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