Uricotelic mode of passing out nitrogenous wastes is found in

• birds and annelids

• amphibians and reptiles

• insects and amphibians

• insects and amphibians

When a neurone is a resting state, ie, not conducting any impulse, the axonal membrane is 

• equally permeable to both Na⁺ and K⁺ ions

• impermeable to both Na⁺ and K⁺ ions

• comparatively more permeable to K⁺ ions and nearly impermeable to Na⁺ ions

• comparatively more permeable to K⁺ ions and nearly impermeable to Na⁺ ions

The cork cambium, cork and secondary cortex are collectively called

• Phellogen

• Periderm

• phellem

• phellem

The curve given below shows enzymatic activity with relation to three conditions (pH, temperature and substrate concentration)

What do the two axises (X and Y) represent?

• X –axis	Y-axis
  Temperature	Enzyme activity

• X –axis	Y-axis
  Substrate concentration	enzymatic activity

• X –axis	Y-axis
  enzymatic activity	temperature

• X –axis	Y-axis
  enzymatic activity	temperature

• A	B	C
  Placenta	Insulin	Vasopressin

• A	B	C
  Ovary	Insulin	Calcitonin

• A	B	C
  Placenta	Glucagon	Calcitonin

• A	B	C
  Placenta	Glucagon	Calcitonin

One very special feature in the earthworm pheretima is that

• the typhlosole greatly increases the effective absorption area of the digested food in the intestine

• the S- shaped setae embedded in the integument are the defensive weapons used against the enemies

• It has a long dorsal tubular heart

• It has a long dorsal tubular heart

Which one of the following is wrongly matched?

• Puccinia - Smut

• Root - Exarch protoxylem

• Cassia - Imbricate aestivation

• Cassia - Imbricate aestivation

The ovary is half inferior in flowers of 

• cucumber

• cotton

• guava

• guava

Which one of the following statements is correct with respect to kidney function regulation?

• Exposure to cold temperature stimulates ADH release

• An increase in glomerular blood flow stimulates formation of angiotensin II

• During summer when body loses lot of water by evaporation, the release of ADH is suppressed

• During summer when body loses lot of water by evaporation, the release of ADH is suppressed

A prokaryoticv autotrophic nitrogen-fixing symbiont is found in 

• Cycas

• Cicer

• Pisum

• Pisum