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MCQQ-ID: 5751

In 1959 Robertson proposed

a) Two layers of lipid molecules

b) Lipid bilayer and protein pores

c) Unit membrane

d) Fluid mosaic model

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MCQQ-ID: 5750

In industries cell wall is used as

a) Nitrocellulose

b) Rayon

c) Paper making

d) All of these

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MCQQ-ID: 5749

Integral protein regulate which of the following

a) Diffusion

b) Osmosis

c) Active transport

d) All of these

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MCQQ-ID: 5748

Which two components form the protoplasm

a) Cell wall and nucleus

b) Cell wall and cytoplasm

c) Nucleus and cytoplasm

d) Cell wall and plasma membrane

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MCQQ-ID: 5747

Golgi bodies originate from

a) Plastids

b) Mitochondria

c) Endoplasmic reticulum

d) Ribosomes

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MCQQ-ID: 5746

Which is present nearest to plasma membrane in plant cell

a) Secondary wall

b) Primary wall

c) Middle Lamella

d) Tonoplast

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MCQQ-ID: 5745

All cell contains

a) Mitochondria

b) Golgi bodies

c) Chloroplast

d) Ribosomes

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MCQQ-ID: 5744

DNA could be found in

a) Chloroplast

b) Mitochondria

c) Nucleus

d) All of these

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MCQQ-ID: 5743

Mitochondria is a semi-autonomous organelle because it contains

a) Proteins

b) DNA + RNA

c) DNA, RNA, and ribosomes

d) RNA and ribosomes

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MCQQ-ID: 5742

In ribosomes ‘S’ signifies

a) Sedimentation

b) Coefficient

c) Svedberg constant

d) Both a and b

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MCQQ-ID: 5741

Which is incorrect in relation to lysosomes?

a) They contain acid hydrolases

b) They are autophagic

c) They can digest proteins, nucleic acids, and lipids

d) They are monomorphic

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MCQQ-ID: 5740

The resolving power of light microscope is 250 nm, which is about times of human eye

a) 500X

b) 1000X

c) 10000X

d) 100000 X

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MCQQ-ID: 5739

If a microscope has objective lens of 40X and Eye piece of 10X, what will be its magnification power

a) 400X

b) 40X

c) 10X

d) 4000X

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MCQQ-ID: 5738

Which stain is used to stain DNA particularly in cell division

a) Leishman’s division

b) Feulgen’s stain

c) Schultz stain

d) Gram stain

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MCQQ-ID: 5760

How much time is required for spinning a homogenate tissue mixture to isolate mitochondria

a) 10 min

b) 25 min

c) 35 min

d) (d) 1 hr

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