(a), (b), and (c)

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Answer all the questions. Underline the most appropriate answer.
Correct answer = +1
Wrong answer = -1
Duration : 45 minutes
1. A type of agranular white blood corpuscle
i)
Lymphocyte
ii)
Basophils
iii)
Leukocyte
iv)
Thrombocyte
2. Read the following statements
A – Chlorophyll in the chloroplasts produces glucose
B – Mitochondria produce energy
C – Ribosomes attached to the endoplasmic reticulae produce proteins
D – Chromosomes are responsible in transmitting hereditary characteristics
The things can be seen in plant cells and also in animal cells
i)
ii)
iii)
iv)
A only
B, C, D only
A and B only
A, B, C and D all
3. An animal that can be classified as reptile
i)
Water snake
ii)
Eel
iii)
Otter
iv)
Salamander
4. The epithelium found in the walls of alveoli can be also seen in
i)
Oesophagus
ii)
Trachea
iii)
Capillaries
iv)
Arteries
5. Select the correct statement regarding 17 35X element
i)
There are 18 electrons
ii)
There are 35 protons
iii)
The last energy level has 5 electrons
iv)
There are 35 nucleons
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6. The enzymes function in acidic medium
i)
Tripsine, pepsine
ii)
Amylase, lipase
iii)
Tripsine, rennin
iv)
Renin, pepsin
7. Not an excretory product
i)
Feaces
ii)
Urine
iii)
Sweat
iv)
Water vapour
8. Not a property of ionic compound
i)
Conducts electricity in fused states and in aqueous state
ii)
Soluble in polar solvent
iii)
High melting point and high boiling point
iv)
Has neutral molecules in an aqueous solution
9. Glucose is completely re-absorbed in
i)
Bowman’s capsule
ii)
Henle’s loop
iii)
Proximal convoluted tubule
iv)
Glomerulus
10. The tissue with cells having
 Life
 Polygonal shape
 Inter cellular air spaces
i)
ii)
iii)
iv)
Collenchymas
Parenchyma
Schlerenchyma
Xylem
11. Which of the following may cause varicose veins
i)
Deposition of cholesterol in the arteries
ii)
Weakening of the valves in the veins
iii)
Losing the elasticity of the arteries
iv)
Hypertension
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12. What does not occur during inspiration in humans
i)
Intercostal muscle will contract
ii)
Diaphragm contacts
iii)
Ribs move out wards and upwards
iv)
Air enters the alveoli through the buccal cavity
13. Substances not found in glomerular filtrate are
i)
Proteins and vitamins
ii)
Salts and vitamins
iii)
Blood cells and proteins
iv)
Blood cells and salt
14. The disease which affects the erythrocyte
i)
Dengue
ii)
Leukaemia
iii)
Malaria
iv)
Hypertension
15. An atom having an electronic configuration of 2,8,4 belongs to
i)
Group III, Period 4
ii)
Group II, Period 4
iii)
Group IV, Period 3
iv)
Group II, Period 3
16. A protein digestive enzyme is
i)
Tripsin
ii)
Renin
iii)
Amylase
iv)
Lipase
17. Urine is filtered in the
i)
Collecting tubule
ii)
Bladder
iii)
Kidney
iv)
Nephron
18. A disease associated with the respiratory system
i)
Tuberculosis
ii)
Hepatitis
iii)
Nephritis
iv)
Thrombosis
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19. The person having which blood group can take blood from any blood group
i)
A
ii)
B
iii)
AB
iv)
O
20. Not an excretory product
i)
Sweat
ii)
Faeces
iii)
Carbon dioxide
iv)
Bile pigments
21. The substance that completely re-absorbed into blood from the glomerular filtrate is
i)
Salt
ii)
Glucose
iii)
Urea
iv)
Salt
22. Urea excreted by kidneys, is formed in the
i)
Liver
ii)
Bladder
iii)
Kidney
iv)
Nephron
23. What is the feature an arecanut plant posses
i)
Having a tap root system
ii)
Having no flowers
iii)
Having an unbranched trunk
iv)
Having webbed veins
24. The classes that sea horse and bats respectively belong to
i)
Pisces, mammal
ii)
Mammal, aves
iii)
Reptilia, aves
iv)
Both are mammals
25. The atomic number of an element is 19. The number of ‘e’ in its outer most energy level is
(1) 1
(2) 9
(3) 18
(4) 19
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26. Following are some features stated about the element
a.
b.
c.
d.
63
29X
Its mass number is 63
Its atomic number is 63
The number of neutrons in its atom is 29
The number of electrons in its atom is 29
Which of the above statements are correct?
(1) a and c only
(2) b and c only
(3) a and d only
(4) b and d only
27. There are 11 ‘p’ and 12 ‘n’ in an atom of the element Na. Which is the standard way?
(1)
28.
12
11
Na
Particles
A
B
C
D
E
(2)
11
12
Na
(3)
No. of protons
17
18
19
20
20
23
11
Na
(4)
No of neutrons
20
20
20
20
22
11
23Na
No of electrons
18
18
18
20
20
The isotopes are
(1) A and B
29.
(4) A, B, C and D
(2) B
(3) C
(4) D
The neutral particle / particles is / are
(1) B only
31.
(3) D and E
A positive ion is
(1) A
30.
(2) A, B and C
(2) D only
(3) B and D only (4) B, D and E only
In the atoms of two elements found in the same period of the periodic table,
i)
ii)
iii)
iv)
number of electrons is equal
number of protons is equal
number of neutrons is equal
number of energy levels is equal
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32.
Element
X
Y
p
16
16
e
16
18
n
18
17
Three statements regarding the above X and Y atomic species are given below
(A) the atomic numbers of X and Y are equal
(B) the atomic mass of X and Y are equal
(C) the electronic configurations of X and Y are equal
Out of the statement, the correct one/ones is/are
(1) A only
(2) B only
(3) C only
(4) A and C only
33. A type of multi nucleated cell
i) Epithelial cell
ii) Smooth muscle
iii) White blood cell
iv) Skeletal muscle
34. A characteristic common to both cardiac and smooth muscle is
i) being striated
ii) being non striated
iii) becoming tired soon
iv) being involuntary
35. Element
H
O
Cl
Atomic
Number
(a)
8
17
Mass
Number
1
(b)
35
Protons
Neutrons
1
8
(c)
0
8
18
The numbers that can take place of (a), (b), and (c) in sequence in the above table are
(i)
(ii)
(iii)
(iv)
1, 8, 17
1, 16, 35
1, 16, 17
0, 16, 17
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
Select from the choices given below the process that helps best explain the phenomena,
mentioned in questions 36, 37 and 38
(A) Diffusion
(B) Osmosis
(C) Active Absorption
(D) Ascent of Sap
36. Entry of soil water into root hairs
i) A
ii) B
iii) C
iv) D
37. Entry of digested food into the blood capillaries within the mammalian intestine
i) A
ii) B
iii) C
iv) D
38. Passing of water vapour from the air spaces within the leaves, into the atmosphere
i) A
ii) B
iii) C
iv) D
39. Which answer contains the elements that attain noble – gas configuration by removal of
electrons only
i) H, Li, C
ii) Na, K, Ca
iii) H, F, Cl
iv) C, O, N
40. A mono atomic gas is
i) Nitrogen
ii) Oxygen
iii) Carbon Dioxide
iv) Helium
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