31.

A person is having problems with calcium and phosphorus metabolism in his body. Which one of following glands may not be functioning properly?

• Parathyroid

• Parotid

• Pancreas

• Pancreas

What is true about Nereis, Scorpion, Cockroach and Silver fish?

• They all have jointed paired appendages

• They all possess dorsal heart

• None of them is aquatic 

• None of them is aquatic 

Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be

• Movement of water from cell B to A

• No movement of water

• Equilibrium between the two

• Equilibrium between the two

Which one of the following elements is not an essential micronutrient for plant growth?

• Mn

• Zn

• Cu

• Cu

Which one of the following statements about mycoplasma is wrong?

• They are also called PPLO

• They are pleomorphic

• They are sensitive to pencillin

• They are sensitive to pencillin

Select the wrong statement from the following:

• Both chloroplasts and mitochondria contain an inner and an outer membrane

• Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by teh thylakoid membrane

• Both chloroplasts and mitochondria contain DNA

• Both chloroplasts and mitochondria contain DNA

Bowman’s glands are located in the

• proximal end of uriniferous tubules

• anterior pituitary

• female reproductive system of cockroach

• female reproductive system of cockroach

Compared to a bull a bullock is docile because of

• higher levels of thyroxin

• higher levels of cortisone

• lower levels of blood testosterone

• lower levels of blood testosterone

All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is

• lactate dehydrogenase

• isocitrate dehydrogenase

• malate dehydrogenase

• malate dehydrogenase

Which one of the following pairs of structures distinguishes a nerve cell from other types of cells?

• perikaryon and dendrites

• vacuoles and fibres

• flagellum and modulloary sheath

• flagellum and modulloary sheath