Jamb 2021 Biology Questions
Question 11:
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 12:
Which of the following produces both hormones and enzymes?
- A Ileum
- B Pancreas
- C Gall bladder
- D Kidney
Question 13:
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 14:
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 15:
The correct sequence for the perception of smell in mammals is?
- A Chemicals --> olfactory nerve endings --> brain
- B Dissolved chemicals --> nasal sensory cells --> brain
- C Chemicals --> mucus membrane sensory cells --> brain
- D Dissolved chemicals --> sensory cells --> olfactory nerve --> brain