Number of chromosomes in E.coli ?
A. 1 (Correct)
B. 2
C. 4
D. 6
Number of chromosomes in E.coli ? Read More »
MCQs / Q&A, Misc. MCQs / Q&AMisc. MCQs / Q&A
Astronauts may use which technique to grow fruits and vegetables ?
A. Tissue culture techniques
B. Cloning
C. Pasterisation
D. Hydroponic culture technique (Correct)
Astronauts may use which technique to grow fruits and vegetables ? Read More »
MCQs / Q&A, Misc. MCQs / Q&AMessenger RNA is formed in_________?
A.nucleus (Correct)
B.chloroplast
C.mitochondria
D.none of these
Messenger RNA is formed in_________? Read More »
MCQs / Q&A, Misc. MCQs / Q&AProduction of genetically identical copies of organisms/cells by asexula reproduction is called ?
A. Mitosis
B. Replication
C. Cloning (Correct)
D. Biological control
Breeders have developed new and better varieties of food items by using which technique?
A. Pasteurization
B. Hydroponic culture technique
C. Genetic engineering (Correct)
D. Biological control techniques
Breeders have developed new and better varieties of food items by using which technique? Read More »
MCQs / Q&A, Misc. MCQs / Q&AConclusion of Mendels work latter became a_____________?
A. Scientific hypothesis
B. Theory
C. Scientific law (Correct)
D. Productive theory
Conclusion of Mendels work latter became a_____________? Read More »
MCQs / Q&A, Misc. MCQs / Q&AIt is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect?
A. Older sediment layers have equal amount of these radioactive isotopes as that of the young ones
B. Older sediment layers have less amount of these radioactive isotopes as that of the young ones. (Correct)
C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
D. Older sediment layers did not have these radioactive isotopes
Which are the four most abundant elements in living cells ?
A. carbon, oxygen, nitrogen, sulfur
B. carbon, oxygen, hydrogen, nitrogen (Correct)
C. carbon, oxygen, sulfur, phosphorus
D. carbon, sulfur, hydrogen, magnesium
Which are the four most abundant elements in living cells ? Read More »
MCQs / Q&A, Misc. MCQs / Q&AWhich is an organic compound found in most cells ?
A. Water
B. Glucose (Correct)
C. Oxygen
D. Sodium chloride
Which is an organic compound found in most cells ? Read More »
MCQs / Q&A, Misc. MCQs / Q&AMost cell membranes are composed principally of ?
A. DNA ad protein
B. Protein and Lipids (Correct)
C. Protein and Chitin
D. Protein and RNA
Most cell membranes are composed principally of ? Read More »
MCQs / Q&A, Misc. MCQs / Q&A