Please refer to Chapter 5 The Fundamental Unit Of Life MCQ Class 9 Science with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 9 Science. Students should refer to MCQ Questions for Class 9 Science with Answers to score more marks in Grade 9 Science exams. Students should read the chapter The Fundamental Unit Of Life and then attempt the following objective questions.

MCQ Questions Class 9 Science Chapter 5 The Fundamental Unit Of Life

The The Fundamental Unit Of Life MCQ Class 9 Science provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.

Question. The cell organelle which is involved in the formation of lysosome is
a. endoplasmic reticulum
b. vacuole
c. Golgi body
d. mitochondria

Question. The fluid in the vacuole of plant cell is known as
a. tonoplast
b. cell sap
c. matrix
d. stroma

Question. Nucleus is absent in
a. Amoeba
b. Paramecium
c. blue green algae
d. Euglena.

Question. Which one of the following statement about osmosis is correct?
a. The movement of solvent molecule from a less concentrated solution to a more concentrated solution through a semipermeable membrane
b. The movement of solute molecule from a less concentrated solution to a more concentrated solution through a semipermeable membrane
c. The movement of solvent molecule from a more concentrated solution to a less concentrated solution through a semipermeable membrane
d. The movement of solute molecule from a more concentrated solution to a less concentrated solution through a semipermeable membrane

Question. Plasmolysis in plant cell is defined as
a. lysis of plasma membrane
b. shrinkage of protoplasm
c. shrinkage of nucleoplasm
d. none of these.

Question. Plasma membrane is composed of
a. DNA and protein
b. chitin and lipid
c. protein and lipid
d. protein and chitin.

Question. Cell wall in plant cell is composed of
a. chitin
b. cellulose
c. peptidoglycan
d. hemicelluloses.

Question. Which of the following is not a function of the vacuole in plants?
a. They store toxic metabolic wastes
b. They help in the process of cell division
c. They help to maintain turgidity
d. They provide rigidity and mechanical support

Question. Cell wall is present in
a. fungal cell
b. bacterial cell
c. animal cell
d. both (a) and (b).

Question. Carbon dioxide moves out of the cell by the process of
a. diffusion
b. osmosis
c. active transport
d. all of these.

Question. Viruses lack
a. nucleic acid
b. protein coat
c. membrane
d. all of these.

Question. Chromosomes are composed of
a. DNA
b. protein
c. RNA
d. both (a) and (b).

Question. Which of the following cell organelle is covered by single membrane?
a. Lysosome
b. Mitochondria
c. Chloroplast
d. Endoplasmic reticulum

Question. Cell wall is
a. impermeable
b. semipermeable
c. permeable
d. none of these.

Question. Plasmolysis occurs when
a. plant cell is kept in hypertonic solution
b. plant cell is kept in hypotonic solution
c. plant cell is kept in isotonic solution
d. animal cell is kept in pure water.

Question. Which of the following statements are not true regarding cell division?
i. During mitosis, number of chromosomes are reduced to half
ii. During meiosis, number of chromosomes are reduced to half
iii. During mitosis, number of chromosomes remain the same
iv. During meiosis, number of chromosomes remain the same
a. i. and iv.
b. ii. and iv.
c. i. and ii.
d. iii. and iv.

Question. The type of cell division which is involved in gamete formation is
a. Mitosis
b. Meiosis
c. Amitosis
d. Cytokinesis

Question. The only cell organelle seen in prokaryotic cell is
a. mitochondria
b. chloroplast
c. lysosome
d. ribosome.

Question. Choose the semiautonomous organelles out of the following
a. mitochondria
b. plastids
c. nucleus
d. both (a) and (b).

Question. Chlorophyll is present in part of chloroplast.
a. stroma
b. inner membrane
c. grana
d. outer membrane

Question. The cell organelle which helps in membrane biogenesis is
a. lysosome
b. centrosome
c. ribosome
d. endoplasmic reticulum.

Question. Which among the following is a unicellular organism?
a. Hydra
b. Planaria
c. Chlamydomonas
d. Earthworm

Question. Which cell will burst when placed in hypotonic solution?
a. Cheek cell
b. Bacterial cell
c. Yeast cell
d. Onion peel cell

Question. The cell organelle which stores starch, oil and protein are
a. smooth endoplasmic reticulum
b. rough endoplasmic reticulum
c. leucoplast
d. none of these.

Question. Digestive enzymes packed in lysosome are synthesized by
a. smooth endoplasmic reticulum
b. Golgi body
c. rough endoplasmic reticulum
d. lysosome.

Question. The cell organelle which helps in detoxification of drugs and poison is
a. Golgi body
b. lysosome
c. smooth Endoplasmic reticulum
d. vacuole.

Question. Choose the incorrect statement
a. All living organisms are composed of cells
b. All cells arise from preexisting cells
c. Cell is the basic structural and functional unit of all living organisms
d. Bacteria are an exception to cell theory

Question. The cell organelle involved in formation of complex sugars from simple sugars is
a. Golgi body
b. smooth endoplasmic reticulum
c. rough endoplasmic reticulum
d. lysosome.

Question. In which of the following organism, the cell wall is not made up of cellulose?
a. Bacteria
b. Fern
c. Pea plant
d. Pine

Question. Which of the following statements are not true about amoeba?
i. Food is engulfed by the process of endocytosis
ii. Excess of water is removed through food vacuole
iii. Food is digested in the food vacuole
iv. Food is digested with the help of enzymes in the lysosome
a. i. and ii.
b. ii. and iii.
c. ii. and iv.
d. Only ii.

We hope you liked the above The Fundamental Unit Of Life MCQ Class 9 Science. In case you have any questions please put them in the comments box below and our teachers will provide you a response.