21.

Which of the following is the correct sequence of development of erthrocytes?

• Erythrocytes $\to$ Normoblasts $\to$ Erythroblasts $\to$ Reticulocytes

• Erythroblasts $\to$ Normoblasts $\to$ Reticulocytes $\to$Erythrocytes

• Erythroblasts $\to$ Reticulocytes $\to$ Erythrocytes $\to$Normoblasts

• Normoblasts $\to$ Erythroblasts $\to$ Erythrocytes $\to$Reticulocytes

Which of the following characteristic is not seen in a person suffering from schizoprenia?

• Auditory hallucinations

• Split personality

• False beliefs

• Lack of motivation

A feature of peroxisome in our body is

• they are associated with synthesis and storage of lipids

• they contain oxidising enzymes and promotes gluconeogenesis

• they contain oxygenase a detoxification enzyme

• they are not found in intact cells

Elevated blood levels of certain enzymes suggest a related disease. Match the enzyme in column I with related disease in column II

• A - 1; B - 2; C - 3; D - 4

• A - 4; B - 3; C - 2; D - 1

• A - 3; B - 4; C - 1; D - 2

• A - 4; B - 1; C - 3; D - 2

Utriculus of internal ear is

• lower chamber related with equilibrium

• lower chamber related with receiving sound waves

• upper chamber related with receiving sound waves

• upper chamber related with equilibrium

The most appropriate definition of neuroglial cells are

• non-sensory and supporting cells

• secretory cells

• sensory and supporting cells

• non-sensory supporting or secretory cells

Thousand of years old mummies are still in their condition as they were before due to some reason. Which of the following describe it the best?

• Due to non-destruction of yellow elastin fibre

• Due to non-destruction of white elastin fibre

• Due to non-destruction of collagen fibre

• Due to non-destruction of veins

Statements I:- Buffer is a compound that destabilises the pH of solution by removing or releasing hydrogen ions.

Statement II:- Human blood has a buffer solution. Its pH is maintained by HCO₃^-, H⁺ ions and CO₂ concentration.

Choose the correct option.

• Statement I is correct but II is incorrect

• Statement II is correct but I is incorrect

• Both statement are correct

• Both statement are incorrect

Which among the following statements is correct with respect to functional structure of glomerular membrane?

I. The endothelium is perforated by small holes called fenestral.

II. The basement membrane is present inside the endothelium and is composed of meshwork of collagen.

III. The epithelium of visceral layer has cells, which are of peculiar shape and are called podocytes.

IV. The shapes between pedicels are called slit pores through which glomerular filterate filters.

Choose the correct option

• I, II and III

• I, III and IV

• I, II and IV

• II, III and IV

Which of the following is true for blood doping?

• It is same as blood profiling

• It is the transfer of blood from another person having same blood group

• It is transfer of once own blood to increase the haemoglobin content to carry out more oxygen

• It is doping of blood with ions and chemicals to purify it