Cell- the structural and functional unit of life assertion reason questions for Class 10 ICSE
1.) Assertion (A): The cell cycle is a series of events that lead to cell division. Reason
(R): It consists of interphase, mitosis, and cytokinesis.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
2.) Assertion (A): The centrioles are involved in organizing the spindle fibers during cell division. Reason
(R): They are found in both animal and plant cells.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
3.) Assertion (A): The cell cycle is tightly regulated to prevent uncontrolled cell division.
Reason (R): Checkpoints in the cell cycle monitor for errors in DNA replication and other processes.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
4.) Assertion (A): The anaphase of mitosis is characterized by the separation of sister chromatids. Reason
(R): Anaphase ensures that each daughter cell receives an identical set of chromosomes.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
5.) Assertion (A): Cytokinesis is the final step in cell division.
Reason (R): It involves the division of the cell’s cytoplasm to create two daughter cells.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
6.) Assertion (A): Osmosis is the movement of water molecules from an area of higher solute concentration to an area of lower solute concentration.
Reason (R): It occurs through a selectively permeable membrane.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
7.) Assertion (A): Active transport requires energy input to move molecules against their concentration gradient.
Reason (R): It is facilitated by transport proteins in the cell membrane.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
8.) Assertion (A): Plasmids are small, circular DNA molecules found in prokaryotic cells.
Reason (R): They can carry additional genetic information and are often used in genetic engineering.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
9.) Assertion (A): Crossing over during meiosis is essential for genetic diversity. Reason
(R): Crossing over occurs when homologous chromosomes exchange genetic material.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
10.) Assertion (A): The nucleus is the control center of the cell.
Reason (R): It contains genetic material in the form of DNA.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
11.) Assertion (A): Lysosomes are membrane-bound organelles containing digestive enzymes.
Reason (R): They help break down waste materials and cellular debris.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
12.) Assertion (A): The mitochondria are often called the “powerhouses” of the cell.
Reason (R): They are responsible for producing ATP, the cell’s energy currency.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
13.) Assertion (A): The Golgi apparatus is responsible for modifying, sorting, and packaging cellular products.
Reason (R): It consists of a series of flattened, membrane-bound sacs.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
14.) Assertion (A): The cell wall is a feature of plant cells but not animal cells.
Reason (R): It provides rigidity and protection to plant cells.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
15.) Assertion (A): Ribosomes are involved in protein synthesis.
Reason (R): They read the genetic code from mRNA and assemble amino acids into proteins.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
16.) Assertion (A): The cell membrane is selectively permeable.
Reason (R): It regulates the passage of molecules in and out of the cell.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
17.) Assertion (A): The endoplasmic reticulum is involved in the synthesis and transport of proteins and lipids.
Reason (R): The rough endoplasmic reticulum has ribosomes attached to its surface.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
18.) Assertion (A): Active transport requires energy input to move molecules against their concentration gradient.
Reason (R): It is facilitated by transport proteins in the cell membrane.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
19.) Assertion (A): Osmosis is the movement of water molecules from an area of higher solute concentration to an area of lower solute concentration.
Reason (R): It occurs through a selectively permeable membrane.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
20.) Assertion (A): The cell cycle is a series of events that lead to cell division.
Reason (R): It consists of interphase, mitosis, and cytokinesis.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
21.) Assertion (A): The centrioles are involved in organizing the spindle fibers during cell division.
Reason (R): They are found in both animal and plant cells.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
22.) Assertion (A): The cell cycle is tightly regulated to prevent uncontrolled cell division.
Reason (R): Checkpoints in the cell cycle monitor for errors in DNA replication and other processes.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
23.) Assertion (A): The anaphase of mitosis is characterized by the separation of sister chromatids.
Reason (R): Anaphase ensures that each daughter cell receives an identical set of chromosomes.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
24.) Assertion (A): Cytokinesis is the final step in cell division.
Reason (R): It involves the division of the cell’s cytoplasm to create two daughter cells.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
25.) Assertion (A): Osmosis is the movement of water molecules from an area of higher solute concentration to an area of lower solute concentration.
Reason (R): It occurs through a selectively permeable membrane.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
26.) Assertion (A): Active transport requires energy input to move molecules against their concentration gradient.
Reason (R): It is facilitated by transport proteins in the cell membrane.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
27.) Assertion (A): Plasmids are small, circular DNA molecules found in prokaryotic cells.
Reason (R): They can carry additional genetic information and are often used in genetic engineering.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
28.) Assertion (A): Crossing over during meiosis is essential for genetic diversity.
Reason (R): Crossing over occurs when homologous chromosomes exchange genetic material.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
29.) Assertion (A): The nucleus is the control center of the cell.
Reason (R): It contains genetic material in the form of DNA.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
- Assertion (A): Lysosomes are membrane-bound organelles containing digestive enzymes.
Reason (R): They help break down waste materials and cellular debris.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
31.) Assertion (A): The mitochondria are often called the “powerhouses” of the cell.
Reason (R): They are responsible for producing ATP, the cell’s energy currency.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
32.) Assertion (A): The Golgi apparatus is responsible for modifying, sorting, and packaging cellular products.
Reason (R): It consists of a series of flattened, membrane-bound sacs.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
33.) Assertion (A): The cell wall is a feature of plant cells but not animal cells.
Reason (R): It provides rigidity and protection to plant cells.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True.
34.) Assertion (A): Ribosomes are involved in protein synthesis.
Reason (R): They read the genetic code from mRNA and assemble amino acids into proteins.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
35.) Assertion (A): The cell membrane is selectively permeable.
Reason (R): It regulates the passage of molecules in and out of the cell.
(a) Both A and R are True
(b) Both A and R are False
(c) A is True and R is False
(d) A is False and R is True
Also See: ICSE Class 10 Biology MCQ Questions