Practice Pakistan's most useful MCQs for competitive exams

In an aqueous environment the most stable tertiary conformation is that in which _________ amino acids are buried inside the conformation?

• (A)  Hydrophobic
• (B)  Hydrophilic
• (C)  Basic
• (D)  None of these

Answer

Submitted By :Ali Uppal

Yeasts reproduce asexually by forming____________?

• (A)  Asci
• (B)  Basidia
• (C)  Both a & b
• (D)  Buds

Answer

Submitted By :Ali Uppal

All of the following veins carry deoxygenated blood except

• (A)  Superior vena cava
• (B)  Inferior vena cava
• (C)  Hepatic vein
• (D)  Pulmonary vein

Answer

Submitted By :Ali Uppal

The first organism of whose genome was completely discovered was____________?

• (A)  Human beings
• (B)  Influenza Virus
• (C)  Hemophilus Influenza
• (D)  None of these

Answer

Submitted By :Ali Uppal

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

Answer

Submitted By :Ali Uppal

If a plasmolysed plant cell is placed in water the cell will___________?

• (A)  Burst
• (B)  Be Killed
• (C)  Be deplasmolysed
• (D)  Show no change in it

Answer

Submitted By :Ali Uppal

Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?

• (A)  Globular proteins
• (B)  Fibrous Proteins
• (C)  Both a and b
• (D)  None of these

Answer

Submitted By :Ali Uppal

The food of hydra consists of___________?

• (A)  Humus
• (B)  Detritus
• (C)  Dead microscopic animals
• (D)  Small crustaceans

Answer

Submitted By :Ali Uppal

Which of the following are triploblastic and acoelomate?

• (A)  Sponges
• (B)  Annelida
• (C)  Platyhelminthes
• (D)  Aves

Answer

Submitted By :Ali Uppal

helical structure is kept by the formation of _________ bonds among amino acids molecules?

• (A)  H bonds
• (B)  Disulphide Bond
• (C)  Ionic bond
• (D)  Hydrophobic bonds

Answer

Submitted By :Ali Uppal