(a) Genome
(b) arms
(c) Chromatin reticulum
(d) Pellicle
Ans-(d) Pellicle
What does mutation mean? [D.U. 2004-05]
(a) Hybridization
(b) Natural selection
(c) Reorganization
(d) Sudden and permanent changes in heredity
Answer-(d) Sudden and permanent changes in heredity
Protein synthesizing cells are- [D.U. 2003-04]
(a) Lysosomes
(b) Microsome
(c) Ribosomes
(d) Centrosome
Ans-(c) Ribosome
Prokaryotic cell is called when- [D.U. 2003-04]
(a) Does not contain mitochondria
(b) Nucleus absent
(c) Does not contain DNA
(d) Contains proteins and DNA
Answer-(b) Nucleus is absent
Which element stimulates cell division? [D.U. 2003-04]
(a) Mitochondria
(b) Centriole
(c) Golgibody
(d) Nucleo membrane
Answer (b) Centriole
Number of autosomes in human body- [D.U. 2003-04]
(a) 22
(b) 44
(c) 46
(D) 48
Answer (b) 44
Received Nobel prize for making model of DNA molecule- [D.U. 2003-04]
(a) Watson, Crick and Wilkins
(b) Watson and Crick
(c) Brown and Misel
(d) Morgan, Dujardin and Porter
Answer-(a) Watson, Crick and Wilkins
Which is missing in DNA molecule? [D.U. 2002-03]
(a) Cytosine
(b) Adenine
(c) Uracil
(d) Guanine
Answer-(c) Uracil
The irregular folds inside mitochondria are called- [D.U. 2002-03]
(a) Lamellae
(b) Cisternae
(c) Christie
(d) Chromatin material
Answer-(c) Christie
Lysosomes were first discovered by [D.U. 2002-03]
(a) Robert Brown
(b) D Duve
(c) Robert Hooke
(d) Camillo Golgi
Answer (b) D Duve