set bio

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1) What is the name of this organelle?

A. Chloroplast B. Endoplasmic

reticulum

C.

Mitochondrion

D. Ribosome

A. Chloroplast - Wrong. There are some similarities between chloroplasts and mitochondria,

like a double outer membrane, but the internal membranes are arranged very differently.

B. Endoplasmic reticulum - Wrong. Endoplasmic reticulum forms a network of flattened

tubules throughout the cell and is often attached to ribosomes when it is called rough

endoplasmic reticulum.

Endoplasmic

, .

D. Ribosome - Wrong. A ribosome is not an organelle but a large molecule of RNA and

protein.

2) What is the function of this organelle?A. Anaerobic

respiration

B. Aerobic

respiration

C. Protein

release from cell

D.

Photosynthesis

A. Anaerobic respiration - Wrong. Anaerobic respiration, without oxygen, occurs in the

cytoplasm of the cell.

C. Protein release from cell - Wrong. Ribosomes are responsible for protein synthesis and

Golgi for preparing it for export from the cell.

D. Photosynthesis - Wrong. Chloroplasts undertake photosynthesis.

3) Which one of the following substances is produced when this organelle is functioning.A. Oxygen B. Carbon

dioxide

C. Glucose D. Starch

A. Oxygen - Wrong. Oxygen is a product of photosynthesis.

C. Glucose - Wrong. Glucose is made in chloroplasts during photosynthesis.

D. Starch - Wrong. Starch is made from glucose molecules in chloroplasts and other plants

cells.

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Figure 2 is a photograph of cell division taking place in the tip of a plant root.

4) Why is a root tip a good place to see this type of cell division?

A.

No light is present

B.

Plant roots only

grow downwards

C.

It is an area of

active growth

D.

Plants often store

food reserves in

roots

A. No light is present - Wrong. Light does not directly affect cell division.

B. Plant roots only grow downwards - Wrong. Plants do have mechanisms that ensure roots

grow downwards, but again, nothing to do with cell division.

D. Plants often store food reserves in roots - Wrong. They may increase cell numbers to

store food but this division will be not as frequent as a root tip. .

5) The cell marked I on the diagram has 24 chromosomes. How many chromosomes are

present in the cell marked II? 24

6) During the production of gametes the number of chromosomes is halved. What name is

given to this type of cell division?

A. Somatic B. Meiosis C. Reproductive D. Mitosis

A. Somatic - Wrong. Somatic cell division is mitosis.

C. Reproductive - Wrong. Although involved in reproduction this is not the name given to

meiosis.

D. Mitosis - Wrong. This is normal cell division, not part of gamete production.

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7) What is the correct equation for photosynthesis? A.

C6H12O6 + 6O2

6CO2 + 6H2O

B.

6CO2 + 6H2O

C6H12O6 + 6O2

C.

C6H12O6 + 6O2

6CO2 + 12H2O

D.

6CO2 + 6H2O

C5H10O5 + 6O2

A. C6H12O6 + 6O2 6CO2 + 6H2O - Wrong. This is the correct equation for respiration.

10) In genetics what term is given to the appearance of an organism?

A. Genotype B. Genome C. Gene pool D. Phenotype

A. Genotype - Wrong. This is the genes present.

B. Genome - Wrong. This is the complete genetic make-up of the organism. .

C. Gene pool - Wrong. This is the genes present in the whole population.

.

The figure shows the bones and muscles of the upper and lower arm. Study it and answerquestions 11, 12 and 13.

11) What is the name of the bone labelled I?

A. Femur B. Humerus C. Radius D. Ulna

A Femur - Wrong. This is the bone in the thigh. .

C Radius - Wrong. This is one of the bones of the lower arm. .

D Ulna - Wrong. This is the other bone of the lower arm.

12) What is the type of muscle labelled II?A. Cardiac B. Smooth C. Striated D. Involuntary

A. Cardiac - Wrong. This is the muscle found in the heart.

B. Smooth - Wrong. This is also called involuntary muscle over which you have no

conscious control.

, .

D. Involuntary - Wrong. This is smooth muscle.

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13) What type of joint is present at III, the elbow?

A. HingeB. Ball and

socketC. Sliding D. Fixed

B. Ball and socket - Wrong. This type of joint allows rotation.

.

C. Sliding - Wrong. This type of joint usually allows movement of bones across one another

giving a wide range of movement. - .

.

D. Fixed - Wrong. This type of joint does not allow any movement. -

. .

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?

A. Phloem B. Xylem C. Parenchyma D. Cambium

A. Phloem - Wrong. Phloem conducts material from leaves to other parts of the

plant. .

C. Parenchyma - Wrong. Parenchyma is a general cell making up the contents of

the stem. - . , .

D. Cambium - Wrong. Cambium cells divide to produce xylem and phloem. Cambium

, .

15) What tissues provides support to hold up the stem of a plant? ,

A. Phloem B. Xylem C. Parenchyma D. Cambium

16) What is the process that moves water through a plant?

