NEET Biology Cell Biology MCQs Set 05

Biology Objective Questions and Answers: Cell Biology

Explore reliable objective questions for Cell Biology tailored for NEET learners. Utilizing these Biology multiple-choice formats ensures thorough preparation and strengthens problem-solving speed for upcoming school assessments.

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Navigate directly to the 50 objective questions for Cell Biology using the digital viewer below. Each practice set includes verified answer keys, allowing students to instantly cross-check their work and identify areas requiring further revision.

Multiple Choice Questions

Question 1: Basal body is :-
(a) Centriole
(b) Plastid
(c) Cilia
(d) Mitochondria
Show Answer & Explanation

Answer: (a) Centriole

Explanation:
1. The basal body of cilia and flagella has the structure of a centriole.

Teacher's Note:
1. Both have the 9+0 pattern.

Question 2: Ingestion of solid food by plasma membranes is called -
(a) Endosmosis
(b) Pinocytosis
(c) Cytokinesis
(d) Phagocytosis
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Answer: (d) Phagocytosis

Explanation:
1. Phagocytosis is the ingestion of solid particles by the cell membrane.

Teacher's Note:
1. Pinocytosis is fluid ingestion.

Question 3: Ingestion of large molecules by animal cell is called -
(a) Diffusion
(b) Osmosis
(c) Exocytosis
(d) Endocytosis
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Answer: (d) Endocytosis

Explanation:
1. Endocytosis is the uptake of large molecules or particles by infolding of the membrane.

Teacher's Note:
1. Exocytosis releases material.

Question 4: Which one of the following has its own DNA ?
(a) Peroxisome
(b) Mitochondria
(c) Dictyosome
(d) Lysosome
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Answer: (b) Mitochondria

Explanation:
1. Mitochondria have their own DNA.

Teacher's Note:
1. Peroxisomes, Golgi (dictyosome) and lysosomes do not.

Question 5:
Assertion (A): Vacuoles are osmoregulatory components of cell.
Reason (R): Ions and other materials are stored in vacuole.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Show Answer & Explanation

Answer: (a) Both A and R are true, and R is the correct explanation of A.

Explanation:
1. Vacuoles regulate osmosis because they store ions and other materials.

Teacher's Note:
1. The tonoplast controls their movement.

Question 6: Ribosomal RNA is actively synthesized in :-
(a) Nucleoplasm
(b) Ribosomes
(c) Lysosomes
(d) Nucleolus
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Answer: (d) Nucleolus

Explanation:
1. rRNA is made in the nucleolus.

Teacher's Note:
1. Ribosomal subunits form there.

Question 7: Ground substance present inside the mitochondria is called :-
(a) Stroma
(b) Matrix
(c) Cell sap
(d) Cytoplasm
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Answer: (b) Matrix

Explanation:
1. The ground substance inside mitochondria is the matrix.

Teacher's Note:
1. Stroma is the ground substance of chloroplasts.

Question 8: The fluid nature of the membrane indicates function of :-
(a) Cell growth
(b) Cell division
(c) Endocytosis
(d) All the above
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Answer: (d) All the above

Explanation:
1. Fluidity of the membrane is needed for growth, division, endocytosis and secretion.

Teacher's Note:
1. It allows membrane remodelling.

Question 9: A student coming out cell fractionation of a tissue and forgot to label his tubes. The contents of one tube when studied showed organelles bounded by membrane with activity of catalase enzyme. These organelles could be :-
(a) SER
(b) Chloroplast
(c) Lysosome
(d) Peroxisome
Show Answer & Explanation

Answer: (d) Peroxisome

Explanation:
1. Single-membrane bound organelles with catalase are peroxisomes.

Teacher's Note:
1. Catalase breaks down hydrogen peroxide.

Question 10: In which tubulin protein is not present :–
(a) Plasma membrane
(b) Cilia
(c) Flagella
(d) Microtubules
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Answer: (a) Plasma membrane

Explanation:
1. Tubulin occurs in microtubules, cilia and flagella, but not in the plasma membrane.

Teacher's Note:
1. It is the monomer of microtubules.

Question 11: Three morphological forms of golgi complex are :-
(a) Lamellae, tubules and vesicles
(b) Cisternae, tubules and vesicles
(c) Cisternae, tubules and lamellae
(d) Granum, thalykoids and vesicles
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Answer: (b) Cisternae, tubules and vesicles

Explanation:
1. The Golgi complex has flat cisternae, tubules and vesicles.

Teacher's Note:
1. Cisternae are stacked.

Question 12: Algae have cell wall made up of:
(a) Cellulose, hemicellulose and pectins
(b) Cellulose, galactans and mannans
(c) Hemicellulose, pectins and proteins
(d) Pectins, cellulose and proteins
Show Answer & Explanation

Answer: (b) Cellulose, galactans and mannans

Explanation:
1. Algae walls contain cellulose, galactans and mannans.

Teacher's Note:
1. Plants have cellulose, hemicellulose and pectin.

