UCL CENTRE FOR LANGUAGES & INTERNATIONAL EDUCATION (CLIE)
This is a photograph of an organelle found in living cells. Use it to help answer questions 1, 2 and 3.
(From Essential Cell Biology, Alberts B et al (2009) 3rd edition; Garland Science, NY & London. Photo by Daniel S Friend.)
1) What is the name of this organelle?
2) What is the function of this organelle?
3) Which one of the following substances is produced when this organelle is functioning.
Figure 2 is a photograph of cell division taking place in the tip of a plant root.
A group of cells undergoing division - photo taken by Islam El-Konaissi, UPCSE student 2007/08, of his cell preparation.
4) Why is a root tip a good place to see this type of cell division?
5) The cell marked I on the diagram has 24 chromosomes. How many chromosomes are present in the cell marked II?
6) During the production of gametes the number of chromosomes is halved. What name is given to this type of cell division?
7) What is the correct equation for photosynthesis?
This genetics diagram is for questions 8 and 9. The diagram shows a genetics experiment involving breeding flies which vary in their body colour.
B for Black body is dominant to the allele b which is for white body.
8) Which two insects are homozygous?
9) What is the ratio of body colour in the offspring?
10) In genetics what term is given to the appearance of an organism?
The figure shows the bones and muscles of the upper and lower arm. Study it and answer questions 11, 12 and 13.
11) What is the name of the bone labelled I?
12) What is the type of muscle labelled II?
13) What type of joint is present at III, the elbow?
14) What is the name given to the tissue that transmits water and dissolved minerals from the root of a plant up towards the leaves?
15) What tissues provides support to hold up the stem of a plant?
16) What is the process that moves water through a plant?
17) If a plant is described as xerophytic, what conditions will it live and grow in?
18) What name is given to the type of cell that carries oxygen in blood?
19) What is the red pigment present in cells that carry oxygen?
20) Which of the following, found in animals, is NOT a protein?
The diagram shows the outline of a human body with various glands marked. Use it to answer questions 21 and 22.
Outline of a human body showing various endocrine glands
21) Which gland produces the hormone insulin?
22) What is the target tissue of the hormone insulin?
23) What is phototropism?
24) What name is given to the flat teeth found towards the back of an animal's mouth and which are used for grinding food?
25) What is the approximate pH of the stomach of a mammal?
26) What does the term absorption mean?
27) Why were the Galapagos Islands important to Charles Darwin as he developed the theory of evolution?
28) To what phylum do birds belong?
29) When an organism is given a proper formal name like Homo sapiens for human beings, what do the two words tell you about the classification group?
30) What gas is a major cause of global warming?