Options:
- A. 1993
- B. 1994
- C. 1995
- D. 1996
View Answer
D. 1996
Biology
The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called:
Options:
- A. An organ
- B. A molecule
- C. Tissue
- D. Both a and c
View Answer
B. A molecule
Proteins are made from amino acids by the process of ______________?
Options:
- A. Hydrolysis
- B. Pinocytosis
- C. Dehydration synthesis
- D. Active transport
View Answer
C. Dehydration synthesis
Smallest disease causing agents in plants are ?
Options:
- A. virion
- B. mycoplasma
- C. viroids
- D. prions
View Answer
C. viroids
Enzyme present in the saliva is_____________?
Options:
- A. lipase
- B. trypsin
- C. ptyalin
- D. invertase
View Answer
C. ptyalin
Euglena belongs to the kingdom___________?
Options:
- A. Fungi
- B. Monera
- C. Protista
- D. Non of them
View Answer
C. Protista
Virus consist of Parts:__________?
Options:
- A. 1
- B. 2
- C. 3
- D. 4
View Answer
B. 2
PCR stand for _________?
Options:
- A. Polymerase chain reaction
- B. Poly carbomyl reaction
- C. Peptide chain reaction
- D. Pentapeptide chain reaction
View Answer
A. Polymerase chain reaction
Which one is a micromolecule__________?
Options:
- A. Polysaccharide
- B. Protein
- C. Hemoglobin
- D. ATP
View Answer
D. ATP
It 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:
Options:
- A. Older sediment layers have equal amount of these reaioactive isotopes as that of the young ones
- B. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
- 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
View Answer
B. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.