The hormone which regulates the amount of glucose in the blood is called?
отговор
(C)
Insulin
2
Deamination occurs in the?
отговор
(D)
Liver
3
In an agricultural ecosystem, the biotic component consist of
отговор
(A)
crops, pests and beneficial insects
4
Epiphytes growing on the branches of trees provide an example of the relationship known as?
отговор
(B)
commensalism
5
The hypha of rhizopus is said to be non-septate because it
отговор
(B)
has no cross wall
6
The function of ribosome in cells is
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(A)
protein synthesis
7
In which of the following does external fertilization take place?
отговор
(A)
toad
8
The villus in the small intestine is significant because
отговор
(A)
Increases the surface area for absorption
9
The butterfly is of great economic importance because
отговор
(D)
it pollinates flowers of crops and other plants
10
The bright colours of the comb and feathers in the peacock are for?
отговор
(C)
courtship
11
What is the term used to describe biotic and abiotic factors in the environment of the organism?
отговор
(C)
ecosystem
12
Which of the following instruments is NOT used in measuring abiotic factors in any habitat?
отговор
(A)
microscope
13
The smallest living organism which share the characteristics of both living and non-living matter are
отговор
(C)
viruses
14
The process by which a red blood cell placed in distilled water absorbs water until it burst and realease it's content into the surrounding is known as
отговор
(D)
hemolysis
15
Which of the following waste products in plants is excreted through the stomata and lenticles?
отговор
(A)
carbon dioxide
16
Use the diagram to answer the question
The vertebra illustrated is
отговор
(B)
thoracic
17
Use the diagram to answer the question
The neural arch is labelled
отговор
(B)
ii
18
The excretory structure in the earthworm is the
отговор
(C)
nephridium
19
In which of the following vertebrates does the skin function as a respiratory surface
отговор
(D)
frog
20
The process of walking is under the control of the part of the brain called
отговор
(C)
cerebellum
21
The ability of the eyes to focus on both near and distance objects is termed
отговор
(D)
accommodation
22
A group of organism of different species living in a particular area is described as a
отговор
(B)
community
23
The biological association that contributes directly to succession in a community is
отговор
(A)
competition
24
Floating microscopic heterotrophs are mostly grouped as
отговор
(B)
zooplankton
25
Vaccination is carried out in order to
отговор
(D)
stimulate the production of anti-bodies
26
For growth to occur in organisms, the rate of
отговор
(A)
anabolism must exceed that of catabolism
27
The probability of a baby being a boy or a girl depends on the contribution of the
отговор
(A)
father's sex cells
28
Both recesssive and dominant characters are found
отговор
(B)
at the same logus of a homologous chromosome
29
In a population of living things, the parameters of size, height, weight and colours are examples of
отговор
(A)
continuous variation
30
Use the diagram to answer the question.
The process of water loss and intake indicated by the arrows labelled i and ii are respectively
отговор
(A)
evaporation and osmosis
31
The noticeable adaptation of the animal to it's aquatic habitat is the possession of
отговор
(A)
webbed digits
32
Paternity disputes can most accurately be resolved through the use of
отговор
(D)
DNA Analysis
33
Use the table below to answer the question.
High relative humidity will be expected in Zones
отговор
(B)
ii and iii
34
Use the table to answer the question.
Which of the zones is likely to be a desert?
отговор
(A)
i
35
When bacteria swim from cold to warm regions, this is known as
