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Exploring the Wonders of Biology

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Sel adalah?

a)

tissue

b)

organ

c)

cell

d)

Sel

2.

What process do plants use to convert sunlight into energy?

a)

Fermentation

b)

Respiration

c)

Photosynthesis

d)

Transpiration

3.

What is the function of the mitochondria?

a)

To synthesize proteins for the cell.

b)

To store genetic information for the cell.

c)

To regulate cell division and growth.

d)

The function of the mitochondria is to produce energy (ATP) for the cell.

4.

What are the four main types of macromolecules?

a)

Sugars, Starches, Proteins, Fats

b)

Vitamins, Minerals, Water, Fiber

c)

Carbohydrates, Proteins, Lipids, Nucleic Acids

d)

Enzymes, Hormones, Antibodies, Glycogen

5.

What is the role of DNA in living organisms?

a)

DNA is the genetic material that encodes the instructions for the development and functioning of living organisms.

b)

DNA is responsible for energy production in cells.

c)

DNA is the primary source of nutrients for organisms.

d)

DNA acts as a catalyst for chemical reactions.

6.

What is natural selection?

a)

Natural selection is the belief that species do not change over time.

b)

Natural selection is the process of random genetic mutations.

c)

Natural selection is the process by which organisms that are better adapted to their environment tend to survive and reproduce.

d)

Natural selection is the method by which all organisms are equally likely to survive.

7.

What is the difference between prokaryotic and eukaryotic cells?

a)

Prokaryotic cells can be multicellular; eukaryotic cells are unicellular.

b)

Eukaryotic cells are always smaller than prokaryotic cells.

c)

Prokaryotic cells have a nucleus; eukaryotic cells do not.

d)

Prokaryotic cells do not have a nucleus or membrane-bound organelles; eukaryotic cells do.

8.

What is the function of ribosomes in a cell?

a)

The function of ribosomes in a cell is to synthesize proteins.

b)

To store genetic information

c)

To transport nutrients within the cell

d)

To produce energy for the cell

9.

What are the stages of cellular respiration?

a)

Glycolysis, Lactic Acid Cycle, Citric Acid Cycle

b)

Photosynthesis, Fermentation, Calvin Cycle

c)

Glycolysis, Krebs Cycle, Electron Transport Chain

d)

Krebs Cycle, Glycolysis, Light Reactions

10.

What is the significance of the cell membrane?

a)

The cell membrane acts as a food storage unit.

b)

The cell membrane is responsible for DNA replication.

c)

The cell membrane is significant for regulating substance movement, maintaining homeostasis, providing protection, and enabling cell communication.

d)

The cell membrane is solely for energy production.

11.

What is an ecosystem?

a)

A single species of animal in a habitat

b)

A type of weather pattern

c)

An ecosystem is a community of living organisms and their physical environment interacting as a system.

d)

A collection of plants in a garden

12.

What are the different levels of ecological organization?

a)

Climate, Weather, Geography

b)

Species, Habitat, Niche

c)

Food Chain, Trophic Level, Ecosystem

d)

Organism, Population, Community, Ecosystem, Biome, Biosphere

13.

What is the role of enzymes in biological reactions?

a)

Enzymes decrease the temperature of biological reactions.

b)

Enzymes provide energy for biological reactions.

c)

Enzymes are consumed in the reactions they catalyze.

d)

Enzymes speed up biological reactions by lowering activation energy.

14.

What is the difference between mitosis and meiosis?

a)

Mitosis produces two identical cells; meiosis produces four genetically diverse gametes.

b)

Mitosis and meiosis both produce two identical cells.

c)

Mitosis produces four genetically diverse gametes; meiosis produces two identical cells.

d)

Mitosis produces four identical cells; meiosis produces two genetically identical gametes.

15.

What is homeostasis and why is it important?

a)

Homeostasis is the regulation of internal conditions in organisms, crucial for survival and optimal functioning.

b)

Homeostasis is the ability to grow and reproduce.

c)

Homeostasis is the process of external environmental changes.

d)

Homeostasis refers to the movement of organisms from one place to another.