All the three types of plastids have evolved from

(A)Pro-plastid

(B)chloroplast

(C)chromoplast

(D)leucoplast

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The type of leucoplast which stores oils and fats is

(A)amyloplast

(B)aleuroplast

(C)elaioplast

(D)chromoplast

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The incorrect match is

(A)Elaioplast- lipids

(B)amyloplast-starch

(C)aleuroplast-carbohydrates

(D)chromoplast-carotenoids

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Carotene and xanthophylls are present in

(A)Chloroplast

(B)chromoplast

(C)leucoplast

(D) Both A and B

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Which of the following is true about chloroplast

(A)one in chlamydomonas

(B)20-40 in leaf mesophyll cell

(C)present in different shapes

(D)All of these

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Which of the following is true about stroma except

(A)contains enzymes for carbohydrates and proteins synthesis

(B)Chlorophyll pigments are present in stroma

(C) contains the most abundant protein of the universe

(D)contains small, dsDNA molecules

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The common feature of mitochondria and plastids

(A) both are double membranous cell organelles

(B)Both contains 70s ribosomes

(C)both have dsDNA

(D)All of the above

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A number of organised flattened membranous sacs are called

(A)thylakoids

(B)starch granules

(C)Quantasomes

(D)None of these

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Chromatin can be stained with

(A)Basic dyes

(B)neutral dyes

(C)acidic dyes

(D)Crystal violet

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Chromatin can be observed in

(A)Interphase nucleus

(B)dividing nucleus

(C)Both A and B

(D)Nuclei of any stage

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