The number of chromosomes of tobacco plants is

A. 45

B. 48

C. 16

D. 24

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Anthocyanin’s are various types of colorful pigments present in the?

A. Chloroplasts

B. Chromoplasts

C. Leucoplasts

D. Vacuoles

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The middle lamella of cell wall is composed of

A. Cellulose

B. Pectin

C. Lignin

D. Murein

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Fatty acid is converted into carbohydrates by?

A. Glyoxisomes

B. Bile juice

C. Pancreatic juice

D. Lysosomes

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All cell membrane is composed of

A. Proteins

B. Lipids

C. Lipoproteins

D. Cellulose

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The size of Ribosomes in prokaryotic cell is …….?

A. 40s

B. 60s

C. 70s

D. 80s

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Breaking down of hydrogen peroxide into oxygen and water is carried by

A. Peroxisomes

B. Glyoxisomes

C. Lysosomes

D. Mitochondria

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Proper arrangement of layers in plant cell wall from inside to outward is

A. Primary wall – secondary wall – middle lamella

B. Secondary wall – primary wall – middle lamella

C. Primary wall – middle lamella – secondary wall

D. Secondary wall – middle lamella – primary wall

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