Which of the following is an amino acid?
a. Serine
b. Alanine
c. Glycine
d. Proline
d. Proline
Which of the following organisms doesn`t have a cell?
a. Virus
b. Bacteria
c. Fungi
d. Algae
a. Virus
How many electrons can the s-orbital accommodate?
[A] 1
[B] 2
[C] 8
[D] 16
[B] 2
The smell of ozone is very sharp, often described as similar to that of what?
[A] chlorine
[B] sulfur
[C] Carbon monoxide
[D] Aragon
[A] chlorine
The fact that planets move around the sun not in circular but ellipse, was demonstrated by
a. Galileo
b. Aryabhatta
c. johannees Kelper
d.copernicus
c. johannees Kelper
Who deduced the double – helical structure of DNA?
a. Watson and Francis Crick
b. Frederick sanger
c. Anton Van Leeuwenhoek
d. Mendel
a. Watson and Francis Crick
RNA is present in which of the following cell organelles?
a. Cell wall
b. Ribosomes
c. Nucleus
d. Cytoplasm
b. Ribosomes
Which of the following is not a weak electrolyte?
[A] Acetic acid
[B] Carbonic acid
[C] Potassium Hydroxide
[D] All of the above
[C] Potassium Hydroxide
Heavy water contains what isotopic form of hydrogen?
A. Deuterium
B. Anterium
C. Tritium
D. None Of These Choices
A. Deuterium
Which of the following represents the absolute zero temperature?
[A] 0° C
[B] -100° C
[C] -273.15° C
[D] 273.15° C
[C] -273.15° C
Which of the following is known as the suicide bag of a cell?
a. mitochondria
b. Golgi body
c. Lysosome
d. Nuclei
c. Lysosome
Which of the following cell is found in the brain?
a. Hepatocyte
b. Neuron
c. Nephron
d. Epithelial
b. Neuron
What is the most toxic metal?
[A] Astatine
[B] Aluminium
[C] Mercury
[D] Tungestin
[C] Mercury
Dr Pepper shares what main ingredient of most antifreezes?
A. Ethanol
B. Ethylene Glycol
C. Propanediol
D. Propylene Glycol
B. Ethylene Glycol
In which medium does sound travel faster?
a. Liquid
b. solid
c. gas
d. same speed ay liquid , solid and gas
b. solid
Which of the following cell organelle is responsible for transporting, modifying, and packaging proteins and lipids?
a. Mitochondria
b. Endoplasmic reticulum
c. Golgi complex
d. DNA
c. Golgi complex
Which of the following cells are found in the intestinal lining?
a. RBCs
b. Neuron
c. Epithelial cells
d. Hepatocytes
c. Epithelial cells
What do you mean by the “universal solvent”?
[A] Sodium chloride
[B] water
[C] hydrochloric acid
[D] triglyceride
[B] water
Which of the following is used for anaesthesia?
A. A mixture of hydrogen and oxygen
B. Oxygen and nitrogen
C. carbon and nitrous oxide
D. oxygen carbon and nitrous oxide
D. oxygen carbon and nitrous oxide
If you traveled to Jupiter, what would change?
a. Your weight and mass
b. your weight
c. your mass
d. your height
b. your weight
Which of the following cell doesn`t contain a cell wall?
a. Plant cell
b. Bacteria
c. Fungi
d. Animal cell
d. Animal cell
Lysosomes are produced by which of the following cell organelles?
a. Mitochondria
b. Endoplasmic reticulum
c. Golgi body
d. DNA
c. Golgi body
Approximately 96% of the human body is made up of just 4 elements – which of these is NOT one of them?
[A] Iron
[B] Oxygen
[C] Carbon
[D] Nitrogen
[A] Iron
Compounds of which of the following metals are used in black and white photography ?
A. Au
B. Cu
C. Ag
D. Al
C. Ag
Which of the following does a simple machine do?
a. allows the users to apply less force over a longer distance
b. reduce the amount of force needed to do work
c. change the direction of the applied force
d. all of the above
d. all of the above