(a) No enveloped organelles other than ribosomes
(b) Has definite nucleus
(c) No well-structured plastids for photosynthesis
(d) Cell division is accomplished by the process of amitosis
Answer (b) Has definite nucleus
Which of the following is not true about genes? [Medical 2012-13]
(a) Unit of chromosome
(b) Holders and bearers of heredity
(c) Incapable of self reproduction
(d) Made up of DNA
Answer-(c) Incapable of self reproduction
Not applicable to eukaryotic nuclei – [Medical 2012-13]
(a) Controls all types of cell functions
(b) A specialized compartment located in the cytoplasm
(c) Contains multiple chromosomes
(d) It is covered by membrane
Answer (b) A specialized compartment located in the cytoplasm
Adenine binds to thymine [Medical 2012-13]
(a) With the help of Super
(b) Through three hydrogen bonds
(c) Through two hydrogen bonds
(d) Through phosphate bond
Answer-(c) Through two hydrogen bonds
What is missing in plant cells? [Medical 2011-12]
(a) Cellulose
(b) Phospholipids
(c) Chitin
(d) Chlorophyll
Answer-(c) Chitin
Which is a bivalent nucleotide? [Medical 2011-12]
(a) NADH2
(b) NAD
(c) ADP
(d) ATP
Answer-(a) NADH2
Which is the function of Golgi body? [Medical 2011-12]
(a) Generation of ATP
(b) Participation in love affairs
(c) Regulation of the cell’s own ionic balance
(d) Regulation of cellular secretion
Ans-(d) Regulation of cellular secretion
Which cells contain DNA? [Medical 2011-12]
(a) Golgi object
(b) Mitochondria
(c) Nucleoli
(d) Ribosome
Answer (b) Mitochondria
Who discovered microtubules in plants? [Medical 2010-11]
(a) Vedberg
(b) Pallad
(c) Robertis
(d) Porter
Answer-(c) Robertis
What is the maximum diameter of a ribosome in Å? [Medical 2010-11]
(a) 90
(b) 160
(c) 20
(d) 50
Answer (b) 160