 |
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IV-What organelles are abundant in the following cells?
1-The liver and muscle cells. ( ……………… )
2-The glandular cells. ( ……………… )
3-White blood cells. ( ……………… )
4-The green leaves. ( ……………… )
V-What is meant by:
1-Chromatin reticulum.
……………………………………………………………………………………
2-The gyncophoric groove.
……………………………………………………………………………………
3-The Magnification power.
……………………………………………………………………………………
VI-Compare between:
1-Vegetative and reproductive activities.
…………………………………………………………………………………………………………………………..
………………………………………………………………………………………………………………………….
2-Chloroplasts and chromoplasts and leucoplasts.
………………………………………………………………………………………………………………………….
………………………………………………………………………………………………………………………….
3-Simple and compound (complex) tissues.
………………………………………………………………………………………………………………………..
………………………………………………………………………………………………………………………..
4-Xylem tissue and phloem tissue.
………………………………………………………………………………………………………………………..
………………………………………………………………………………………………………………………..
VII-llustrate with labeled diagrams the following:
1-Longitudinal section in the phloem.
2-Bone tissue.
3-Blood tissue.
4-The neuron (nerve cell)
5-Cardiac muscle fibers.
VIII-Give reasons for:
1-Pancreas is considered as mixed gland
……………………………………………………………………………………
2-The proper connective tissue has the ability to return back to its first state when exposed to pressure.
……………………………………………………………………………………
3-Bones are harder than cartilage.
……………………………………………………………………………………
4-Bone fractures heal fast.
……………………………………………………………………………………
5-Blood is considered as connective tissue.
……………………………………………………………………………………
6-The presence of dark bands in the striated muscles.
……………………………………………………………………………………
7-Smooth muscles are involuntary muscles.
……………………………………………………………………………………
8-The heart beats in a rhythmic way.
……………………………………………………………………………………
IX-Mention the function of the following:
The skeletal connective tissue.
……………………………………………………………………………………
X-Mention the type of muscular tissue in the walls of the following organs :
1-Urinary bladder. ( ………………)
2-Biceps (arm muscles) (……………… )
3-Trachea. ( ………………)
4-Heart. ( ………………)
5-Alimentary canal. (……………… )
Sheet 3
I-Fill in the blanks about nerve cells:
1-Each nerve cell has one …………… carrying nerve impulses away from the cell.
2-…………… is a fatty material which surrounds most axons of nerve cells.
3-The myelin sheath is absent at intervals along the axon. The breaks are the ……………
4-The axon is encased in a series of …………… cells which surround the axon and myelin sheath.
 |
II-Choose a complement for the statements in column B:
| A. Stages in mitosis | B. Action taking place |
| 1. Prophase | ( ) a. Duplication of chromatin material. |
| 2. Metaphase | ( ) b. The nuclear membrane disappears. |
| 3. Anaphase | ( ) c. The chromosomes line in the middle of the cell. |
| 4. Telophase | ( ) d. The spindle fibers shrink, pulling chromatids to the poles of the cell. |
| 5. Interphase |
| 6. Somatic cells are | ( ) e. haploid |
| ( ) f. diploid | |
| 7. Reproductive cells are | ( ) g. produced by meiosis |
| ( ) h. Produced by mitosis |
III-Compare between the prophase in mitotic division and first meiotic with drawing.
Sheet 4
I-Match the pollutant with its effect:
| 1. Ozone gas in lower layer of the atmosphere | ( ) Decrease vision and cause plant death. |
| 2. Radioactive pollutants | ( ) Cause heart disease. |
| 3. CO2 | ( ) Reacts with acids forming smog. |
| 4. Pollen grains | ( ) A biological pollutant that causes allergy. |
| 5. Cadmium particles | ( ) Are responsible for cancer and congenital (new born) deformities. |
| 6. Unburned carbon particles | ( ) Absorbs heat radiated from the Earth and prevents its lose therefore Earth's temperature increases. |
II-Match the air pollutant with its source:
| Air pollutant | Source |
| 1. Pollen grains | ( ) burning of organic fuel. |
| 2. Carbon particles | ( ) biological source. |
| 3. Lead particles | ( ) exhaust of transportation |
| 4. Freon | ( ) aerosols |
III-Give reasons for:
1. Developed countries are banning the use of Freon.
…………………………………………………………………………………
2. Radioactive wastes are buried deeply in the ground.
…………………………………………………………………………………
3. Ozone is an important gas in the atmosphere but also a cause of pollution.
…………………………………………………………………………………
Sheet 5
I-What's meant by:
1-Water pollution:
……………………………………………………………………………………
2-Food poisoning:
……………………………………………………………………………………
II-Give reasons for:
1-Bone cancer spreads largely between Japanese rice farmers.
……………………………………………………………………………………
……………………………………………………………………………………
2-Power stations and nuclear reactors shouldn't dispose hot water in the river.
