A:-Prostaglandins
B:-Cerebrosides
C:-Gangliosides
D:-Sphingomyelins
Correct Answer:- Option-A

Question15:-The Watson-Crick model of DNA is based on X-ray diffraction data
provided by

A:-James Watson and Francis Crick

B:-Rosalind Franklin and Maurice Wilkins

C:-Oswald Avery, Colin MacLeod and Maclyn McCarty
D:-Erwin Chargaff

Correct Answer:- Option-B

Question16:-Select the correct statement from the following.

(i) In competitive inhibition, inhibiters bind to the active site of the enzyme.

(ii) Competitive inhibition can be overcome by a sufficiently high concentration of
substrate.

(iii) Noncompetitive inhibition cannot be overcome by increasing the substrate
concentration.

A:-(i) and (ii)

B:-(ii) and (iii)

C:-(iii) only

D:-(i, ii and iii)

Correct Answer:- Option-D

Question17:-Flowering can be induced in some plants by a cold treatment given to
a hydrated seed or to a growing plant. The process is known as

A:-Photoperiodism

B:-Temperature compensation

C:-Vernalization

D:-Floral evocation

Correct Answer:- Option-C
Question18:-The synthesis of sugars through the reversal of glycolysis is called

A:-Gluconeogenesis

B:-Glycogenesis

C:-Glycogenolysis

D:-Pentose phosphate pathway

Correct Answer:- Option-A

Question19:-Carrier proteins that transport a single type of molecule down its
concentration gradient via facilitated diffusion are called