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NEET Practice Questions (MCQs) with Answers & Solutions

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The movement of water across membranes is from

higher to lower concentration of water

lower to higher concentration water

outside of the cell to its inside

Both A and C

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Explanation

Refer NCERT, Heading 8.5.1 para 3, page 132

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Which of the following statement is not true?

Plasma membrane is selectively permeable

Polar molecules cannot pass through the polar lipid bilayer

Neutral molecules pass the membranes through diffusion

Active transport is exhibited with the expenditure of ATP

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Explanation

Refer NCERT, Heading 8.5.1 para 3, page 132

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Which of the following is the part of the Endomembrane system

Endoplasmic reticulum, golgi complex, lysosomes and vacuoles

Golgi complex and ER only

Endoplasmic reticulum, golgi complex, and vacuoles

Nucleus, Endoplasmic reticulum, golgi complex, and vacuoles

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Explanation

Refer NCERT, Heading 8.5.3, para 1, page 133

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Endomembrane system is formed because of the

coordinated functions of the membranous organelles

coordinated functions of the membraneless organelles

coordinated functions of all cell organelles

All of these

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Explanation

Refer NCERT, Heading 8.5.3, para 1, page 133

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Which of the following is true for lysosomes

membrane bound vesicles

formed by golgibody

rich in hydrolytic enzymes

All of the above

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Explanation

Refer NCERT, Heading 8.5.3.3, para 1, page 134

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Hydolytic enzymes comprises of which of the following

lipases

proteases

carbohydrases

All of these

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Explanation

Refer NCERT, Heading 8.5.3.3, para 1, page 134

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Hydrolytic enzymes are active at

acidic pH

basic pH

Neutral pH

Both A and B

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Explanation

Refer NCERT, Heading 8.5.3.3, para 1, page 134

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How many of the following biomolecules can be digested by lysosomes?

(Carbohydrates, proteins, lipids, nucleic acids)

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Explanation

Refer NCERT, Heading 8.5.3.3, para 1, page 134

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Which of the following is not true about cell wall

protects cell from mechanical damage

permeable to water

It’s a living structure

absent in animals

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Explanation

Refer NCERT, Heading 8.5.2para 1, page 132

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Galactans and mannans are the important component of cell wall of

Plant

Algae

Fungi

Bacteria

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Explanation

Refer NCERT, Heading 8.5.2para 1, page 132

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