Download True/ False Questions EQ and A

7
Indicate whether each of the following statements is True or False
Motor neurons conduct impulses away from the
RNA is not found in ribosomes.
False
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CNS.
HIV/AIDS has orphaned many children in subTrue
The growth response of a plant to chemicals is
Saharan Africa.
25
geotropism.
Single-celled organisms use mitosis for
True
26 Monocotyledonous plants have parallel leaf veins.
reproduction.
Lenses closest to the stage are the eyepiece
Immobilised enzymes can act as catalysts.
True
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lenses.
All vitamins are fat soluble.
False
28 Plant cell walls are fully permeable.
The growth response of a plant to light is
True
29 A polysaccharide contains many sugar units.
phototropism.
The liver produces bile.
30 Meiosis is never involved in gamete formation.
True
8
Humans receive oxygen from air they inhale.
9
Light is essential for the germination of seeds.
10
The cells produced by meiosis are haploid.
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13
Cloned individuals are exactly the same.
A sperm contains the diploid number of
chromosomes.
Chromosomes are made of DNA and lipid.
14
Vaccination gives rise to active immunity.
15
Meiosis gives rise to variation.
16
Food chains are usually short.
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19
Lactic acid is a product of anaerobic respiration.
Organisms of the same species usually produce
fertile offspring.
All individuals within a species are the same.
20
Chloroplasts contain DNA.
21
Enzymes are essential for metabolism.
22
Red blood cells have no nucleus.
23
The pacemaker is on the left side of the heart.
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12
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True
False
True
True
31
Iodine turns starch to a blue-black colour.
32
Carbon dioxide is produced during respiration.
33
Immobilised enzymes cannot act as catalysts.
34
False
35
False
True
True
True
True
36
Bones are joined to other bones by ligaments.
Stage 2 of respiration takes place in the
cytoplasm.
The cells produced by mitosis are identical.
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DNA is a double helical shape.
Aerobic respiration is the release of energy in the
absence of oxygen.
Eggs are a good source of fat in the diet.
40
Chromosomes are found in the nucleus.
True
41
False
True
True
True
False
42
Stage 1 of respiration requires oxygen.
The remaining natural ecosystems are ones for
which we have no use.
The base Uracil is found in DNA.
38
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Herbivores normally live long lives.
Stage 1 of respiration takes place in the
cytoplasm.
True
False
True
False
True
True
False
True
True
False
True
False
True
True
False
True
True
False
True
False
False
True
51
Indicate whether each of the following statements is True or False
Nutrition is the way living organisms get rid of
Lipids are made of amino acids.
False
69
waste.
Mitosis divides a nucleus into two identical nuclei.
True
The term abiotic refers to the living factors in an
70
Some energy released in respiration is lost as
ecosystem.
True
heat.
In science, a hypothesis is an educated guess
71
Osmosis is responsible for uptake of minerals.
False
based on observations.
In experiments the factor that is changed is called
The products of vegetative propagation are
72
True
the variable.
clones.
73 Grazing food chains begin with animals.
Urea is formed in the kidneys.
False
52
Cell membranes are semipermeable.
53
Animal cells do not have membranes.
54
Enzymes are not essential for metabolism.
55
Phloem transports water in plants.
56
A potato is a modified stem.
57
A motor neuron carries impulses to the brain.
58
Glucose is a monosaccharide.
59
Lenticels serve the same function as stomata.
60
Mitosis always produces four new cells.
61
Nitrogen is a trace element.
62
Plant cells have chloroplasts.
63
Tendons attach bone to bone.
64
Endosperm is a food reserve in some seeds.
Intraspecies competition is more intense than
interspecies competition.
The liver produces bile.
Metabolism is the sum of all the chemical
reactions in the body.
Anabolism is the breaking down of large
molecules.
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True
False
False
False
True
False
True
True
False
False
True
False
True
74
Alleles are different forms of the same gene.
75
Chromosomes are made up of DNA and protein.
76
A human sperm cell contains 23 chromosomes.
77
Phenotype is the genetic make-up of an organism.
78
Replication is the copying of DNA.
79
RNA contains the base thymine.
Genetic engineering is the manipulation and
alteration of genes.
The copying of the DNA code into mRNA is
called transcription.
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81
False
True
True
True
False
True
True
True
False
True
False
True
True
False
83
Single-celled organisms use meiosis for asexual
reproduction.
In telophase of mitosis, a cleavage furrow forms in
plant cells.
84
When a cell is not dividing it is said to be in prophase.
False
85
True
True
The nuclear membrane disappears in the early part of
mitosis.
86
Centromeres give rise to the nuclear spindle.
True
87
Mitosis is a source of variation.
True
False
True
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In multicellular organisms mitosis is primarily used for
growth.
True
False
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True