Biology - Comprehensive Mock Test 86

Question 851 Easy

What is correct about Fluid-mosaic model?

A) A lipid bilayer and protein included in it. B) Above protein layer,one layer of phospholipid is present C) Above protein layer,two layer of phospholipid is present D) Protein bilayer and phospholipid is included isn it

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Question 852 Medium

Prokaryotics differ form eukaryotics in ________ ?

A) Cell wall and DNA B) Plasma membrane and nucleus C) Plastid and nucleus D) DNA and mitochondria

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Question 853 Medium

“Cell is a structural and functional unit of organisms”. who found out?

A) Schleiden and schwann B) Robert Hook C) Aristotal D) Mendel

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Question 854 Easy

In the following which sentance is false?

A) Lysosome possesses double layer structure. B) Lysosome is a suicidal bag. C) Lysosome digests all macromolecules. D) Lysosome possesses hydrolase enzyme.

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Question 855 Medium

Smooth endoplasmic recticulum is a synthesis site of which substance?

A) Lipid B) Protein C) Carbohydrate D) Nucleic acid

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Question 856 Easy

The plasma membrane is made up of ________ ?

A) Protein and lipid B) Only lipid C) Carbohydrate and lipid D) Carbohydrate and protein

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Question 857 Easy

In which phase the chromosomes appear clear?

A) Metaphase B) Telophase C) Prophase D) Anaphase

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Question 858 Medium

The subunits of prokaryotic ribosomes are ________ ?

A) 50S + 30S B) 60S + 40S C) 40S + 30S D) 60S + 50S

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Question 859 Easy

Microfilaments are ________ ?

A) Structure connects cytoplasm of two near by cells B) Locomotive structure C) Structure joints nucleus and cytoplasm D) Lignified layers between two cells.

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Question 860 Easy

In higher plant stroma of chloroplast possesses?

A) Enzyme for dark reaction. B) Chlorophyll C) Ribosomes D) Light reaction related enzyme

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