Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 1291:

  In an ecosystem, the organism which changes light energy into stored chemical energy is the

  Options:
  A) Consumer
  B) Producer
  C) Decomposer
  D) Carnivore
  Show Answer
  The correct answer is B .
• Question 1292: In a saprophyte, sex organs are produced in the Options:
  A) Gamotrophyte
  B) Rhizoid
  C) Protonema
  D) Sporopyte
  Show Answer
  The correct answer is C .
• Question 1293: All the following are digestive enzymes except Options:
  A) bile
  B) lipase
  C) maltase
  D) pepsin
  E) ptyalin
  Show Answer
  The correct answer is A .
• Question 1294: When a virus is placed in a nonliving medium it Options:
  A) becomes dehydrated
  B) forms spores
  C) forms flagella
  D) becomes crystallized
  Show Answer
  The correct answer is D .
• Question 1295: Which of the following sequences represents process of blood clothing? 1. Fibrins forms a network of threads 2. Red blood cells are caught and clot is formed 3. Fibrinogen in plasma changes into fibrin 4. Blood is exposed to air Options:
  A) 4, 3, 2, 1
  B) 4, 3, 1, 2
  C) 3, 1, 4, 2
  D) 1, 2, 3, 4
  E) 3, 1, 2, 4
  Show Answer
  The correct answer is B .
• Question 1296:

  Ecological Zone	Temperature (oC)	Rainfall (mm)
  I	45	300
  II	32	2000
  III	30	2200
  IV	15	800

  From the table above which of the zones is likely to be desert?

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is A .
• Question 1297: Denitrifying bacteria in nature liberate gaseous nitrogen directly from Options:
  A) ammonium salts
  B) soil nitrates
  C) thunderstorms
  D) soil nitrites
  E) plant and animal proteins
  Show Answer
  The correct answer is B .
• Question 1298:

  In Nigeria, Southern Guinea Savanna is found in?

  Options:
  A) Borno and Sokoto
  B) Kogi and Kwara
  C) Kaduna and Cross River
  D) Kano and Niger
  Show Answer
  The correct answer is B .
• Question 1299: In man, spermatozoa are never found in the Options:
  A) testis
  B) urethra
  C) epididymis
  D) prostrate glands
  E) vas deferens
  Show Answer
  The correct answer is D .
• Question 1300:

  Which of the following statement describes an autonomic nervous system

  Options:
  A) It always stimulates effectors
  B) Activities are voluntary
  C) It dials with external stimuli and their responses
  D) It affects glands, cardia muscles and smooth muscles
  Show Answer
  The correct answer is D .