Which of the following is true about mitochondria except

(A) easily visualised under microscope without staining

(B) It’s number in the cell depends on the physiological activity of the cell

(C)It is highly variable in their shape and size

(D)Double membranous structure

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Endoplasmic reticulumn bearing ribosomes on their surface is called

(A)Rough endoplasmic reticulumn

(B)Smooth endoplasmic reticulumn

(C)Lomasomes

(D)None of these

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Which of the following is true about SER (smooth endoplasmic reticulum), except

(A) Ribosomes are absent

(B)Actively involved in protein synthesis

(C)Steroidal hormone synthesis site

(D)Both A and C

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Which of the following is not a modification of endoplasmic reticulum

(A)Sarcoplasmic reticulum

(B)Nissl’s granules

(C)myeloid bodies

(D)None of these

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Ergastoplasm is a modification of

(A)RER

(B)SER

(C)GB

(D)None of these

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Plastids are present in

(A)Plants

(B)Euglenoides

(C)Both A and B

(D)all protists

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Based on the type of pigments plastids can be classified into how many classes

(A)3

(B)4

(C)2

(D)1

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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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