A. Nucleus
B. Chloroplast
C. Vacuole
D. Cutoplasm
Plant Breeding and Genetics
The outer most part of plant cell is………………..?
A. Plasma membrane
B. Epidermis
C. Nuclear membrane
D. Cellulose cell wall
The maximum magnification possible within electron microscope is………………..?
A. 2000 times
B. 4000 times
C. 400,000 times
D. 200,000 times
The smallest cell organelle so far is…………………?
A. Peroxisome
B. Spherosome
C. Ribosome
D. Lysosome
What is the function of Gorge bodies………………?
A. Photosynthesis
B. Protein synthesis
C. Segregation of the products of sunthesis
D. RNA synthesis
Who discovered ribosomes………………?
A. Palade
B. Altmann
C. Cowdry
D. Garner
Cytoplasm fills of the cavity of a cell when if is young. But in nature cells, the cytoplasm…………….?
A. Becomes vacuolated
B. Disappears completely
C. Contracts
D. Disintegrates partially
Who gave the model of DNA……………..?
A. Watson and Crick
B. Tatum
C. Koran
D. Dtanele
Who discovered nucleic acid…………….?
A. Van Mohl
B. Miescher
C. Benda
D. Schultz
Duplication of chromosomes occurs during……………..?
A. Mitosis only
B. Meiosis
C. Mitosis and meiosis
D. None of the above