Module 2: Inheritance and Survival (specimen)
1) Which of these is an air pollutant?
a) sulphur dioxide
b) oxygen
c) nitrogen
d) water vapour
2) Which of these is likely to increase pollution?
a) Less use of aircraft
b) planting more trees.
c) lower speed limit for cars
d) bigger population
3)A unit of inherited information is a
a) chromosome
b) sperm cell
c) gene
d) nucleus
4) A male baby inherits his characteristics
a) mainly from his mother
b) about equally from both parents
c) mainly from his father
d) completely from his father
5) Liz has blue eyes and Sunil has brown eyes.This is because
a) one is a girl and one is aboy
b) they ate different food when they were babies
c) Liz's mother smoked when she was pregnant
d) theyu have different genes for eye colour
6) The genes are part of the
a) cell membrane
b) nucleus
c) cell wall
d) cytoplasm
7) The development of breasts in girls is caused by
a) a fatty diet
b) testosterone
c) oestrogen
d) arm exercises
8) A farmer always breeds from cows which produce a lot of milk
This is an example of
a) artificial selection
b) evolution
c) variation
d) mutation
9) Which diagram shows cress seedlings that have been kept in air containing sulphur dioxide?
a)
b)
c)
d)
10) A mutation is
a) a change in a gene
b) a change in appearance
c) an allele
d) a pollutant
11) Which of these may cause a mutation?
a) too much fat in the diet
b) exposure to sunlight
c) too little sleep
d) too much exercise
12) The number of chromosomes in the nucleus of a muscle cell is the
a) diploid number
b) haploid number
c) heterozygous number
d) homozygous number
13) The diagram shows bacteria multiplying
Which of these is
not
a correct discription of this multiplication?
a) reproduction
b) fertilization
c) cloning
d) asexual
14) The reason Dr Sanderson is so tall is probably due to
a) the environment but not genes
b) genes but not the environment
c) neither genes nor the environment
d) both genes and the environment
15) The diagram below shows a sperm cell about to fertilize an egg cell
The fertilized egg cell grows into a girl
Which row of the table shows the sex chromosomes in the egg and sperm cells?
sex chromosomes from
egg cell
sex chromosome from
sperm cell
a)
X
Y
b)
X
X
c)
Y
Y
d)
Y
X
16) Lynx are predators of snowshoe hares
Which of these changes will cause a rise in the population of snowshoe hares?
a) a disease affecting the lynx but not the hares
b) a rise in the lynx population
c) a reduction in the food supply of the snowshoe hare
d) a decrease in the predators of the lynx
17) The alleles for fur colour in mice are lack (
B
) and brown (
b
).
When a black mouse (
BB
) is crossed with a brown mouse (
bb
) all of the offspring are black.
If the offspring from this cross are bred together, the expected ratio of fur colour will be
a) 4 black to 0 brown
b) 3 black to 1 brown
c) 2 black to 2 brown
d) 1 black to 3 brown
18) The diagram shows the base pairs for parts of a DNA molecule
Which diagram shows the correct pairing of the bases in DNA
a)
b)
c)
d)
19) Which of thes causes a breakdown in the lining of the uterus
a) a rise in the level of progesterone
b) a fall in the level of testosterone
c) a rise in the level of oestrogen
d) a fall in the level progesterone
20) A recessive allele is
a) is only present in a gamate
b) is always present in the phenotype
c) can be present in homozygotes
d) is never present in heterozygotes
21)Biotechnology has enabled us to make human insulin in large quantities
The human insulin is made by
a) cloning human insulin genes
b) plasmids
c) bacteria
d) culturing human insulin genes
22) Which of these is true of cell division by meiosis?
a) The cells produced have the same number of chromosomes as the parent cell
b) The cells produced are not identical to one another
c) It takes place in all organs of the body
d) The parent cell divides in two
23) Peppered moths are eaten by birds and spiders
The diagram shows light and dark forms of the peppered moth resting on a tree trunk
a decrease in the number of spiders catching moths in webs
an increase in the number of moth-eating birds
an increase in the soot and smoke emitted from nearby factories
Which of these would increase the
proportion
of dark moths in the population?
a) 1 only
b) 3 only
c) 1 and 2 only
d) 1 and 3 only
24) The liit gives statements about clones produced from a red-flowered rose bush.
Their flowers will be in the ratio of 3 red to 1 white
They will inherit resistance to the same diseases
They will all grow to exactly the same height
Which statements are correct?
a) 2 only
b) 3 only
c) 1 and 2 only
d) 1 and 3 only
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