Cell Structures and Functions Worksheet:
The inner membrane of mitochondria is usually highly convoluted, forming infoldings known as
(a) thylakoids
(b) grana
(c) cristae
(d) lamellae
For immediate energy production in cells, one should take __
(a) Glucose
(b) Vitamin K
(c) Vitamin C
(d) Roughage
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Mitochondria were first observed by
(a) Robert Brown
(b) Altmann
(c) Robert Hooker
(d) T. Svedber
Membranes occur in
(a) cytoplasm, chloroplasts, and mitochondria
(b) cytoplasm, nuclei, and starch grains
(c) chromosomes, chloroplasts, and starch grains
(d) nuclei, chromosomes, and mitochondria
Who was the first to explain that cells divide and that all new cells must come from preexisting cells?
(a) M. Schleiden
(b) T. Schwann
(c) Robert Hooke
(d) Rudolf Virchow
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Besides giving out secretory vesicles, the Golgi apparatus is also concerned with the formation of
(a) lysosomes
(b) plastids
(c) grana of chloroplast
(d) cell plates after cell division in plants
The nucleus was first discovered by
(a) Robert Brown
(b) Robert Koch
(c) Leeuwenhoek
(d) F. Sanger
Golgi apparatus is absent in
(a) liver cells
(b) higher plants
(c) blue-green algae
(d) yeast
Ribosome was discovered by
(a) Porter
(b) Palade
(c) Muller
(d) Ochoa
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Who first coined the word “cell”?
(a) Aristotle
(b) Hooke
(c) Schwann
(d) Leeuwenhoek
Lysosomes are generally found in
(a) animal cells
(a) plant cells
(c) both animal and plant cells
(d) bacterial cells
The endoplasmic reticulum was discovered by
(a) Porter and Kallmann
(b) Altmann
(c) Robertson
(d) Hofmeister
Lysosomes are known as “suicidal bags” because of
(a) catalytic activity
(b) hydrolytic activity
(c) parasitic activity
(d) saprophytic activity
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The smallest organelles in a cell are
(a) Lysosomes
(b) Spherosomes
(c) Peroxysomes
(d) Ribosomes
Who discovered lysosomes?
(a) M. Calvin
(b) A. Claude
(c) Christian de Duve
(d) L.C. Pauling
Proteins that are to be used outside the cell are synthesized
(a) in the mitochondria
(b) on the rough endoplasmic reticulum
(c) on the smooth endoplasmic reticulum
(d) on free ribosomes
If the leaf tissues are carefully fractionated, what part should be alive?
(a) Endoplasmic reticulum
(b) Cell wall
(c) Ribosomes
(d) Chloroplasts
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The Golgi complex plays a major role
(a) in digesting proteins and carbohydrates
(b) in trapping light quanta and transforming them into chemical energy
(c) in glycosidation of lipids and proteins to produce glycolipids and glycoproteins
(d) as energy-transferring organelles
The term ‘protoplasm’ was given by
(a) Purkinje
(b) Dujardin
(c) Brown
(d) Fischer
Mitochondria are found
(a) in all cells
(b) only in plant cells
(c) only in animal cells
(d) in all eukaryotic cells
The major function of the Golgi body is
(a) secretion
(b) regulation of cell temperature
(c) active transport
(d) transportation
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Cell organelle, which has an electron transport system, is
(a) centriole
(b) endoplasmic reticulum
(c) mitochondria
(d) nucleolus
Which organelle changes the chemical into utilizable energy?
(a) Lysosome
(b) Mitochondria
(c) Endoplasmic reticulum
(d) Microsome
The first person to see a cell under the microscope was
(a) M. Schleiden
(b) T. Schwann
(c) Robert Hook
(d) A.V. Leeuwenhoek
The enzymes for the Krebs cycle in mitochondria are located in
(a) in per mitochondrial space
(b) on inner membrane
(c) in mitochondrial matrix
(d) on the outer membrane
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The chemical nature of ribosomes is
(a) beta-galactosidase
(b) proteins and lipids
(c) glucose and sucrose
(d) proteins and RNA
Cell activities are controlled by :
(a) Chloroplast
(b) Mitochondria
(c) Cytoplasm
(d) Nucleus
