Biology - Mock Test 247

Question 2461

The chlorophyll molecule is embedded in the core of thylakoid membrane which acts as?

A) Hydrophilic B) Hydrophobic C) Both of these D) None of these

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Question 2462

Deficiency of ________ causes yellowing in plants?

A) Magnesium B) Iron C) Chlorine D) Oxygen

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Question 2463

Chlorophylls mainly absorb ____ wavelengths?

A) Orange - blue B) Violet - red C) Yellow - orange D) Orange - re

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Question 2464

Xanthophylls are ______ pigments?

A) Yellow B) Red C) Orange D) Green

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Question 2465

Chlorophylls are found embedded in the ______ membranes?

A) Stroma B) Grana C) Thylakoid D) Intergrana

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Question 2466

The dense fluid filled region in the chloroplast is?

A) Grana B) Stroma C) Thylakoid D) None of these

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Question 2467

In all plants the major sites of phosynthesis are?

A) Leaves respire and utilize O2 and release CO2. B) Stems C) Roots D) Branches

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Question 2468

Thylakoids in chloroplasts are stacked into?

A) Grana B) Stroma C) Nucleus D) None of these

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Question 2469

Light reaction takes place on/in?

A) Thylakoid B) Storma C) Chloroplast D) Grana

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Question 2470

Which of the following pigment is Blue- green in colour?

A) Chlorophyll a B) Chlorophyll b C) Chlorophyll c D) Chlorophyll d

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