……………………………………………………………………………………
……………………………………………………………………………………
III-Match:
| A | B |
| 1. Strontium 90 | ( ) are organisms that feed on the host. |
| 2. Salmonella | ( ) is highly radioactive substance. |
| 3. Parasites | ( ) is a bacteria that causes food poisoning. |
| 4. Arsenic and lead | ( ) are inorganic soil pollutants. |
Sheet 6
I-Write the scientific term for the following sentences:
| 1-Enormous increase in the population growth. | |
| 2. Mating between males and females of best desirable traits according to external appearance. | |
| 3. Mating pure males of known origin, high productivity, good traits to ordinary female. | |
| 4. An energy which does not cause environmental pollution. | |
| 5. The decline in the biological products of the soil. |
II-Choose the correct answer:
1-A stable stage is characterized by decrease in ……………
(pollution – birth rate – death rate – birth an death rate)
2-…………… is from the crops which grow better in clay soil.
(Orange – Cotton – Orange and cotton – Banana)
3-Peanuts grow better in …………… soil.
(sandy – clay – loamy – non of them)
4-Coasted decay is caused by ……………
(water currents – tides – waves – all of them)
5-The positive effects of the high dam include ……………
(spreading of weeds – absence of clay – coastal decay – increase in the agricultural land)
III-Give reasons for:
1-Emigration is not an effective solution for the population problem in Egypt.
……………………………………………………………………………………………………………………………………
2-The increase in the population is not a real problem in all cases.
……………………………………………………………………………………………………………………………………
3-Economic development has no effect without birth control.
……………………………………………………………………………………………………………………………………
4-The effect of waves differs from a coast to another.
……………………………………………………………………………………………………………………………………
IV-Compare between:
1-The demographic stages of Egypt and France according to:
(Birth rate – death rate – medical care – normal increase in population)
…………………………………………………………………………………………
…………………………………………………………………………………………
…………………………………………………………………………………………
…………………………………………………………………………………………
…………………………………………………………………………………………
2-Clay soil, Sandy soil, Loamy soil
…………………………………………………………………………………………
…………………………………………………………………………………………
…………………………………………………………………………………………
…………………………………………………………………………………………
…………………………………………………………………………………………
Sheet 7
I-Choose from column (B) what suits column (A):
| (A) | (B) |
| 1. John ray | ( ) used natural taxonomy in his classification. |
| 2. Carl Linnaeus | ( ) depended on the cellular characteristics in his classification. |
| 3. Whittaker | ( ) considered living organisms on the basis of their general characters. |
II-Give reasons for:
1-Using the Binomial system in naming living organisms.
……………………………………………………………………………………………………………………………………..
2-The recent system of classification is preferred on the old system of classification.
……………………………………………………………………………………………………………………………………..
3-Blue green algae are autotrophs.
……………………………………………………………………………………………………………………………………..
4-Protists are more developed than Monerans.
……………………………………………………………………………………………………………………………………..
5-Nostoc belongs to kingdom monera while Amoeba belongs to kingdom protista.
……………………………………………………………………………………………………………………………………..
III-What is meant by:
1-Species as defined by John ray.
…………………………………………………………………………………………………………………………………….
2-Viruses.
…………………………………………………………………………………………………………………………………….
IV-Write the scientific term for the following sentences:
| 1. Living organisms whose nucleus is not surrounded by a nuclear membrane and the hereditary material does not appear in the form of chromosomes. | |
| 2. The smallest living organisms that exist every where, even inside our bodies. | |
| 3. Aquatic living organism which are a source of food for fish and form petroleum sediments. |
V-Choose the correct answer:
1-…………… is fro the unicellular organisms which has no nuclear membrane.
(Bacteria – Euglena – Trypanosoma – Amoeba)
2-Bacteria are essential for some industries from which ……………
(yoghurt – leather tanning – vinegar – all of them)
3-Pigments are present in ……………
(bacteria – blue green algae -amoeba – sporozoa)
4-Nostoc belongs to kingdom ……………
(Plantae – Monera – Protista – Fungi)
5-…………… moves by cilia.
(Amoeba – Paramicium – Plasmoduim – Trypanosoma)
6-All of the following are autotrophs except ……………
(Euglena – Blue green algae – Trypanosoma)
Sheet 8
I-Give reasons for:
1-Monerans are called prokaryotes .
…………………………………………………………………………………………………………………………………….
2-The protists are called Eukaryotes.
Amoeba belongs to protista.
…………………………………………………………………………………………………………………………………….
3-Fungi live as parasites or saprophytes.
…………………………………………………………………………………………………………………………………….
4-Onion belongs to sub-class Monocotyledonae..
…………………………………………………………………………………………………………………………………….
5-Shrimp is considered from the Arthropodes.
…………………………………………………………………………………………………………………………………….
6-Scrpion belongs to Arachnida and not Insecta.
…………………………………………………………………………………………………………………………………….
7-The frog lays its eggs in water.
…………………………………………………………………………………………………………………………………….
8-The skin of the frog is always smooth and moistened.
…………………………………………………………………………………………………………………………………….
9-Aves and Mammals are warm blooded.
…………………………………………………………………………………………………………………………………….
10-Duck-billed platypus is considered a link between Aves and mammals.
…………………………………………………………………………………………………………………………………….
11-The female kangaroo has a pouch on its abdomen.
…………………………………………………………………………………………………………………………………….
12-The whale belongs to mammals although it lives in water.
…………………………………………………………………………………………………………………………………….
13-Primates are the most developed mammals.
…………………………………………………………………………………………………………………………………….
II-Mention the diseases caused by each of the following:
1-Viruses.
2-Trypanosoma.
3-Plasmodium.