The three boxes in this diagram represent the three major biosynthetic pathways in aerobic net reactant or products



Arrows numbered 4, 8 and 12 can all be

• NADH

• ATP

• H₂O

• H₂O

The characteristics and an example of a  synovial joint in humans is

• Characteristics	Examples
  Fluid cartilage between two bones, limited movements	Knee joints

• Characteristics	Examples
  Fluid filled between two joints, provides cushion	Skull bones

• Characteristics	Examples
  Fluid filled synovial cavity between two bones	Joint between atlas and axis

• Characteristics	Examples
  Fluid filled synovial cavity between two bones	Joint between atlas and axis

A pregnant female delivers a baby, who suffer from stunted growth, mental retardation low intelligence quotient and abnormal skin. This is the result of 

• deficiency of iodine in diet

• low secretion of growth hormone

• cancer of the thyroid glad

• cancer of the thyroid glad

Which one of the following organelle in the figure correctly matches with its function?

• Rough endoplasmic reticulum, formation of glycoproteins

• Golgi apparatus, protein synthesis

• Golgi apparatus, formation of glycolipids

• Golgi apparatus, formation of glycolipids

The eyes of Octopus and eyes of cat show different patterns of structure, yet they perform a similar function. This is an example of 

• homologous organs that have evolved due to convergent evolution

• homologous organs that have evolved due to divergent evolution

• analogous organs that have evolved due to convergent evolution

• analogous organs that have evolved due to convergent evolution

A senentary sea anemone gets attached to the shell lining of hermit crab. The association is 

• ectoparasitism

• symbiosis

• commensalism

• commensalism

A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics

• Telophase

  Nuclear envelope reforms, Golgi  complex reforms

  
  
  
  
  

• Late anaphase

  Chromosomes move away from equatorial plate, Golgi complex not present

• Cytokinesis

  Cell plate formed, Mitochondria distributed between  two daughter cells

• Cytokinesis

  Cell plate formed, Mitochondria distributed between  two daughter cells

Which of the following statement is correct in relation to the endocrine system?

• Adenohypophysis is under the direct neural regulation of the hypothalamus.

• Organs in the body like gastrointestinal tract, heart, kidney and live

• Non-nutrient chemicals produced by the body in trace amount that acts as intercellular messengers are known as hormones.

• Non-nutrient chemicals produced by the body in trace amount that acts as intercellular messengers are known as hormones.

Select the correct statement with respect to locomotion in humans

• A decreased level of progesterone cause osteoporosis in old people

• Accumulation of uric acid crystals in joints causes their inflammation.

• The vertebral column has 10 thoracic

• The vertebral column has 10 thoracic

The cell -mediated immunity inside the human body is carried out by

•  T- lymphocytes

• B - lymphocytes

• thrombocytes

• thrombocytes