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Biology for IGCSE & O level - Characteristics And Classification Of Living Organisms (Section 2)

1
What is the main difference between sexual and asexual reproduction?
Answer
(A)
Sexual reproduction involves two parents, asexual reproduction involves one.
2
Which of the following are functions of the skeletal system?
Answer
A
B
C
D
3
Which of the following is an example of a monocotyledon?
Answer
(C)
Corn
4
Which part of a flowering plant's shoot is responsible for bearing buds and flowers?
Answer
(A)
Stem
5
What does a dichotomous key use to help identify a specimen?
Answer
(C)
Paired statements with contrasting characteristics
6
Which of the following is a key characteristic of amphibians?
Answer
(B)
Are cold-blooded
7
Which of the following structures are present in a plant cell but NOT in an animal cell?
Answer
A
B
8
Which of the following describes the process by which a cell releases large particles?
Answer
(B)
Exocytosis
9
In which process do plants convert light energy into chemical energy?
Answer
(C)
Photosynthesis
10
Which of the following is a characteristic that distinguishes birds from other vertebrates?
Answer
(B)
Being warm-blooded
11
Which of the following are the main features of plants?
Answer
A
B
D
12
Which of the following best describes the role of the phloem in a plant?
Answer
(B)
Transporting sugars produced in the leaves to other parts of the plant
13
Which of the following is a characteristic of reptiles?
Answer
(C)
Lay amniotic eggs
14
Which of the following are true about bacteria?
Answer
A
C
D
15
Which of the following is a characteristic of all living organisms?
Answer
(B)
The ability to reproduce
16
Which of the following is NOT a characteristic of flowering plants?
Answer
(C)
Reproducing by spores
17
Which of the following statements is true regarding ferns?
Answer
(C)
Ferns have xylem and phloem.
18
Which of the following processes are common to all living organisms?
Answer
A
B
D
19
Which of the following are features of the arthropod group, Arachnida?
Answer
B
C
20
Which of the following is the main function of the stomata in plants?
Answer
(B)
Gas exchange
21
What is the function of the lysosome in a cell?
Answer
(B)
Waste disposal
22
Which of the following is a characteristic of dicotyledons?
Answer
(D)
Two cotyledons
23
Which of the following is a feature of all living cells?
Answer
(C)
Cell membrane
24
What is the primary function of the respiratory system?
Answer
(C)
To exchange gases (oxygen and carbon dioxide)
25
What type of reproduction involves a single parent and produces offspring genetically identical to the parent?
Answer
(B)
Asexual reproduction
26
Which of the following best describes the function of the stomata in plants?
Answer
(B)
To facilitate gas exchange
27
What is the function of gills in fish?
Answer
(C)
Gas exchange
28
What is the primary function of roots in a plant?
Answer
(B)
Absorption of water and minerals
29
What is the function of the root cap in flowering plants?
Answer
(B)
To protect the root tip
30
Where is the ovary located in a flowering plant?
Answer
(B)
Within the flower
31
Which of the following is a key characteristic of amphibians?
Answer
(B)
Cold-blooded nature
32
Which of the following is a characteristic of all arthropods?
Answer
(C)
An exoskeleton
33
Which of the following structures is NOT found in ferns?
Answer
(D)
Flowers
34
In flowering plants, what is the part of the shoot above the ground composed of?
Answer
(B)
Leaves, buds and flowers
35
What is the name of the process used by plants to produce food?
Answer
(B)
Photosynthesis
36
What is the term for an organism that consumes other organisms for energy?
Answer
(B)
Consumer
37
What is the main purpose of the apical bud?
Answer
(C)
New leaf growth
38
What is the term for the underground stem of a fern?
Answer
(A)
Rhizome
39
What is the role of the cell membrane in a cell?
Answer
(A)
To control the movement of substances in and out of the cell
40
What is the process called where a cell takes in fluid?
Answer
(B)
Pinocytosis
41
What is a feature found in all members of the animal kingdom?
Answer
(C)
Multicellularity
42
Which of the following is a characteristic of annelids (segmented worms)?
Answer
(C)
Segmented body
43
What is the main criterion used to classify organisms into different kingdoms?
Answer
(C)
Presence or absence of a nucleus
44
What is the main purpose of the digestive system?
Answer
(B)
To break down food into smaller molecules
45
What is the function of the phloem tubes in plants?
Answer
(B)
Transport sugars
46
What are the general characteristics of all organisms?
Answer
A
B
47
What are the key features of insects, a class within the arthropod phylum?
Answer
A
B
D
48
Which of the following is a characteristic of angiosperms?
Answer
(B)
Produce flowers
49
Which of the following is an example of an invertebrate?
Answer
(C)
Insect
50
What is the role of the cell wall in a plant cell?
Answer
(B)
To provide support and protection