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Worksheetscore biology ocr
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
which of these is a phenotype?
a)
Bb
b)
eye colour
c)
nucleus
d)
cc
2.
which of these is the largest in terms of organisation?
a)
gene
b)
DNA
c)
chromosome
d)
nucleus
3.
what do genes code for?
a)
Fats
b)
proteins
c)
glucose
d)
Oxygen
4.
how many heterozygous offspring are there here?
a)
1
b)
2
c)
3
d)
4
5.
which of these can you NOT get stem cells from?
a)
embryos
b)
bone marrow
c)
the meristem of a plant
d)
skin cells
6.
What is NOT associated with asexual reproduction?
a)
genetically identical offspring
b)
genetic variation
c)
it is quick
d)
mitosis
7.
which of these is not a clone?
a)
Sisters
b)
cuttings
c)
spider plant runners
d)
Bacteria
8.
Which of these is can be an environmental characteristic?
a)
Eye colour
b)
Sex
c)
Blood group
d)
weight
9.
What is the genotype of a male?
a)
X
b)
Y
c)
XY
d)
XX
10.
Which is going to cool you down?
a)
Vasodilation
b)
goosebumps
c)
shivering
d)
vasoconstriction
11.
What is ADH
a)
A neurotransmitter
b)
An enzyme
c)
A hormone
d)
A bone
12.
What does Alcohol do to ADH levels?
a)
It suppresses ADH production and causes large volumes of water
b)
It increases ADH production so less urine is produced
13.
Which carries blood away from the heart to the rest of the body?
a)
Vena cava
b)
Pulmonary Arthery
c)
Pulmonary vein
d)
Aorta
14.
Which of these is not a way of producing a vaccine?
a)
a dead pathogen
b)
A weakened pathogen
c)
A live virus
d)
Part of a bacteria
15.
Which is the left ventricle?
a)
A
b)
B
c)
C
d)
D
16.
Which of these produces antibodies?
a)
Red blood cell
b)
Platelets
c)
lymphocyte
d)
phagocyte
17.
Which of these stages is the last one in a drug trial
a)
Testing on human cells in the lab
b)
Clinical trials
c)
testing on animals
18.
What is nitrogen used to make?
a)
glucose
b)
starch
c)
amino acids
19.
Which of these doesn't put carbon dioxide into the atmosphere?
a)
respiration
b)
photosynthesis
c)
combustion
20.
What is not involved in natural selection?
a)
Asexual reproduction
b)
mutations
c)
sexual reproduction
d)
variation
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