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Worksheetsuray
Total questions: 24
Worksheet time: 22mins
Name
Class
Date
1.
At what stage of meiosis does synapsis occur?
a)
Prophase II
b)
Anaphase II
c)
Metaphase I
d)
Prophase I
2.
Which hormone stimulates the ripening of fruits?
a)
Auxin
b)
Gibberellin
c)
Ethylene
d)
Cytokinin
3.
What is the process of converting alkene to alkane?
a)
halogenation
b)
hydrogenation
c)
substitution
d)
oxidation
4.
2X + 13O2 ---> 8CO2 +10H2O. What is X?
a)
C6H14
b)
C4H10
c)
C3H7OH
d)
C2H5OH
5.
X is used as catalyst in the manufacture of margarine. What is X?
a)
Nickel
b)
Fine iron powder
c)
Vanadium (V) oxide
d)
Platinum
6.
Which of the following regarding the function of sulphuric acid is FALSE?
a)
Manufacture of detergents
b)
Manufacture of synthetic fibres
c)
Manufacture of fertilisers
d)
Manufacture of plastic
7.
Which property of a wave changes after undergoing diffraction?
a)
Frequency
b)
Speed
c)
Wavelength
d)
Direction
8.
Which element is used for the doping of a n-type semiconductor?
a)
Boron
b)
Indium
c)
Phosphorus
d)
Aluminium
9.
What is the boolean algebraic expression of the following logic gate?
a)
X = A+B
b)
X = Ā
c)
X = A⋅B
d)
None of the above
10.
Vitamin K is used to produce prothrombin in organ X. What is X?
a)
Kidney
b)
Caecum
c)
Pancrease
d)
None of the above
11.
Panthera tigris is the scientific name of a tiger. What does tigris indicate?
a)
Order
b)
Species
c)
Genus
d)
Family
12.
What does an animal cell undergo when it is placed in a hypertonic solution?
a)
Crenation
b)
Plasmolysis
c)
Deplasmolysis
d)
Haemolysis
13.
Which statement regarding ruminants and rodents is true?
a)
The stomach of a ruminant is made up of one chamber
b)
Regurgitation of food occurs in rodents
c)
Digestion of cellulose occurs in both of the organisms
d)
None of the above
14.
After fertilisation of a plant, what does the ovary turn into?
a)
Seed
b)
Endosperm
c)
Fruit
d)
None of the above
15.
What organism undergoes this growth curve?
a)
Insects that show complete metamorphosis
b)
Perrenial plants
c)
Insects that show incomplete metamorphosis
d)
Annual plants
16.
Solution X turns from orange to green colour after being added to alkene. What is X?
a)
Potassium manganate (VII)
b)
Potassium dichromate (VI)
c)
Bromine liquid
d)
None of the above
17.
X is added in the mixture of alkaline and ester during saponification. What is X?
a)
Zinc (II) oxide
b)
Aluminium (III) oxide
c)
Sodium nitrate
d)
Sodium chloride
18.
Rubber is dipped in X and methylbenzene. What is X?
a)
Disulphur dichloride
b)
Phophorus chloride
c)
Potassium chloride
d)
None of the above
19.
Which process is the example of the diagram shown.
a)
Neutralization
b)
Reaction between ethanoic acid and sodium carbonate
c)
Reaction between water and calcium (II) oxide
d)
Burning
20.
What is needed to produce a full-wave rectification?
a)
Resistors
b)
Transistors
c)
Capacitors
d)
Diodes
21.
First day of 2014 was a Wednesday. What is the first day of 2015?
a)
Wednesday
b)
Monday
c)
Friday
d)
Thursday
22.
What is the Avagrado number?
a)
6.02 x 1021
b)
6.02 x 1023
c)
6.02 x 1022
d)
6.02 x1024
23.
Find the next term of the following squence: 2, 1, 3, 4, 7..........
a)
8
b)
11
c)
9
d)
10
24.
27 people shake hands with each other once, how many handshakes are there?
a)
352
b)
350
c)
351
d)
349
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