Question 13: Cilia are differ from flagella :- (A) in having small size (B) in having non coordinated movement (C) in taking part in attachment, feeding and sensation (D) in number of microtubules (E) in working like oars Choose the correct option :-
(a) A, C and E
(b) A, C, D and E
(c) A, B, C, D and E
(d) B and D
Show Answer & Explanation

Answer: (a) A, C and E

Explanation:
1. Cilia are shorter, take part in attachment, feeding and sensation, and move like oars; flagella are longer.

Teacher's Note:
1. Both have the same number of microtubules and coordinated beating.

Question 14: Which cell organelles takes part in the formation of lysosomes :-
(a) Endoplasmic reticulum
(b) Golgi bodies
(c) Both 1and 2
(d) Mitochondria
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Answer: (c) Both 1and 2

Explanation:
1. Lysosomal enzymes are made by the ER and are packed by the Golgi, so both take part.

Teacher's Note:
1. Lysosomes bud off the Golgi.

Question 15: DNA is not found in :–
(a) Nucleus
(b) Mitochondria
(c) Chloroplast
(d) Ribosome
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Answer: (d) Ribosome

Explanation:
1. Ribosomes are made of RNA and protein and contain no DNA.

Teacher's Note:
1. The nucleus, mitochondria and chloroplasts have DNA.

Question 16: The main arena of various types of activities of a cell is:
(a) Nucleus
(b) Plasma membrane
(c) Mitochondrian
(d) Cytoplasm
Show Answer & Explanation

Answer: (d) Cytoplasm

Explanation:
1. Cytoplasm is the main arena of cellular activities.

Teacher's Note:
1. Many reactions occur here.

Question 17:
Assertion (A): All eukaryotic cells are not identical.
Reason (R): Centrioles are found in animal cells, absent in almost all plant cell.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Show Answer & Explanation

Answer: (a) Both A and R are true, and R is the correct explanation of A.

Explanation:
1. Eukaryotic cells differ; for example, centrioles are present in animal cells and absent in almost all plant cells.

Teacher's Note:
1. The reason gives an example.

Question 18: (a) granular structure (b) first observed under the electron microscope as dense particles by George Palade (c) composed of RNA and proteins (d) not surrounded by any membrane Above given statements are true for which cell organelle?
(a) Nucleolus
(b) Ribosomes
(c) Cristae
(d) Chloroplast
Show Answer & Explanation

Answer: (b) Ribosomes

Explanation:
1. Ribosomes are granular, were seen by Palade, are made of RNA and protein and have no membrane.

Teacher's Note:
1. They are the sites of protein synthesis.

Question 19:
Assertion (A): Macromolecules are able to move between nucleus and the cytoplasm.
Reason (R): At few places both nuclear membranes get fused and form pores.
(a) Both A and R are true, and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true, but R is false.
(d) A is false, but R is true.
Show Answer & Explanation

Answer: (a) Both A and R are true, and R is the correct explanation of A.

Explanation:
1. Macromolecules move between nucleus and cytoplasm through nuclear pores, which form where the two membranes fuse.

Teacher's Note:
1. The pores form the nuclear pore complex.

Question 20: Semiautonomous cell organelle is :–
(a) Mitochondria
(b) Ribosome
(c) Plasma membrane
(d) Peroxysome
Show Answer & Explanation

Answer: (a) Mitochondria

Explanation:
1. Mitochondria have their own DNA and ribosomes but depend partly on nuclear genes, so they are semiautonomous.

Teacher's Note:
1. Chloroplasts are also semiautonomous.

Question 21: GERL concerned with the biogenesis of :–
(a) Golgibody
(b) E.R.
(c) Mitochondria
(d) Lysosomes
Show Answer & Explanation

Answer: (d) Lysosomes

Explanation:
1. GERL (Golgi-endoplasmic reticulum-lysosome) is concerned with the origin of lysosomes.

Teacher's Note:
1. Lysosomes bud from the Golgi.

Question 22: Carbohydrates which present in the cell membrane take part in :–
(a) Transport of substance
(b) Cell recognition
(c) Attachment to microfilament
(d) Attachment to microtubules
Show Answer & Explanation

Answer: (b) Cell recognition

Explanation:
1. Membrane carbohydrates act as markers in cell recognition.

Teacher's Note:
1. They form the glycocalyx.

Question 23: Rough E.R. mainly responsible for:-
(a) Protein synthesis
(b) Cell wall formation
(c) Lipid synthesis
(d) Cholesterol synthesis
Show Answer & Explanation

Answer: (a) Protein synthesis

Explanation:
1. The RER has ribosomes and so makes proteins.

Teacher's Note:
1. SER makes lipids.

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Cell Biology Objective Questions & Solutions for NEET Biology

Download Multiple Choice Questions: Cell Biology (NEET Biology)

Test your conceptual understanding of Cell Biology with these targeted multiple-choice questions. Designed in alignment with the latest NEET curriculum for NEET Biology, these problem sets build accuracy and prepare students for objective exams.

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FAQs

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