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Exploring the Branches of Biology

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is the basic unit of life in all living organisms?

a)

Tissue

b)

Organ

c)

Organism

d)

Cell

2.

Which organelle is known as the powerhouse of the cell?

a)

Mitochondria

b)

Nucleus

c)

Chloroplast

d)

Ribosome

3.

What is the process by which DNA is copied to RNA called?

a)

Transcription

b)

Translation

c)

Mutation

d)

Replication

4.

What is the term for different forms of a gene?

a)

alleles

b)

genes

c)

chromosomes

d)

nucleotides

5.

What is the primary function of ribosomes in a cell?

a)

The primary function of ribosomes is to synthesize proteins.

b)

To generate energy for cellular processes

c)

To store genetic information

d)

To transport nutrients across the cell membrane

6.

What is the study of heredity and the variation of inherited characteristics?

a)

Genetics

b)

Ecology

c)

Anatomy

d)

Biology

7.

What is the role of chlorophyll in photosynthesis?

a)

Chlorophyll absorbs light energy for photosynthesis.

b)

Chlorophyll converts carbon dioxide into glucose.

c)

Chlorophyll is responsible for water absorption.

d)

Chlorophyll releases oxygen during photosynthesis.

8.

What is the term for a symbiotic relationship where both species benefit?

a)

Commensalism

b)

Parasitism

c)

Predation

d)

Mutualism

9.

What is the main difference between prokaryotic and eukaryotic cells?

a)

Prokaryotic cells lack a nucleus; eukaryotic cells have a nucleus.

b)

Eukaryotic cells are smaller than prokaryotic cells.

c)

Prokaryotic cells have a nucleus; eukaryotic cells lack a nucleus.

d)

Prokaryotic cells contain membrane-bound organelles; eukaryotic cells do not.

10.

What is the process by which organisms better adapted to their environment tend to survive and produce more offspring?

a)

Evolutionary adaptation

b)

Genetic mutation

c)

Species extinction

d)

Natural selection

11.

What is the scientific study of fungi called?

a)

Entomology

b)

Mycology

c)

Zoology

d)

Botany

12.

What is the term for the variety of life in the world or in a particular habitat?

a)

biodiversity

b)

species richness

c)

habitat

d)

ecosystem

13.

What is the function of the cell membrane?

a)

The cell membrane provides energy for cellular processes.

b)

The cell membrane regulates the movement of substances in and out of the cell.

c)

The cell membrane is responsible for protein synthesis.

d)

The cell membrane stores genetic information.

14.

What is the process by which bacteria reproduce asexually?

a)

Budding

b)

Fragmentation

c)

Binary fission

d)

Spore formation

15.

What is the term for the maximum population size that an environment can sustain?

a)

Ecological footprint

b)

Population density

c)

Biodiversity index

d)

Carrying capacity

16.

What is the primary role of the roots in a plant?

a)

To provide shade for the plant

b)

To anchor the plant and absorb water and nutrients.

c)

To store energy for photosynthesis

d)

To produce flowers and fruits

17.

What is the genetic makeup of an organism called?

a)

Phenotype

b)

Chromosome

c)

Allele

d)

Genotype

18.

What is the term for the movement of individuals into a population?

a)

Immigration

b)

Transmigration

c)

Emigration

d)

Migration

19.

What is the process by which plants convert sunlight into chemical energy?

a)

Transpiration

b)

Respiration

c)

Photosynthesis

d)

Fermentation

20.

What is the study of interactions between organisms and their environment called?

a)

Geology

b)

Ecology

c)

Biology

d)

Meteorology