EXCRETION

Q1) Unwanted substances excreted by plants are:

A) Uric acid

B) Ammonia

C) Latex

D) Urea

Q2) Solid crystalline substance called uric acid excreted as Solid waste in:

A) Insects

B) Planty helminthes

C) Vertebrates

D) Annelids

Q3) Nephrons are connected with:

A) Respiratory system

B) Nervous system

C) Circulatory system

D) Excretory system

Q4) Which of the following substance is completely reabsorbed from the filtrate in the renal tubule under the normal condition:

A) Glucose

B) Urea

C) Water

D) Salt

Q5) The flame cell system is found in:

A) Cockroach

B) Earthworm

C) Planaria

D) Vertebrates

Q6) Conical Projections in the I.S of kidney’s is called:

A) Nephrons

B) Medulla

C) Pyramids

D) Pelvis

Q7) In a healthy person liters of blood plasma is filtered by the nephrons each day:

A) 150 liters

B) 180 liters

C)120 liters

D) 80 liters

Q8) Which of the following is part of the kidney?

A) Ileum

B) Seminiferous tubule

C) Atrium

D) Pelvis

Q9) The Urinary system of humans depends upon:

A) Kidney

B) Ureter

C) Urinary bladder

D) All of these

Q10) In Amoeba ammonia diffuse out through:

A) Mitochondria

B) Golgi complex

C) Nucleus

D) Cell membrane

Q11) The part of nephridium which opens into the body cavity by a cillited funnel is called:

A) Nephridiopore

B) Nephrostome

C) Bowman’s capsule

D) Mouth

Q12) The type of activity in which the smaller substance combine to build up the more complex ones is called:

A) Anabolism

B) Respiration

C) Reproduction

D) Metabolism

Q13) The blood filtered through the:

A) Bowman’s capsule

B) Glomerulus

C) Loop of Henle

D) Renal Tubule

Q14) Malpighian tubules empty waste into:

A) Gut

B) Coelom

C) Lymph

D) Ureter

Q15) The flame cell system is found in:

A) Cockroach

B) Earthworm

C) Planaria

D) Vertebrates

Q16) The metabolic waste products are removed by Amoeba chiefly through the:

A) Contractile Vacuole

B) Cell surface

C) Food vacuole

D) Excretory canals

Q17) Nephrons are connected with:

A) Respiratory system

B) Nervous system

C) Circulatory system

D) Excretory system

Q18) In earthworm the number of Naphridia in each segment is about:

A) Two

B) Five

C) Three

D) Nine

Q19) The name of common mineral salt present in salt is:

A) Calcium oxalate

B) Potassium sulphate

C) Sodium chloride

D) Iron sulphate

Q20) The nitrogen part is removed by Amoeba chiefly through the:

A) NO₂

B) NO₃

C) HNO₃

D) NH₂

Q21) The metabolic waste products are removed by Amoeba chiefly through the:

A) Excretory canal

B) Food vacuole

C) Cell surface

D) Contractile vacuole

Q22) Anus is present on?

A) Oral surface

B) Aboral surface

C) Anterior surface

D) Lower surface

Q23) Urea is mainly synthesized in:

A) Liver

B) Blood

C) Kidney

D) Nephrons

Q24) The chief nitrogenous waste in cockroach is:

A) Ammonia