Urine is concentrated in

• kidney

• deamination

• arginine

•  Omithine

Trochophore is the larva of

• Neopilina

• Chiton

• Pila

• All of these

Which one is single membrane cell organelle

• Endoplasmic reticulam

• Mitochondria

• Lysosomes

• Chloroplast

chloragogen cells help in 

• respiration

• reproduction

• circulation

• nutrition

Which leaves the liver and moves towards kidney

• Ammonia

• Urea

• Glycogen

• Bile

Which is gonadotropin hormone

• GH

• MSH

• ADH

• FSH and LH

Cell membrane in animals is composed mainly of the molecule of

• lipids

• proteins

• lipids and proteins

• carbohydrates

'Sea fan' belongs to

• Coelenterata

• Porifera

• Echinodermata

• Mollusca

Major nitrogenous waste product in ureotelic animals like rabbit and other mammals is

• uric acid

•  urea

•  ammonia

• amino acids

Food storage in Leucosolenia occur by

• ostia

• osculum

• thesocyte

• spongocoel