Glycolipids and glycoproteins have structural role in the ______________ matrix of animal and bacterial cell?

A. Extracellular
B. Intracellular
C. Both of these
D. Glucose

The cells present in testes and secrete testosterone are___________?

A. Sertoli cells
B. Germinal cell
C. Interstitial cells
D. Spermatocyte

In Cx(H2O)y x ranges from______________?

A. 1 to 3 thousand
B. 3 to many thousand
C. 3 to 5 thousand
D. 5 to 9 thousand

Exposure to low temperature stimulates plants to flower. This is called___________?

A. Photoperiodism
B. Thermotropism
C. Vernalisation
D. Thermoregulation

The basic structural unit of a chromosome is____________?

A. The centromere
B. Nuceleosome
C. Telomere
D. Histone

In living organisms the lubricant which provides protection against damage resulting from friction is___________?

A. Carbohydrates
B. Fatty acid
C. Water
D. Protein

The first stage of development in which a cavity appears is the__________?

A. Neurula
B. Morula
C. Gastrula
D. Balastula

The trioses which are intermediate in respiration and photosynthesis are_______________?

A. Glyceraldehydes
B. Dihydroxy acetone
C. Both of these
D. None of these

The one which causes contraction of wall of the uterus during and after birth?

A. Adh
B. Msh
C. Oxytocin
D. Progesterone

The monosaccharide found in some bacteria and occurring rarely are______________?

A. Trioses
B. Hexoses
C. Tetroses
D. Pentoses