Biology

Which of the following statement is incorrect about RNA_________________?

Options:

• A. The pentose sugar in it is Ribose.
• B. It contains Adenine Guanine Thymine and Cytosine
• C. It is present in the nucleoli
• D. It may be folded back on itself to give double helical characteristics.

View Answer

B. It contains Adenine Guanine Thymine and Cytosine

The first organism of whose genome was completely discovered was____________?

Options:

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

View Answer

C. Hemophilus Influenza

The productivity of aquatic ecosystem is basically determined by light and____________?

Options:

• A. CO2
• B. O2
• C. Water
• D. Nutrients

View Answer

D. Nutrients

The part of chloroplast where CO2 is fixed to manufacture sugar is__________?

Options:

• A. Stroma?
• B. Grana
• C. Thylakoid
• D. Outer membrane

View Answer

A. Stroma

Which of the following combination is an example of self replicating organelles?

Options:

• A. Mitochondria Ribosomes
• B. Mitochondria Nucleus
• C. Mitochondria Chloroplast?
• D. Mitochondria Vacuole

View Answer

C. Mitochondria Chloroplast

In golgi apparatus the maturing face is____________?

Options:

• A. Biconcave
• B. Convex
• C. Spherical
• D. Concave

View Answer

D. Concave

Extreme change in pH results in______________?

Options:

• A. Change in ionization of amino acids at the active site of the enzyme
• B. Change in the ionization of the substrate
• C. Denaturation of the enzyme
• D. Increase in the reaction rate

View Answer

C. Denaturation of the enzyme

60S and 40S subunit combine to form ________ particle.

Options:

• A. 100 S
• B. 90 S
• C. 80 S
• D. 70 S

View Answer

C. 80 S

The one which is present in all living things is ___________?

Options:

• A. Cell nucleus
• B. DNA or RNA
• C. Cell membrane
• D. Vacuole

View Answer

B. DNA or RNA

____________% of Glucose normally present in our blood is?

Options:

• A. 0.80%
• B. 0.08%
• C. 1.80%
• D. 8%

View Answer

B. 0.08%