WorksheetsGrade-10- 30-March 2022
Total questions: 54
Worksheet time: 36mins
What is the functional group of alcohols?
–NH2
–COOH
–CHO
–OH
–NO2
What is a polymer?
a very light material that is highly flammable
a fossil fuel
a large molecule made from many monomers joined together
a molecule made up of only polar bonds
What is Polyethene made from?
Ethene
Ethane
Propane
Propene
Which one of these is a polymer?
carbon dioxide
methane
polyvinylchloride
deoxyribonucleic acid
Which one of these could polymerise to make poly(propene)
What monomer forms this polymer chain?
What monomer forms this polymer chain?
Your job is very (a) (STRESS)
I'm sure you (a) enjoy dancing if you came to the classes with me.
Suzanne wishes her parents (a) so far away. (not live)
Our house needs _______________. Do you know any good house painters?
to paint
painting
to painting
paint
Was machst du im Sommer ?
im Regen laufen
einen Schneemann
Eis essen
heiße Schokolade trinken
Guten Tag. Ich bin Felix. Und wie ___ Sie ?
heißt
heißen
heiße
bin
Ist das eine Brille? Nein, das ist ___ Brille.
keine
kein
nicht
ein


Sperms can have
Only X chromosome
Only Y chromosome
Either X or Y chromosome
Either XX or XY chromosomes
Ova (eggs) can have
Only X chromosome
Only Y chromosome
Either X or Y chromosome
Only XX chromosomes
A brown eyed man of genotype Bb marries a blue eyed woman. What is the chance that their third child is brown eyed?
25%
50%
75%
100%
A rose species has color which is determined by alleles R and r. A genotype of RR will give rise to red coloration, while rr gives rise to white coloration. Which of the statements is false?
The alleles R and r are different forms of a gene.
A gene is made up of proteins.
A gene consists of a DNA sequence.
The heterozygous genotype will have a phenotype of red.
Somatic cells have 46 chromosomes. A boy's somatic cells would have ______
46 identical chromosomes of identical length.
46 chromosomes of varying length.
22 pairs of different chromosomes, but each pair is of the same length; one X and one Y chromosome.
22 pairs of different chromosomes, but each pair is of the same length; and two X chromosomes.
A dominant trait expresses itself
only in homozygous genotypes
only in heterozygous genotypes
both in homozygous and heterozygous genotypes
A recessive trait expresses itself
only in homozygous genotypes
only in heterozygous genotypes
in both homozygous and heterozygous genotypes
Land, labour, capital and enterprise are collectively known as
Goods and services
Business cycle
Factors of production
Output
What is 'added value'?
is the next best alternative given up by choosing another item.
is the difference between the selling price of a product and the cost of bought-in materials and components.
It's a good or service essential for living.
is the lack of sufficient products to fulfil the total wants of the population.
Which of these business activities are usually NOT in the public (government) sector?
grocery stores
health
defence
public transport
Sperms can have
Only X chromosome
Only Y chromosome
Either X or Y chromosome
Either XX or XY chromosomes
Ova (eggs) can have
Only X chromosome
Only Y chromosome
Either X or Y chromosome
Only XX chromosomes
A brown eyed man of genotype Bb marries a blue eyed woman. What is the chance that their third child is brown eyed?
25%
50%
75%
100%
A rose species has color which is determined by alleles R and r. A genotype of RR will give rise to red coloration, while rr gives rise to white coloration. Which of the statements is false?
The alleles R and r are different forms of a gene.
A gene is made up of proteins.
A gene consists of a DNA sequence.
The heterozygous genotype will have a phenotype of red.
Somatic cells have 46 chromosomes. A boy's somatic cells would have ______
46 identical chromosomes of identical length.
46 chromosomes of varying length.
22 pairs of different chromosomes, but each pair is of the same length; one X and one Y chromosome.
22 pairs of different chromosomes, but each pair is of the same length; and two X chromosomes.
A dominant trait expresses itself
only in homozygous genotypes
only in heterozygous genotypes
both in homozygous and heterozygous genotypes
A recessive trait expresses itself
only in homozygous genotypes
only in heterozygous genotypes
in both homozygous and heterozygous genotypes
When was North Atlantic Treaty signed?
May 14, 1939
April 4, 1949
June 24, 1959
April 5, 1949
What country was against the idea of NATO when it first started?
Russia (Soviet Union)
Brazil
Canada
Mexico
The Tangent Ratio represents ...
Opposite over Adjacent
Hypotenuse over Opposite
Opposite over pythagorean theorem
Ratio over opposite
If the sides of a triangle are 3, 4, and 5, what is the area?
6
6.28
12
3.14159
