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Biology for IGCSE & O level - Characteristics And Classification Of Living Organisms (Section 6)

1
What term is used to describe dividing into two, as it applies to the process of creating a dichotomous key?
Answer
(B)
Dichotomous
2
What are some key features of flowering plants?
Answer
A
C
D
3
What are the main features of insects?
Answer
A
C
4
Which kingdom includes organisms that lack a nucleus?
Answer
(D)
Prokaryotes
5
What part of the plant supports the leaves, buds and flowers?
Answer
(B)
The stem
6
Which of the following is NOT a function of roots in flowering plants?
Answer
(C)
Performing photosynthesis
7
Which of the following are chordates?
Answer
(B)
Fish
8
In a dichotomous key, what should each step ideally contain?
Answer
(C)
Paired statements with yes/no answers
9
What part of the flowering plant is responsible for the reproduction?
Answer
(C)
Flower
10
Which structure transports water and mineral ions from the roots to the leaves?
Answer
(B)
Xylem
11
Which of the following structures transports dissolved sugars?
Answer
(B)
Phloem
12
What is the function of the stem in a flowering plant?
Answer
A
B
13
Which of the following is NOT a part of a eukaryotic cell?
Answer
(D)
Plasmid
14
Which of the following are features of ferns?
Answer
A
B
D
15
What is the function of phloem tubes?
Answer
(B)
To transport dissolved sugars
16
Which of the following is a characteristic of a cell found in all organisms in all five kingdoms?
Answer
(D)
DNA
17
Which of the following would be found in a cell wall?
Answer
(A)
Cellulose
18
Which of the following are characteristics of amphibians?
Answer
A
C
19
In a dichotomous key, the starting point usually asks a question about:
Answer
(C)
A broad and easily observable characteristic
20
Which of the following is a feature of flowering plants?
Answer
(B)
Xylem vessels
21
Which of the following is NOT one of the five kingdoms?
Answer
(D)
Mineralia
22
Which of the following is NOT a characteristic of all living organisms?
Answer
(C)
Movement
23
Which of the following is a feature commonly found in monocotyledons?
Answer
(C)
Flower parts in multiples of three
24
Which of the following is a function of the stem in flowering plants?
Answer
(B)
Transporting water from the soil up to the leaves
25
What is the function of the ovary in flowering plants?
Answer
(B)
To make seeds
26
What is the primary purpose of the cuticle in ferns?
Answer
(B)
To reduce water loss
27
Which of the following are features of dicotyledons?
Answer
A
B
D
28
What type of reproduction is common in ferns?
Answer
(B)
Spore production
29
Which part of the plant carries water from the roots to the leaves?
Answer
(B)
Xylem
30
Which of the following structures are found in the leaves of flowering plants?
Answer
A
B
C
D
31
Photosynthesis is best described as the process where organisms:
Answer
(A)
Use sunlight to convert carbon dioxide and water into simple sugars.
32
What is the primary purpose of the root system of a flowering plant?
Answer
A
B
33
The scientific name for humans is *Homo sapiens*. *Homo* represents the:
Answer
(B)
Genus
34
Which group of plants often have broad leaves with a network of branching veins?
Answer
(C)
Dicotyledons
35
What is the main difference between ferns and flowering plants?
Answer
(C)
Flowering plants produce seeds, while ferns produce spores
36
Which of the following is a feature used to classify vertebrates?
Answer
(A)
Type of diet
37
Which of the following is NOT a feature of flowering plants?
Answer
(C)
Reproduction by making spores
38
Which of the following is NOT a feature of a cell in a flowering plant?
Answer
(D)
Chitin
39
What type of leaves do dicotyledons generally have?
Answer
(B)
Broad with branching veins
40
In a dichotomous key, how many options are given at each stage?
Answer
(B)
Two
41
Which of the following is an example of a monocotyledon?
Answer
(B)
Corn
42
Which of the following is an example of a seed-producing plant?
Answer
(C)
Flowering Plants
43
What do the parts of the flower of dicotyledons have?
Answer
(B)
Are in multiples of four or five
44
Which of the following features is NOT found in both ferns and flowering plants?
Answer
(D)
Seeds
45
What is the primary function of the apical bud in a flowering plant?
Answer
(D)
To be the part where the stem grows new leaves.
46
Which of the following is NOT a characteristic of ferns?
Answer
(C)
They produce seeds.
47
Which of the following is a characteristic of vertebrates?
Answer
(A)
They have a vertebral column.
48
What is the green pigment found in chloroplasts called?
Answer
(C)
Chlorophyll
49
What can be determined using a dichotomous key?
Answer
A
D
50
What is the correct order of classification from broadest to most specific?
Answer
(A)
Kingdom, Phylum, Class, Order, Family, Genus, Species