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 71: 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 72:

  A universal recipient of blood belongs to blood group?

  Options:
  A) O
  B) AB
  C) B
  D) A
  Show Answer
  The correct answer is B .
• Question 73: In the egg of a bird, the embryo is located in the Options:
  A) Yolk
  B) Embryo disc IV
  C) Chalaza
  D) Albumen
  Show Answer
  The correct answer is A .
• Question 74: The vascular tissues in higher plants are responsible for Options:
  A) the movement of food and water
  B) suction pressure
  C) transpiration pull
  D) the transport of gases and water
  Show Answer
  The correct answer is A .
• Question 75: The importance of the mouth-brooding behaviour in Tilapia is that it Options:
  A) helps in keeping the young fish warm
  B) affords protection from predation for the young fish
  C) helps the fish to live in a social group
  D) provides regurgitated nourishment to the young fish
  Show Answer
  The correct answer is B .
• Question 76: The enzyme that is present in the saliva is Options:
  A) rennin
  B) lipase
  C) pepsin
  D) ptyalin
  Show Answer
  The correct answer is D .
• Question 77: In an ecosystem, animals which feed directly on plants are called Options:
  A) secondary consumers
  B) primary consumers
  C) producers
  D) predators
  Show Answer
  The correct answer is B .
• Question 78: During binary fission in lower organisms, the nucleus is known to undergo Options:
  A) mitosis
  B) meiosis
  C) fragmentation
  D) mutation
  Show Answer
  The correct answer is A .
• Question 79: The spores of ferns are dispersed by Options:
  A) wind
  B) water
  C) insects
  D) explosive mechanism
  E) sporophyte
  Show Answer
  The correct answer is D .
• Question 80: If you cross breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be Options:
  A) 2:1
  B) 1:2
  C) 1:1
  D) 1:3
  E) 3:1
  Show Answer
  The correct answer is C .