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Quiz 12
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Q.1
Most fish do not sink in water because of the presence of:
I. swim bladder
II. air bladder
III. air sacs
IV. air in spongy bones
I and II are correct
II and III are correct
III and IV are correct
I, II, III and IV are correct
Q.2
Plants synthesis protein from
starch
sugar
amino acids
fatty acids
Q.3
Which one among the following water-borne diseases is not caused by a bacteria ?
Cholera
Typhoid
Bacillary dysentery
Hepatitis A
Q.4
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
angiosperms
gymnosperms
monocotyledons
dicotyledons
Q.5
Pollination is best defined as
transfer of pollen from anther to stigma
germination of pollen grains
growth of pollen tube in ovule
visiting flowers by insects
Q.6
Which is the cause of malaria infection?
Bacteria
Plasmodium
Algae
Viruses
Q.7
In human beings influenza is caused by
Bacteria
Viruses
Fungi
Algae
Q.8
Biogeographical regions are also called
Zones
Epoch
Realms
Era
Q.9
Hepatitis virus destroys the cells and may cause the disease
Jaundice
Malaria
Typhoid
Elephantiasis
Q.10
Photo-oxidation is
photorespiration
photolysis
light and oxygen induced breakdown
All of the above
Q.11
Process of cell division can take place by
heterosis
fusion
mitosis
None of these
Q.12
Agro forestry is
Growing tree for forest
Growing tree after cutting crop
Growing of tree with cultivation of crop in the same field
None of these
Q.13
Plants absorb dissolved nitrates from soil and convert them into
free nitrogen
urea
ammonia
proteins
Q.14
Plants receive their nutrients mainly from
chlorophyll
atmosphere
light
soil
Q.15
Asthma is caused due to
Infection of trachea
Infection of lung
Bleeding into pleural cavity
Spasm in bronchial muscles
Q.16
Cancer is caused by
Loss of immunity of cells
Uncontrolled meiosis
Uncontrolled mitosis
Rupturing of cells
Q.17
The colour of Hemoglobin is
Red
Yellow
White
Colorless
Q.18
When a foreign body inter into blood circulatory system the reaction is started by
RBC
WBC
Platletes
Cytoplasm
Q.19
How many chambers does a human heart have?
2
4
6
7
Q.20
It is disease which used to exist in the past in most countries of old world.
Small pox
Malaria
Measles
Cholera
Q.21
Sleeping sickness in man is caused by the organism
Plasmodium
Entamoeba
Giardia
Trypanosoma
Q.22
Agrostology is the study of
Seed of oil
Crop
Grass
Fruits
Q.23
Sickle-cell anemia is a disease caused due to the abnormality in
White blood cell
Red blood cell
Thrombocytes
Blood plasma composition
Q.24
The elastic vessels which transport blood to the heart is known as
Arteries
Veins
Capillaries
None of the above
Q.25
The elastic vessels which transport blood from the heart is known as
Arteries
Sinusoids
Capillaries
None of the above
Q.26
The muscle which separate the right side and left side of heart is known as
Keratin
Maxilla
Septum
Tubercules
Q.27
What is the pH value range of human blood?
7.1-7.15
7.45-7.55
7.22-7.28
7.35-7.45
Q.28
The harmful poisonous substances produced by bacteria are called
Toxins
Antitioxins
Antibiotic
Aflatoxins
Q.29
The primary goal of conservation biology is to
Counter the loss of biodiversity
Estimate the total number of species that exist
Integrate human culture back into nature
Catalogue species
Q.30
Distribution of plant on the various part of earth
Biogeography
Zoogeography
Phytogeography
Geopraphy
Q.31
White blood cell act
As a defence against infection
As a source of energy
For clotting blood
As a medium for oxygen transport from lung to tissues
Q.32
The top chambers of human heart are called
Aorta
Atrium
Septum
Ventricle
Q.33
The main function of hemoglobin is
Carries Oxygen
Control Blood Pressure
Produce hormones
None of the above
Q.34
Which parts of the heart receive blood from the lungs?
Right ventricle
Left atrium
Left ventricle
Right atrium
Q.35
The universal donor belongs to blood group
A
B
AB
O
Q.36
Person having blood group 'B' can donate the blood to person having blood group
A and O
B and O
A and AB
B and AB
Q.37
Scientist who discovered blood groups was
Krebs
Pavlov
Karl Landsteiner
Darwin
Q.38
Red colour of blood is due to presence of
Plasma
Hemoglobin
RBC
WBC
Q.39
Which of the following blood cells carry oxygen?
W.B.Cs
Platelets
R.B.Cs
All of the above
Q.40
Blood group which have no antibodies
A
B
AB
O
Q.41
Where do arteries carry blood?
Heart
Lungs
Tissues
Brain
Q.42
Average life span of human R.B.C is
100 days
90 days
120 days
None of these
Q.43
With which of the following body organ is 'pace-maker' associated?
Liver
Brain
Heart
Lungs
Q.44
In human body lymphocytes are formed in
Liver
Bone marrow
Pancreas
Spleen
Q.45
Main function of white blood corpuscles is
Transport of CO
2
Transport of oxygen
To produce immune system of body
None of the above
Q.46
The sound lub-dub lub-dub is produced by
Liver
Kidney
Heart
Lung
Q.47
Purification of blood takes place in
Lungs
Heart
Kidney
Liver
Q.48
Which statement regarding the mammalian heart is correct?
Blood is pumped from the heart via the atria
Oxygen-loaded blood moves only through the right side of the heart
When the right atrium contracts, it forces blood into the left atrium
In the adult heart, blood in the right chambers of the heart cannot enter the left chambers without passing through the lungs
Q.49
Haemoglobin is an important component of
RBC
WBC
Platletes
Cytoplasm
Q.50
Which of the following blood group is called universal donor ?
A+
B+
O-
AB+
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