Biology 2021 JAMB Past Questions

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The two key cations involved in the action potential of nervous transmissions are?

I. Rattus rattus. Il. Agama agama III. Bufo regularis IV. Tilapia zillii
The order of evolutionary advancement of the above vertebrates is?

Which of the following produces both hormones and enzymes?

The correct sequence of the movement of urea during urine formation is?

A. glomerulus ---> Bowman's capsule -> convoluted tubule ---> Henle's loop -> collecting- tubule
B. glomerulus -> Bowman's capsule -> convoluted tubule -> Henle's loop -> convoluted tubule -> collecting tubule
C. convoluted tubule -> glomerulus --> Nettle's loop -> Bowman's capsule->collecting tubule
D. convoluted tubule -> Bowman's capsule -> Henle's loop -7> glomerulus -> collecting tubule

The order of passage of food in the digestive system is