i. Protoplasm is called the living substance of the cell.
ii. A tissue is a group of similar cells performing a specific function.
iii. Cells in the living organisms are basic structural units.
iv. Egg white is called the albumen.
v. The size of the cell is related to its function.
vi. Each organ is further made up of smaller parts called tissues.
vii. All organisms are made of smaller parts called organs.
i. Unicellular organisms have one-celled body. True
ii. Muscle cells are branched. False
iii. Bacterial cell also has a cell wall. True
iv. The basic living unit of an organism is an organ. False
v. Amoeba has irregular shape. True
vi. Cells in the living organisms are complex living structures. True
vii. A cell wall is present in animal cells. False
Ans. Genes are located on chromosomes.
Ans. Cell is the basic living unit of an organism.
Ans. Chloroplasts contain chlorophyll.
Ans. Microscope is used to study cells.
Ans. No, animal cells do not have a cell wall.
Ans. A smaller spherical body in the nucleus is called the nucleolus.
Ans. Robert Hooke coined the term ‘cell’.
Ans. Spherical red blood cells
Ans. Nucleus acts as control centre of the activities of the cell.
Ans. Cell membrane is the outermost layer of an animal cell.
Ans. Chromosomes are the units of inheritance in living organisms.
Ans. The central dense round body in the centre is called the nucleus.
Ans. Nucleus is the largest floating body generally in the centre of a cell.
Ans. Any blank-looking structure in the cytoplasm is called vacuole.
Ans. A tissue is a group of similar cells performing a specific function.
Ans. The nerve cell (or a neuron) receives and transfers messages.
Ans. Spindle shaped muscle cells
Ans. All the living things (plants and animals) are made from cells.
Ans. Cells without well organised nucleus, i.e. lacking nuclear membrane, are called prokaryotic cells.
Ans. In addition to the cell membrane, there is an outer thick layer in cells of plants called cell wall.
Ans. In plants, photosynthesis takes place in chloroplasts, which contain the chlorophyll.
Download to practice offline.