Q.1: Ribosomes are the sites of _______________ manufacture.
Q.2: Why does rough endoplasmic membrane looks rough under the microscope ?
a) Because it has a network system.
b) Because it has ribosomes attached to it.
Q.3: The SER helps in the manufacture of fat molecules and some of these molecules help in building cell membrane. This process is known as _____________________.
a) membrane biogenesis
c) membrane biochemicals
Q.4: The method which is valuable in tracing the processes and most delicate ramifications of cells is ________________.
a) black reaction
b) white reaction
c) grey reaction
Q.5: Which of the following are the functions of endoplasmic reticulum ?
i) It detoxifies many poisons and drugs.
ii) It provides a surface for some biochemical activities.
iii) It expels excess water and wastes from cell.
a) only i
b) i and ii
c) All are correct
Q.6: ___________ are known as ‘suicidal bags’.
a) Golgi bodies
Q.7: The Golgi apparatus consists of a system of membrane bound vesicles arranged approximately parallel to each other in stacks called ____________.
Q.8: _____________ are a kind of waste disposal system of the cell.
a) Golgi bodies
Q.9: __________ is known as the energy currency of the cell.
Q.10: The central vacuole of some plant cells may occupy ________% of the cell volume.
Q.11: ____________ are primary organelles in which materials such as starch, oils and protein granules are stored.
Q.12: Which of these cell organelles have their own DNA ?
Q.13: _____________ are storage sacs for solid or liquid contents.
Q.14: The internal organisation of the plastids consists of numerous membrane layers embedded in a material called ____________.
Q.15: __________ help to keep the cell clean by digesting any foreign material as well as worn-out cell organelles.
a) Golgi aparatus