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Question (21)

QN007759

Which sequence correctly represents biological organization?

(A) Tissue → Cell → Organ → Organism
(B) Cell → Tissue → Organ → Organ system
(C) Organ → Tissue → Cell → Organism
(D) Cell → Organ → Tissue → Organism

Correct Answer: B

Explanation:

Biological organization progresses from cell to organ system.

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Question (22)

QN007760

Which of the following organisms is multicellular?

(A) Amoeba
(B) Bacteria
(C) Paramecium
(D) Human being

Correct Answer: D

Explanation:

Human beings are multicellular organisms.

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Question (23)

QN007761

According to cell theory, new cells are formed by:

(A) Crystallization
(B) Spontaneous generation
(C) Cell division
(D) Photosynthesis

Correct Answer: C

Explanation:

New cells arise through cell division.

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Question (24)

QN007762

Which scientist’s work strongly supported the development of cell theory?

(A) Newton
(B) Darwin
(C) Leeuwenhoek
(D) Dalton

Correct Answer: C

Explanation:

Leeuwenhoek’s observations supported cell theory.

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Question (25)

QN007763

If one unicellular organism divides into two every hour, how many cells will be formed after 4 hours?

(A) 4
(B) 8
(C) 16
(D) 32

Correct Answer: C

Explanation:

1 → 2 → 4 → 8 → 16 after four divisions.

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Question (26)

QN007764

The smallest unit capable of performing all life processes is the:

(A) Organ
(B) Tissue
(C) Cell
(D) Organ system

Correct Answer: C

Explanation:

Cell is the smallest functional unit of life.

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Question (27)

QN007765

Which of the following supports the idea that cells are functional units?

(A) Respiration occurs inside cells
(B) Cells have different shapes
(C) Tissues form organs
(D) Organisms are multicellular

Correct Answer: A

Explanation:

Life processes occur within cells.

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Question (28)

QN007766

Which scientist improved microscope observations using handmade lenses?

(A) Virchow
(B) Hooke
(C) Leeuwenhoek
(D) Schleiden

Correct Answer: C

Explanation:

Leeuwenhoek used handmade lenses for better observation.

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Question (29)

QN007767

Which structure level comes immediately after organ system?

(A) Tissue
(B) Organism
(C) Cell
(D) Organ

Correct Answer: B

Explanation:

Organ systems together form an organism.

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Question (30)

QN007768

If a tissue contains 500 cells and each cell divides once, how many cells will be present after division?

(A) 250
(B) 500
(C) 1000
(D) 1500

Correct Answer: C

Explanation:

Each cell divides into two, producing 1000 cells.

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Question (21)

Which sequence correctly represents biological organization?

Explanation:

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Question (22)

Which of the following organisms is multicellular?

Explanation:

Link:

Question (23)

According to cell theory, new cells are formed by:

Explanation:

Link:

Question (24)

Which scientist’s work strongly supported the development of cell theory?

Explanation:

Link:

Question (25)

If one unicellular organism divides into two every hour, how many cells will be formed after 4 hours?

Explanation:

Link:

Question (26)

The smallest unit capable of performing all life processes is the:

Explanation:

Link:

Question (27)

Which of the following supports the idea that cells are functional units?

Explanation:

Link:

Question (28)

Which scientist improved microscope observations using handmade lenses?

Explanation:

Link:

Question (29)

Which structure level comes immediately after organ system?

Explanation:

Link:

Question (30)

If a tissue contains 500 cells and each cell divides once, how many cells will be present after division?

Explanation:

Link:

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