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WorksheetsNTSE LEVEL-I (BIOLOGY)
Total questions: 40
Worksheet time: 30mins
Name
Class
Date
1.
In a closed circulatory system, blood is completely enclosed within
a)
the skeleton
b)
sinuses
c)
vessels
d)
hearts
2.
During the photosynthesis the oxygen in glucose comes from
a)
Water
b)
Carbon dioxide
c)
both water and carbon dioxide
d)
Oxygen Air
3.
The root like special structures in Cuscuta
a)
Villio
b)
Villi
c)
Haustoria
d)
Stem
4.
The product usefull for emulsification is
a)
Trypsin
b)
Pepsin
c)
Bile
d)
Lipase
5.
Gap between two neuron is
a)
Synapse
b)
Node of ranvier
c)
Dendrites
d)
Cyton
6.
Which of the following is responsible for guttation
a)
Root pressure
b)
Photosynthesis
c)
Transpiration
d)
Osmosis
7.
Which chamber of the heart has the thickest muscular walls
a)
Right atrium
b)
left atrium
c)
Left ventricle
d)
Right Ventricle
8.
Osmoregulation is control over the
a)
removal of nitrogen from the body
b)
Concentration of salt and water in the body
c)
osmotic properties of cell membranes
d)
pH of the blood
9.
Which plant is used instred of Hydrilla to prove Oxygen is produced in photosysthesis
a)
Reho
b)
Neem
c)
Elodea
d)
All the above
10.
A person passes much urine and drinks much water. But his blood glucose level is normal, this condition may be the result of
a)
Reduction of Insulin secretion
b)
Reduction of Vasopressin secretion
c)
Increase in secretion of Insulin
d)
None of the above
11.
Membrane which protect brain from extenal shock is
a)
Pleura
b)
Pericardium
c)
Cranium
d)
Menings
12.
Which of the following is connected with transport of water in plant
a)
Phloem
b)
Xylem
c)
Epidemis
d)
Cambium
13.
Voal cords occurs in
a)
Pharynx
b)
Glottis
c)
Bronchial tube
d)
Larynx
14.
A man suddenly sees a tiger, his heartbeat goes up, blood pressure increase etc., which hormone is released at this time in his body
a)
Parathormone
b)
Adrenaline
c)
Thyroxine
d)
Corticoid
15.
Largest part of the brain of man is called
a)
Olfactory lobes
b)
Cerebral hemisphere
c)
Corpus callosum
d)
Medulla oblongata
16.
Which of the following structures is not found in a prokaryotic cell
a)
Mesosome
b)
Plasma membrane
c)
Nuclear envelope
d)
Ribosome
17.
Highest number of enzyme is found in
a)
Lysosome
b)
Chloroplast
c)
Mitochondria
d)
Golgi Complex
18.
Which of the following are not membrane bound
a)
Lysosome
b)
Vacuoles
c)
Mesosomes
d)
Ribosome
19.
Respiration in plants occurs through
a)
lungs and skins
b)
lungs and stomata
c)
Lenticels and stomata
d)
skin and lenticels
20.
What happens, if green plants are not there on earth
a)
Living organisms will not get Oxygen
b)
Living organisms will not get Co2
c)
Living organisms will not get Nitogen
d)
All the above
21.
Which of the following plays a key role in absorption and distribution of fats
a)
Lacteals
b)
Villi
c)
Secretin
d)
Segmentation movements
22.
From which of the following, the Oxygen is released in plants during Photosynthesis
a)
Glucose
b)
Water
c)
Co2
d)
Chlorophyll
23.
Which of the following hormones requires Iodine for its synthesis
a)
FSH
b)
Insulin
c)
LH
d)
Thyroxine
24.
In Autotrophs the energy is stored as
a)
Fats
b)
Proteins
c)
Glycogen
d)
Carbohydrates
25.
Water will be absorbed by the root hairs when
a)
Concentration of solutes in the cell sap in high
b)
concentration of salts in the soil is high
c)
Plant is rapidly respiring
d)
None of the above
26.
Body posture is maintain by
a)
Cerebrum
b)
Cerebellum
c)
Hypothallmus
d)
Olfactory lobes
27.
Photolysis process accour in ……….. Phase
a)
Biosynthetic
b)
Photochemical
c)
Both
d)
None of the above
28.
Which of the following is not correct pair
a)
Bile - Liver
b)
Trypsin - Pancreas
c)
Pepsin - Small intestine
d)
Ptyalin - Salivary glands
29.
these vitamin synthesised by bacteria present in intestine
a)
B6
b)
B7
c)
B12
d)
B2
30.
Cynocobalamine:: B12 Niacin::
a)
B2
b)
B6
c)
B3
d)
B1
31.
Which plant hormone plays a role in apical dominance in plants
a)
Auxin
b)
Ethylene
c)
Abscisic acid
d)
Gibberellin
32.
The substance which is not having relation with Autotrophic nutrition
a)
ATP
b)
NADP
c)
NADPH
d)
ATGC
33.
These are called Assimilatory Powers
a)
ATP
b)
NADPH
c)
Both ATP & NADPH
d)
Hydrogen
34.
The Two kidneys lie
a)
at the level of ovaries
b)
at the same level
c)
left kidney at a higher level than the right one
d)
right kidney at a higher level than the left one
35.
Deficiency of folic acid causes
a)
Anaemia
b)
Pellagra
c)
Glossitis
d)
Rickets
36.
The length of small intestine in human being is
a)
4.5 m
b)
6.5 m
c)
3.5 m
d)
1.5 m
37.
Each Photosynthetic unit Contain…………………... Pigment molecules
a)
250 - 300
b)
250 - 400
c)
200 - 500
d)
500 - 350
38.
Which of the followin is a weed killer
a)
2,4 D
b)
NAA
c)
ABA
d)
IAA
39.
The Number of Salivary glands in a man is
a)
2 Pairs
b)
6 Pairs
c)
3 Pairs
d)
4 Pairs
40.
A normal man respires in a minute
a)
10-16 times
b)
14-18 times
c)
20-25 times
d)
25-30 times
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