The cell organelle involved in forming complex sugars from simple sugars are
(a) endoplasmic reticulum
(b) ribosomes
(c) plastids
(d) golgi apparatus
The undefined nuclear region of prokaryotes are also known as
(a) nucleus
(b) nucleolus
(c) nucleic acid
(d) nucleoid
The proteins and lipids, essential for building the cell membrane, are
manufactured by
(a) rough endoplasmic reticulum
(b) golgi apparatus
(c) plasma membrane
(d) mitochondria
Which cell organelle plays a crucial role in detoxifying many poisons and
drugs in a cell?
(a) Golgi apparatus
(b) Lysosomes
(c) Smooth endoplasmic reticulum
(d) Vacuoles
Find out the correct sentence
(a) Enzymes packed in Lysosomes are made through RER (rough
endoplasmic reticulum)
(b) Rough endoplasmic reticulum and smooth endoplasmic reticulum
produce lipid and protein respectively
(c) Endoplasmic reticulum is related with the destruction of plasma
membrane
(d) Nucleoid is present inside the nucleoplasm of eukaryotic nucleus
Find out the false sentences
(a) Golgi apparatus is involved with the formation of lysosomes
(b) Nucleus, mitochondria and plastid have DNA; hence they are able to
make their own structural proteins
(c) Mitochondria is said to be the power house of the cell as ATP is
generated in them.
(d) Cytoplasm is called as protoplasm
Which of the following are covered by a single membrane?
(a) Mitochondria
(b) Vacuole
(c) Lysosome
(d) Plastid
Plasmolysis in a plant cell is defined as
(a) break down (lysis ) of plasma membrane in hypotonic medium
(b) shrinkage of cytoplasm in hypertonic medium
(c) shrinkage of nucleoplasm
(d) none of them
Following are a few definitions of osmosis
Read carefully and select the correct definition
(a) Movement of water molecules from a region of higher concentration to
a region of lower concentration through a semipermeable membrane
(b) Movement of solvent molecules from its higher concentration to lower
concentration
(c) Movement of solvent molecules from higher concentration to lower
concentration of solution through a permeable membrane
(d) Movement of solute molecules from lower concentration to higher
concentration of solution through a semipermeable membrane
Which of these is not related to endoplasmic reticulum?
(a) It behaves as transport channel for proteins between nucleus and
cytoplasm
(b) It transports materials between various regions in cytoplasm
(c) It can be the site of energy generation
(d) It can be the site for some biochemical activities of the cell
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