Search SchoolNGR

Biology Past Questions and Answers

[share]

Waec Biology Questions

Question 1426:

Squirrels easily kill some trees because

SchoolNGR Classroom

A They inject poisonous substances into the trees.
B Most trees are susceptible to squirrel bites
C They feed voraciously on the roots
D They gnaw the bark and destroy

View Answer & Explanation

Question 1427:

The major role played by accessory pigments during photosynthesis is
the phloem.
to

SchoolNGR Classroom

A Add colour to plants but not to trap light energy
B Trap light energy that chlorophyll cannot absorb
C Transfer energy from chlorophyll to other pigments
D Prevent chlorophyll from absorbing unnecessary light

View Answer & Explanation

Question 1428:

The main raw materials required for photosynthesis are

SchoolNGR Classroom

A Oxygen and water
B Oxygen and carbon dioxide.
C Oxygen and chlorophyll
D Carbon dioxide and water

View Answer & Explanation

Question 1429:

What is the benefit of thunder and lightning to farmers?

SchoolNGR Classroom

A Addition of nitrates to the soil
B Aeration of the soil
C Removal of harmful bacteria from the soil
D Addition of rain water to the soil

View Answer & Explanation

Question 1430:

Which of the following substances must be present in the soil for growth of a healthy green plant?

SchoolNGR Classroom

A Amino acids
B Carbon
C Glucose salts
D Magnesium ions

View Answer & Explanation

Stay Updated

Follow us on:

Subjects