Which one out of (a) to (d) given below correctly represents the structural formula of the basic amino acid?

32.

Which one of the following structural formula of two organic compounds is correctly identified along with its related function?

• B-uracil – a component of DNA

• A-triglyceride – major source of energy

• A-lecithin – a component of cell membrane

• B-adenine – a nucleotide that makes up nucleic

 Lactose is composed of

• Glucose + Glucose

• Glucose + Galactose

• Glucose + Fructose

• Fructose + Galactose

Deficiency of vitamin -B₁₂ causes

• Cheilosis

• Thalassemia

• Beri-Beri

• Pernicious Anaemia

Nucleotides are formed by

• purine, sugar and phosphate

• purine, pyrimidine and phosphate

• purine, pyrimidine sugar and phosphate

• pyrimidine, sugar and phosphate

The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of

• Lignified thick walls

• Cohesion and adhesion

• Weak gravitational pull

• Transpiration pull

Match the enzyme in column I with its function in column II and choose the correct option.

Column I	Column II
A. Beta-Galactosidase	1. Joining of DNA fragments
B. Permease	2. Peptide Bond Formation
C. Ligase	3. Hydrolysis of Lactose
D. Ribozyme	4. Increases permeability to Beta-galactosidase

• A-2, B-1, C-4, D-3

•  A-3, B-2, C-1, D-4

• A-2, B-4, C-1, D-3

•  A-1, B-2, C-4, D-3

Which of the following represent uridylic acid?

• Uracil + Ribose

• Uridine + Phosphoric acid

• Uracil + Phosphoric acid

• Uridine + Ribose + Phosphoric acid

Consider the following statements with two blanks X and Y and select the option which correctly fills up these blanks.

In the centre of the intervertebral disc, a soft area is present called ….X….....

Which is supposed to be remnant of …. Y....

• X-Nucleus pulposus ,         Y-Nerve cord

• X-Centrum,         Y-Noto cord

• X-Nucleus pulposus,         Y-Noto cord

•  X-Centrum,         Y-Nerve cord

Given below is the chemical formula of

• Palmitic Acid

• Glycerol

• Galactose

• Stearic acid