BIOLOGY 120 – MIDTERM EXAM
Your name:
Students please note: to each question, there is only a single correct answer. Highlight the correct answer, by using one of the colour options of WORD. Then upload the exam via the assignment folder in class by Saturday 03. October, 2009: 24:00 German time.
1. Autotrophs
a) are parasitic plants.
b) can make their own food.
c) need no water to survive.
d) grow high up in the trees were they can get lots of light.
2. Photosynthesis occurs
a) in the stacks of thylakoid membranes.
b) in the chloroplasts.
c) in the mesophyll cells.
d) in all of the above.
3. The cell cycle of somatic cells consists of
a) interphase, metaphase, telophase and anaphase.
b) interphase and mitosis.
c) mitosis, G1, and G2 phases.
d) interphase and meiosis.
4. The wood we use to build shops, houses, etc., is
a) Xylem.
b) Phloem.
c) Meristematic tissue.
d) Sclerenchyma.
5. Baobab trees are to be found in
a) Canada.
b) Madagascar.
c) The American Tropics.
d) Southern Europe.
6. Flowers are
a) modified stems.
b) modified leaves.
c) modified roots.
d) are separate organs and have nothing to do with the above.
7. Out of water and CO2, green plants can produce
a) carbohydrates and oxygen.
b) sugar and hydrogen.
c) proteins and air.
d) none of the above.
8. In plant cells, the vacuoles can occupy up to …. % of the volume
a) 20.
b) 40.
c) 70.
d) 90.
9. Taproots
a) usually penetrate deeper than fibrous roots.
b) are characterized by adventitious roots.
c) have a zone of elongation but no zone of maturation.
d) do not need root hairs.
10. Amber is
a) fossilised resin.
b) fossilised honey.
c) fossilised cytoplasm.
d) not a plant product.
11. The potatoes we eat are
a) stems.
b) fruits.
c) roots.
d) all of the above.
12. Deforestation occurs at the rate of
a) 1 football field per second.
b) 1 football field per minute.
c) 1 football field per hour.
d) 1 football field per day.
13. Classification of plants according to the Linnean method is mainly based on:
a) the size and colour of flowers.
b) sexual organs.
c) leaves, stems and roots.
d) geographic distribution.
14. Insectivorous plants grow in areas
a) with warm climates.
b) with poor soils.
c) never in water.
d) in areas with very many different insects.
15. Using a monohybrid cross AA x aa in which there is complete dominance, the F2 generation will show a phenotypic ratio of
a) 3:1.
b) 5:5.
c) 1:2:1.
d) 9:3:3:1.
16. Trees are important for
a) cooling the air.
b) cleaning the air.
c) stabilising mountain slopes.
d) the water cycle.
e) all of the above.
17. A strawberry is
a) a nut.
b) a multiple fruit.
c) an aggregate fruit.
d) a berry.
18. Plant DNA contains
a) a sugar-phosphate backbone.
b) five base pairs.
c) protein bonds.
d) enzymes.
19. Sexual reproduction
a) results in genetic variation.
b) is the only way by which plants can proliferate.
c) always requires two individual plants.
d) always requires insects.
20. Biological membranes have
a) hydrophilic tails and hydrophobic heads.
b) hydrophobic tails and hydrophilic heads.
c) hydrophilic tails and hydrophilic heads.
d) hydrophobic tails and hydrophobic heads.
This exam is composed of 20 (twenty) questions. Please go back and make sure that you have answered all 20 (twenty) questions.
--- End of Exam ---
half way done can any one check the ones i answered? ive been using google, wikipedia, and my book but im horrible at tests and always second guess myself ill update thread as i go along
Your name:
Students please note: to each question, there is only a single correct answer. Highlight the correct answer, by using one of the colour options of WORD. Then upload the exam via the assignment folder in class by Saturday 03. October, 2009: 24:00 German time.
1. Autotrophs
a) are parasitic plants.
b) can make their own food.
c) need no water to survive.
d) grow high up in the trees were they can get lots of light.
2. Photosynthesis occurs
a) in the stacks of thylakoid membranes.
b) in the chloroplasts.
c) in the mesophyll cells.
d) in all of the above.
3. The cell cycle of somatic cells consists of
a) interphase, metaphase, telophase and anaphase.
b) interphase and mitosis.
c) mitosis, G1, and G2 phases.
d) interphase and meiosis.
4. The wood we use to build shops, houses, etc., is
a) Xylem.
b) Phloem.
c) Meristematic tissue.
d) Sclerenchyma.
5. Baobab trees are to be found in
a) Canada.
b) Madagascar.
c) The American Tropics.
d) Southern Europe.
6. Flowers are
a) modified stems.
b) modified leaves.
c) modified roots.
d) are separate organs and have nothing to do with the above.
7. Out of water and CO2, green plants can produce
a) carbohydrates and oxygen.
b) sugar and hydrogen.
c) proteins and air.
d) none of the above.
8. In plant cells, the vacuoles can occupy up to …. % of the volume
a) 20.
b) 40.
c) 70.
d) 90.
9. Taproots
a) usually penetrate deeper than fibrous roots.
b) are characterized by adventitious roots.
c) have a zone of elongation but no zone of maturation.
d) do not need root hairs.
10. Amber is
a) fossilised resin.
b) fossilised honey.
c) fossilised cytoplasm.
d) not a plant product.
11. The potatoes we eat are
a) stems.
b) fruits.
c) roots.
d) all of the above.
12. Deforestation occurs at the rate of
a) 1 football field per second.
b) 1 football field per minute.
c) 1 football field per hour.
d) 1 football field per day.
13. Classification of plants according to the Linnean method is mainly based on:
a) the size and colour of flowers.
b) sexual organs.
c) leaves, stems and roots.
d) geographic distribution.
14. Insectivorous plants grow in areas
a) with warm climates.
b) with poor soils.
c) never in water.
d) in areas with very many different insects.
15. Using a monohybrid cross AA x aa in which there is complete dominance, the F2 generation will show a phenotypic ratio of
a) 3:1.
b) 5:5.
c) 1:2:1.
d) 9:3:3:1.
16. Trees are important for
a) cooling the air.
b) cleaning the air.
c) stabilising mountain slopes.
d) the water cycle.
e) all of the above.
17. A strawberry is
a) a nut.
b) a multiple fruit.
c) an aggregate fruit.
d) a berry.
18. Plant DNA contains
a) a sugar-phosphate backbone.
b) five base pairs.
c) protein bonds.
d) enzymes.
19. Sexual reproduction
a) results in genetic variation.
b) is the only way by which plants can proliferate.
c) always requires two individual plants.
d) always requires insects.
20. Biological membranes have
a) hydrophilic tails and hydrophobic heads.
b) hydrophobic tails and hydrophilic heads.
c) hydrophilic tails and hydrophilic heads.
d) hydrophobic tails and hydrophobic heads.
This exam is composed of 20 (twenty) questions. Please go back and make sure that you have answered all 20 (twenty) questions.
--- End of Exam ---
half way done can any one check the ones i answered? ive been using google, wikipedia, and my book but im horrible at tests and always second guess myself ill update thread as i go along
