Quiz on Cell Structures and Functions:
Ques. The inner membrane of mitochond usually highly convoluted forming a infoldings known as
(a) thylakoids
(b) grana
(c) cristae
(d) lamellae
Ques. For immediate energy production in cells one should take __
(a) Glucose
(b) Vitamin K
(c) Vitamin C
(d) Roughage
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Ques. Mitochondria were first observed by
(a) Robert Brown
(b) Altmann
(c) Robert Hooker
(d) T. Svedber
Ques. 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
Ques. 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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Ques. 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
Ques. Nucleus was first discovered by
(a) Robert Brown
(b) Robert Koch
(c) Leeuwenhoek
(d) F. Sanger
Ques. Golgi apparatus is absent in
(a) liver cells
(b) higher plants
(c) blue green algae
(d) yeast
Ques. Ribosome was discovered by
(a) Porter
(b) Palade
(c) Muller
(d) Ochoa
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Ques. Who first coined the word “cell”?
(a) Aristotle
(b) Hooke
(c) Schwann
(d) Leeuwenhoek
Ques. Lysosomes are generally found in
(a) animal cells
(a) plant cells
(c) both animal and plant cells
(d) bacterial cells
Ques. Endoplasmic reticulum was discovered by
(a) Porter and Kallmann
(b) Altmann
(c) Robertson
(d) Hofmeister
Ques. Lysosomes are known as “suicidal bags” because of
(a) catalytic activity
(b) hydrolytic activity
(c) parasitic activity
(d) saprophytic activity
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Ques. The smallest organelles in a cell are
(a) Lysosomes
(b) Spherosomes
(c) Peroxysomes
(d) Ribosomes
Ques. Who discovered lysosomes?
(a) M. Calvin
(b) A. Claude
(c) Christian de Duve
(d) L.C. Pauling
Ques. 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
Ques. 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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Ques. 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
Ques. The term ‘protoplasm’ was given by
(a) Purkinje
(b) Dujardin
(c) Brown
(d) Fischer
Ques. Mitochondria are found
(a) in all cells
(b) only in plant cells
(c) only in animal cells
(d) in all eukaryotic cells
Ques. Major function of Golgi body is
(a) secretion
(b) regulation of cell temperature
(c) active transport
(d) transportation
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Ques. Cell organelle, which has electron transport system, is
(a) centriole
(b) endoplasmic reticulum
(c) mitochondria
(d) nucleolus
Ques. Which organelle changes the chemical into utilizable energy?
(a) Lysosome
(b) Mitochondria
(c) Endoplasmic reticulum
(d) Microsome
Ques. The first person to see a cell under the microscope was
(a) M. Schleiden
(b) T. Schwann
(c) Robert Hook
(d) A.V. Leeuwenhoek
Ques. The enzymes for Krebs cycle in mitochondria are located in
(a) in perimitochondrial space
(b) on inner membrane
(c) in mitochondrial matrix
(d) on the outer membrane
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Ques. Chemical nature of ribosome is
(a) beta galactosidase
(b) proteins and lipids
(c) glucose and sucrose
(d) proteins and RNA
Question: Cell activities are controlled by :
(a) Chloroplast
(b) Nitochondria
(c) Cytoplasm
(d) Nucleus
What Are Cells?
Cells are the smallest living unit in the living body and they contain a variety of different structures, known as organelles. Although all cells contain the same basic DNA, some access different sections of it. For instance, eye cells translate parts of DNA that tell them to make eye-specific proteins, while liver cells translate sections of DNA that instruct them to make liver-specific proteins. Cells play many essential roles in the all living bodies.