A. Guttation B. Replication C. Transpiration D. Germination

A. Guttation - Wrong. This is the loss of water as droplets from leaves in some plants

.

B. Replication - Wrong. This term is used to mean producing copies of a DNA molecule.

D. Germination - Wrong. This is the term used to describe the development of a seed

into a plant. .

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17) If a plant is described as xerophytic, what conditions will it live and grow in?

A. Salty soils B. Wet soilsC. Cold

climates

D. Dry

conditions

A. Salty soils - Wrong. Halophytes grow well in salty conditions.

18) What name is given to the type of cell that carries oxygen in blood?A. Lymphocyte B. Leucocyte C. Erythrocyte D. Phagocyte

A. Lymphocyte - Wrong. This is a type of white blood cell.

B. Leucocyte - Wrong. This is the name given to all types of white blood cell.

D. Phagocyte - Wrong. This is a type of white blood cell that engulfs and destroys bacteria.

. , , (.;.) . , .

19) What is the red pigment present in cells that carry oxygen?

A. Haemoglobin B. Pepsin C. AdrenalinD.

Immunoglobin

B. Pepsin - Wrong. This is the enzyme produced in the stomach to digest protein.

C. Adrenalin - Wrong. This is a hormone that prepares the body for action.

D. Immunoglobin - Wrong. This is a protein produced by white blood cells to destroy

bacteria.

20) Which of the following, found in animals, is NOT a protein?

A. Hair or fur B. Nails or

claws

C. Haemoglobin D. Glycogen

A. Hair or fur - Wrong. These are made of the protein keratin.

B. Nails or claws - Wrong. These are made of the protein keratin.

C. Haemoglobin - Wrong. This is the protein found in red blood cells.
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21) Which gland produces the hormone insulin?

A. I B. II C. III D. IV

A. I - Wrong. This is the thyroid gland that produces thyroid

hormone that controls metabolic rate.C. III - Wrong. This is the adrenal gland that produces adrenalin.

D. IV - Wrong. The ovary produces oestrogen and other female hormones.

22) What is the target tissue of the hormone insulin?

A. Kidney B. Stomach C. Liver D. Pituitary

gland

A. Kidney - Wrong. The kidney does respond to other hormones that control water loss.B. Stomach - Wrong. Some stomach secretions are stimulated by other hormones during

eating.

D. Pituitary gland - Wrong. This gland produces many hormones some of which

control other glands.

23) What is phototropism?

A.

Growth of a plant

towards light

B.

The light stage of

photosynthesis

C.

An animal's

response to sun rise

D.

A bee's ability to fly

towards flowers

B. The light stage of photosynthesis - Wrong. It is called the light stage or the light

dependent stage

C. An animal's response to sun rise - Wrong. Animals do show activity linked to sun rise

and sun set but phototropism is growth, not a general daily response.

D. A bee's ability to fly towards flowers - Wrong. Bees can navigate accurately but

phototropism is growth rather than movement.

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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?

A. Incisors B. Molars C. Canines D. Premolars

A. Incisors - Wrong. These are cutting teeth at the front of the mouth

C. Canines - Wrong. These are sharp teeth used to grip, kill or cut food.

D. Premolars - Wrong. These are in front of molars and are used to chew or cut food rather

than grind it.

25) What is the approximate pH of the stomach of a mammal?

A. 1-2 B. 4-5 C. 7-8 D. 12-14

B. 4-5 - Wrong. This is acidic but the stomach secretes hydrochloric acid which will have a

lower pH.

C. 7-8 - Wrong. This would be near the pH of the small intestine.

D. 12-14 - Wrong. Strong alkali pHs are not found in the gut of animals.

26) What does the term absorption mean?

A.

The breakdown of

protein into amino

acids

B.

The production of

pancreatic enzymes

C.

The uptake of

digested food into

the blood

D.

The transport of

amino acids in the

lymphatic system

A. The breakdown of protein into amino acids - Wrong. This would be digestion.

B. The production of pancreatic enzymes - Wrong. This would be secretion.

D. The transport of amino acids in the lymphatic system - Wrong. It is fats that are

absorbed into the lymphatic system.

28) To what phylum do birds belong?

A. Arthropoda B. Mollusca C. Chordata D. Reptilia

A. Arthropoda - Wrong. These are animals with a hard outer exoskeleton such as insects. , .

B. Mollusca - Wrong. These are animals with shells such as snails.

D. Reptilia - Wrong. This is a class within the Phylum Chordata. .

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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?

A.

Homo is the class

and sapiens thegenus

B.

Homo is the order

and sapiensthespecies

C.

Homo is the species

and sapiensthegenus

D.

Homo is the genus

and sapiensthespecies

A. Homo is the class and sapiens the genus - Wrong. The formal name of an organism is

always the genus and species.

B. Homo is the order and sapiens the species - Wrong. The formal name of an organism is


C. Homo is the species and sapiens the genus - Wrong. The formal name of an organism is


30) What gas is a major cause of global warming?

A. Argon B. NitrogenC. Carbon

dioxide

D. Sulphur

dioxide

set bio

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