Which one of the following types of tissues will have contractile proteins?
Which one of the following statements about meristematic tissues in plants is correct?
AIDS is caused by a virus whose genetic material is
The living content of cell is called protoplasm. It is composed of:
Within an animal cell, the most abundant inorganic constituent of protoplasm is
The water conducting tissue generally present in gymnosperm is
Cork cells are made impervious to water and gases by the presence of
The muscular tissue which function throughout the life continuously without fatigue is
Which of the following helps in repair of tissue and fills up the space inside the organ?
Intestine absorb the digested food materials. What type of epithelial cells are responsible for that?
The only cell organelle seen in prokaryotic cell is
Cell wall of which one of these is not made up of cellulose?
Amoeba acquires its food through a process, termed
The cell organelle involved in forming complex sugars from simple sugars are
The undefined nuclear region of prokaryotes are also known as
The proteins and lipids, essential for building the cell membrane, are manufactured by
Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell?
Which of the following are covered by a single membrane?
A cell will swell up if
The thread-like structures present in the nucleus are
Which one of the following term is not a part of the nucleus?