WorksheetsLife Science (Week 4)
Total questions: 10
Worksheet time: 4mins
Of the 4 general types of biological molecules, proteins, carbohydrates, lipids and nucleic acids, which one typically accounts for the majority of dietary calories in the human diet?
(a)
Starch and glycogen are polymers of what simple sugar?
(a)
An intracellular substance is so named because it is located in which of the following places:
W) inside and outside of cells
X) underneath cells
Y) outside of cells
Z) within cells
What process involves a nucleated cell doubling its DNA and duplicating chromosomes so the cell can then divide and produce two identical daughter cells?
(a)
What are the most photosynthetic organs of most higher plants?
(a)
What higher plant cell organelle is responsible for using sunlight to convert carbon dioxide and water into sugar and oxygen?
(a)
To which of the following categories of living organisms does E. coli belong:
W) viruses
X) protozoans
Y) fungi
Z) bacteria
What outer structure possessed by plant cells protects them from environmental changes and helps them maintain their shape during stress and times of water loss?
(a)
Which of the following is the most basic function of human eye lashes:
W) to shade the eye from bright sun
X) to prevent small particles from entering the eyes
Y) to attract a mate
Z) to help disperse tears when blinking
What molecule is released from muscles as a waste product, transported to the lungs in blood, and exhaled as a gas?
(a)
