Biology Mcqs

How many carbon atoms are required to form a furan ring (ribofuranose)_____________?

A. 3
B. 4
C. 5
D. 2

In esterification OH comes from_______________?

A. Organic acid
B. Alcohol
C. Water
D. Sugar

Which one of the following is most likely to occur in an animal during winter?

A. Activation of sweat glands
B. Dilation of skin blood vessels
C. Panting
D. Thermogenesis

The one that stores calcium is __________?

A. Sarcolemma
B. Sarcoplasm
C. Sarcoplasmic reticulum
D. Cytosol

Which one is not found in fatty acids in acylglycerols____________?

A. C-6
B. C-25
C. C-26
D. C-30

Sebum produced from sebaceous glands in a mammal helps in___________?

A. Protection against micro organisms
B. Temperature regulation
C. Excretion
D. All of these

Animals fats are ______________ atroom temperature?

A. Liquids
B. Gases
C. Solids
D. None of these

All of the following veins carry deoxygenated blood exceptA. Superior vena cava
B. Inferior vena cava
C. Hepatic vein
D. Pulmonary vein

pulmonary vein carry oxygenated blood because it carry blood from lungs to left atrium.. inferior vena cava and superior vena cava carry deoxygenated.. and all veins carry deoxygenated blood except pulmonary vein.. superior vena cava carry the deoxygenated blood from uper part like head neck shoulder etc. while inferior vena cava carry the deoxygenated blood from lower part limbs etc of the body.

 

The first organism of whose genome was completely discovered was____________?

A. Human beings
B. Influenza Virus
C. Hemophilus Influenza
D. None of these

ATP is a an important molecule for its major function___________?

A. As an energy currency of the cell
B. As a coenzyme
C. Both a and b
D. None of these