functional unit of an organism.
| 2. What are the types of cells? | |
Ans. There are two types of cells - prokaryotic and eukaryotic cells. Prokaryotic cells are primitive and do not have a nucleus, while eukaryotic cells are advanced and contain a nucleus.
| 3. What is the function of the cell membrane? | |
Ans. The cell membrane regulates the movement of substances in and out of the cell. It also provides shape and protection to the cell.
| 4. 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. Plant cells also have a regular shape while animal cells have an irregular shape.
| 5. What are the organelles present in a cell? | |
Ans. A cell has various organelles such as the nucleus, mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, lysosomes, and peroxisomes. Each organelle performs a specific function required for the survival of the cell.
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