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Question (21)

QN007609

The fluid-filled substance inside a vacuole is called:

(A) Cell sap
(B) Plasma
(C) Matrix
(D) Cytosol

Correct Answer: A

Explanation:

Vacuoles contain cell sap.

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Question (22)

QN007610

Which structure provides rigidity and shape to plant cells?

(A) Plasma membrane
(B) Cytoplasm
(C) Cell wall
(D) Nucleolus

Correct Answer: C

Explanation:

Cell wall provides rigidity and shape.

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Question (23)

QN007611

Which cell organelle contains its own DNA and ribosomes?

(A) Golgi apparatus only
(B) Mitochondria only
(C) Chloroplasts only
(D) Both mitochondria and chloroplasts

Correct Answer: D

Explanation:

Both mitochondria and chloroplasts contain their own DNA.

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Question (24)

QN007612

Which of the following is NOT a membrane-bound organelle?

(A) Ribosome
(B) Lysosome
(C) Vacuole
(D) Golgi apparatus

Correct Answer: A

Explanation:

Ribosomes are non-membrane-bound organelles.

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Question (25)

QN007613

In prokaryotic cells, the genetic material is present in:

(A) Nucleus
(B) Nucleolus
(C) Nucleoid
(D) Centrosome

Correct Answer: C

Explanation:

Prokaryotic cells have a nucleoid region.

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Question (26)

QN007614

Which statement correctly distinguishes prokaryotic cells from eukaryotic cells?

(A) Prokaryotic cells have membrane-bound organelles
(B) Eukaryotic cells lack a true nucleus
(C) Prokaryotic cells lack membrane-bound nucleus
(D) Eukaryotic cells are always unicellular

Correct Answer: C

Explanation:

Prokaryotes lack membrane-bound nucleus.

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Question (27)

QN007615

Which organelle is directly connected with the outer membrane of the nuclear envelope?

(A) Vacuole
(B) Endoplasmic reticulum
(C) Golgi apparatus
(D) Chloroplast

Correct Answer: B

Explanation:

ER is connected to the nuclear membrane.

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Question (28)

QN007616

The nucleolus is mainly associated with formation of:

(A) ATP
(B) Lysosomes
(C) Ribosomal subunits
(D) Vacuoles

Correct Answer: C

Explanation:

Nucleolus forms ribosomal subunits.

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Question (29)

QN007617

Which cell structure helps maintain cell shape and internal transport?

(A) Cytoskeleton
(B) Stroma
(C) Cristae
(D) Nucleoid

Correct Answer: A

Explanation:

Cytoskeleton provides support and transport.

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Question (30)

QN007618

Which organelle is called the “clean-up system” of the cell?

(A) Chloroplast
(B) Ribosome
(C) Lysosome
(D) Vacuole

Correct Answer: C

Explanation:

Lysosomes digest damaged organelles and wastes.

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Question (21)

The fluid-filled substance inside a vacuole is called:

Explanation:

Link:

Question (22)

Which structure provides rigidity and shape to plant cells?

Explanation:

Link:

Question (23)

Which cell organelle contains its own DNA and ribosomes?

Explanation:

Link:

Question (24)

Which of the following is NOT a membrane-bound organelle?

Explanation:

Link:

Question (25)

In prokaryotic cells, the genetic material is present in:

Explanation:

Link:

Question (26)

Which statement correctly distinguishes prokaryotic cells from eukaryotic cells?

Explanation:

Link:

Question (27)

Which organelle is directly connected with the outer membrane of the nuclear envelope?

Explanation:

Link:

Question (28)

The nucleolus is mainly associated with formation of:

Explanation:

Link:

Question (29)

Which cell structure helps maintain cell shape and internal transport?

Explanation:

Link:

Question (30)

Which organelle is called the “clean-up system” of the cell?

Explanation:

Link:

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