Search SchoolNGR

Biology Past Questions and Answers

Waec Biology Questions

Question 221:

Which of the following explains the term pyramid of numbers?

SchoolNGR Classroom

A The number of organisms in a trophic level
B The relationship between plants in different trophic levels
C The number of saprophytes and parasites in a habitat
D The number of predators in a habitat
E Progressive decrease in the number of individuals from lower to higher trophic level

View Answer & Explanation

Question 222:

In which of the following processes is carbondioxide not given out?

SchoolNGR Classroom

A Respiration in plants
B Decay of organism
C Burning of organic matter
D Burning of fuels
E During photosynthesis

View Answer & Explanation

Question 223:

Sea water taken in by a living organism can berecycled into the atmosphere through all the following processes except

SchoolNGR Classroom

A Sewage
B Industrial wastes
C Fertilizers
D Crude oil

View Answer & Explanation

Question 224:

Which of the following is not an adaptation of plants or animals to desert environment?

SchoolNGR Classroom

A Well developed tap root system
B Small leaves with thick epidermis
C Stems with spike-like leaves
D Metabolic waste in the form of uric acid in some animals
E Broad leaves for storage

View Answer & Explanation

Question 225:

Which of the following is not an adaptation of plants or animals to desert environment?

SchoolNGR Classroom

A Well developed tap root system
B Small leaves with thick epidermis
C Stems with spike-like leaves
D Metabolic waste in the form of uric acid in some animals
E Broad leaves for storage

View Answer & Explanation

Stay Updated

Follow us on:

Subjects