Jamb Biology Past Questions For Year 2021
Question 26
The order of passage of food in the digestive system is
- A. ileum --> caecum ->large intestine -> rectum
- B. ileum --> colon --> caecum -> rectum
- C. large intestine --> ileum -> caecum -> rectum
- D. colon -> caecum -> ileum -> rectum
Question 27
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
Question 28
Which of the following produces both hormones and enzymes?
- A. Ileum
- B. Pancreas
- C. Gall bladder
- D. Kidney
Question 29
I. Rattus rattus. Il. Agama agama III. Bufo regularis IV. Tilapia zillii
The order of evolutionary advancement of the above vertebrates is?
- A. I, II, III, IV
- B. I, IV, III, II
- C. II, III, IV, I
- D. IV, III, II, I
Question 30
The two key cations involved in the action potential of nervous transmissions are?
- A. Na+ and Fe2+
- B. Mg2+ and K+
- C. Na+ and K+
- D. Fe2+ and Mg2+