Question Text
Question 1 :
The cell division in blue green algae similar to that in 
Question 3 :
Who first proposed that new cells are formed by the division of preexisting cells?
Question 9 :
The smallest size of a cell which can be seen with unaided eye is
Question 13 :
In view of the current status of our knowledge about the cell structure, which of the following statement(s) about cell theory is/are correct?<br/>(i) The cell theory does not hold good since all living organisms are not cellular in organisation.<br/>(ii) The cell theory in its modified form means that all living objects are composed of cells capable of reproduction.<br/>(iii) The cell theory means that all living objects consist of cells, whether reproducing or not.<br/>(iv) The cell theory needed modification due to the discovery of sub-cellular structures such as chloroplasts and mitochondria.
Question 18 :
Cell hypothesis was proposed by T. Schwann, the cell theory was proposed by
Question 19 :
The concept ''OMNIS cellula-e-cellala'' means that ,new cells are formed from:
Question 20 :
The percentage of water in a typical plant cell is about 
Question 24 :
Glycocalyx (mucilage sheath) of a bacterial cell may occur in the form of a loose sheath called ________ or it may be thick and tough called __________.
Question 25 :
Assertion: Plasmids are strands of extrachromosomal DNA
Reason: Plastids are found in eukaryotic cells
Question 30 :
A common characteristic feature of plant sieve tube cells and most of mammalian erythrocyes is ______________.
Question 32 :
Match the following.<br/><table class="wysiwyg-table"><tbody><tr><td>A.  Mitochondria, chloroplast and nucleus</td><td>1. Amembranous</td></tr><tr><td>B. Lysosome and glyoxysome</td><td>2. Single membrane</td></tr><tr><td>C. Ribosome</td><td>3. Double membrane</td></tr><tr><td>D. Bacterial chromatin</td><td>4. Triple membrane</td></tr><tr><td></td><td>5. Without membrane, common to prokaryotic and eukaryotic cells</td></tr></tbody></table>
Question 34 :
Assertion: The number of cells in a multicellular organism is inversely proportional to size of body.
Reason: All cells of biological world are of the same size.