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Question (41)

QN007629

Which scientist first observed the Golgi apparatus?

(A) Robert Hooke
(B) Camillo Golgi
(C) Rudolf Virchow
(D) J. Craig Venter

Correct Answer: B

Explanation:

Camillo Golgi discovered the Golgi apparatus.

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Question (42)

QN007630

The bright colours in fruits help mainly in:

(A) Respiration
(B) Water absorption
(C) Attracting pollinators and seed dispersers
(D) Protein synthesis

Correct Answer: C

Explanation:

Bright colours attract pollinators and seed dispersers.

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Question (43)

QN007631

Which organelle is absent in mature human red blood cells?

(A) Cell membrane
(B) Cytoplasm
(C) Nucleus
(D) Ribosome

Correct Answer: C

Explanation:

Mature RBCs lack a nucleus.

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Question (44)

QN007632

The network-like structure spread throughout cytoplasm is called:

(A) Golgi body
(B) Endoplasmic reticulum
(C) Vacuole
(D) Lysosome

Correct Answer: B

Explanation:

Endoplasmic reticulum forms a network inside cytoplasm.

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Question (45)

QN007633

Which organelle helps in synthesis and transport of proteins in gland cells?

(A) SER
(B) RER
(C) Vacuole
(D) Chromoplast

Correct Answer: B

Explanation:

Rough ER synthesizes and transports proteins.

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Question (46)

QN007634

If all lysosomes in a cell suddenly burst, the cell would most likely:

(A) Produce more ATP
(B) Start photosynthesis
(C) Undergo self-digestion
(D) Divide rapidly

Correct Answer: C

Explanation:

Lysosomal enzymes can digest the cell itself.

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Question (47)

QN007635

Which organelle contains chlorophyll-bearing disc-shaped structures?

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

Correct Answer: B

Explanation:

Chloroplasts contain chlorophyll-bearing thylakoids.

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Question (48)

QN007636

Which cell component is jelly-like and fills the inside of the cell?

(A) Cytoplasm
(B) Chromatin
(C) Cell wall
(D) Cristae

Correct Answer: A

Explanation:

Cytoplasm is the jelly-like substance inside the cell.

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Question (49)

QN007637

The rigid outer layer present outside the plasma membrane in plants is called:

(A) Nuclear membrane
(B) Cell wall
(C) Tonoplast
(D) Capsule

Correct Answer: B

Explanation:

Cell wall is the rigid outer covering of plant cells.

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Question (50)

QN007638

A student identifies a cell organelle having double membrane and its own DNA. Which organelle could it be?

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

Correct Answer: D

Explanation:

Mitochondria possess double membrane and their own DNA.

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Question (41)

Which scientist first observed the Golgi apparatus?

Explanation:

Link:

Question (42)

The bright colours in fruits help mainly in:

Explanation:

Link:

Question (43)

Which organelle is absent in mature human red blood cells?

Explanation:

Link:

Question (44)

The network-like structure spread throughout cytoplasm is called:

Explanation:

Link:

Question (45)

Which organelle helps in synthesis and transport of proteins in gland cells?

Explanation:

Link:

Question (46)

If all lysosomes in a cell suddenly burst, the cell would most likely:

Explanation:

Link:

Question (47)

Which organelle contains chlorophyll-bearing disc-shaped structures?

Explanation:

Link:

Question (48)

Which cell component is jelly-like and fills the inside of the cell?

Explanation:

Link:

Question (49)

The rigid outer layer present outside the plasma membrane in plants is called:

Explanation:

Link:

Question (50)

A student identifies a cell organelle having double membrane and its own DNA. Which organelle could it be?

Explanation:

Link:

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