Biology - Comprehensive Mock Test 87

Question 861 Easy

Middle lamella is made up of which substance?

A) Calcium pectate B) Hemicellulose C) Muramic acid D) Phosphoglyceride

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Question 862 Easy

In plant cell vacuole is _______ ?

A) Membrane bound structure which stores various substance and excrete them. B) Without membranous structure. C) Without membranous structure which stores protein and lipid D) With membranous structure which stores protein and lipi

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Question 863 Easy

Select,which assertion is false?

A) Chloroplast and mitochondria both possess internal variation.Thylakoid lumen is not covered by thylakoid membrane. B) Chloroplast and mitochondria both possess DN1⃣ C) Chloroplast and mitochondria both possess external and internal membrane. D) Normally chloroplast is larger than mitochondria

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Question 864 Easy

Where the Chlorophyll is present in chloroplast?

A) In thyllakoid B) In Stroma C) In grana and stroma D) In outer membrane

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Question 865 Medium

What is main difference between active and passive transport?

A) Active transport occurs by ATP. B) Active transport occurs fast. C) Energy is necessary for passive transport. D) Passive transport is a non-selective transport.

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Question 866 Easy

Which asseration is false ?

A) Sucidal bag possess double layer structure B) Mitochondria are self replicating organelles C) Virchow give the final shape of the cell theory D) Active transport occurs against the concentration gradient

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Question 867 Easy

Which organelle possesses circular DNA?

A) Chloroplast B) Lysosome C) Ribosome D) Golgi appartus

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Question 868 Medium

How much diameter of ribosome in prokaryotic cell?

A) 20 nm B) 40 nm C) 10 nm D) 15 nm

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Question 869 Medium

Which structure serves as a protective layer agaimst attack by phagocytes and by viruses?

A) Capsule B) Appendages C) Mesosome D) Mitochondria

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Question 870 Easy

How many basic shapes of Bacteria are there ?

A) 4 B) 6 C) 9 D) 1

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