1.
X is a double membraned organelle that oxidises food present in cell to release energy. X is
A
endoplasmic reticulum
B
mitochondrion
C
chloroplast
D
n ucleus
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38 practice sets · Page 1 of 2
X is a double membraned organelle that oxidises food present in cell to release energy. X is
endoplasmic reticulum
mitochondrion
chloroplast
n ucleus
Why is it crucial for root hair cells to have a long, narrow cytoplasmic extension?
To speed up the removal of carbon-di-oxide
To speed up the uptake of ions
To speed up the uptake of sugars and amino acids
To speed up the uptake of oxygen
Which structures can be found in all plant and animal cells?
Mitochondria and centrioles
Cell membrane and centrioles
Mitochondria and cell membrane
Cell wall and nucleus
Which structure in plant cell is responsible for providing the energy required to drive cellular processes?
Mitochondrion
Nucleus
Golgi apparatus
Chloroplast
Which of these is acellular?
Bacteria
Protozoans
Fungi
Viruses
Which of the following cell organelles can make complex sugars from simple sugars?
Lysosomes
Endoplasmic reticulum
Golgi apparatus
Ribosomes
Which of the cell organelle take part in the formation of acrosome?
Chromosome
They are brittle
They are capable to form anions easily
Nucleus
Which cell organelle is not bound by a unit membrane?
Ribosome
Endoplasmic reticulum
Nucleus
Lysosome
What is the meaning of Omnis Cellulae Cellula?
All organisms are composed of cells.
Cell is basic structural unit of an organism.
Cells are capable of producing more of themselves.
Cells arise from the division of pre-existing cell.
What is the important function of nucleus?
Photosynthesis
Cellular reproduction
Lipid synthesis
Protein synthesis
What is the function of the central vacuole in plants?
Stores water and dissolved nutrients
Carries out photosynthesis
Releases energy from stored nutrients
Protects the genetic material of the cell
What is meant by multicellular ?
The single celled organism.
The cytoplasmic projection which helps in locomotion & feeding of Amoeba
Organisms made of more than one cell.
A group of tissues which together perform specific function
What is autolysis ?
Self-replication
Self-digestion
Self-food producers
Food decomposer
What are suicide bags?
Plastids
Mitochondria
Lysosomes
Ribosomes
Vacuole is surrounded by:
plasmalemma
cell wall
tonoplast
plasmodesmata
The transportation of materials in the cell is done by
Golgi complex
lysosomes
mitochondria
endoplamic reticulum
Select the odd group from the following.
Chlamydomonas, Paramecium, bacteria
Fungi, Plants, Animals
Sperm, Neuron, Amoeba
Schleiden, Schwann, Virchow
Select the correct pair that comprises of only unicellular organisms
Amoeba and Rhizopus
Paramecium and Chlamydomonas
Bacteria an fungi
Plants and animals
Select the correct match:
Cell was first discovered - 1839
The term protoplasm was coined - 1665
The nucleus was discovered - 1831
Cell theory was proposed - 1674
Root hairs absorb water from soil by the process of
plasmolysis
diffusion
osmosis
endocytosis