Download الاسئلة المساعدة للطلاب الدوري 2 Bio110

Biodiversity:
1. A Pathogenic bacteria secreting ________________ that cause
diseases in humans.
A) Hormons
B) Toxins
C) Enzymes
D) Carbohydrates
E) fats
2. Which of these organisms uses light energy to manufacture food
for itself?
A) a heterotroph.
B) a carnivore.
C) an
omnivore.
D) an autotroph.
E) fungi.
3. Choose the correct written scientific name for humans from the
following.
C) homo
A) Homo Sapiens
B) Homo sapiens.
Sapiens
D) H. Sapiens
E) homo sapiens
4. Nonvascular plants lack_________.
A) conducting structures
C) leaves
D) stems
B) true roots
E) all the above
5. Prokaryotic organisms that live in extreme salt conditions are
known as _________
A) thermophiles.
B) neutrophiles
C) basophiles
D) acidophiles.
E) halophiles.
6. Bacterial endospores are capable of withstanding what types of
conditions:
A) drying.
B) freezing.
C) high
temperature.
D) strong chemicals. E) all of the above.
7. Which one lists the taxonomic categories in correct order from
lower to most higher levels ?
A) genus, family, class, order, phylum
B) genus, phylum, family, order, class
C) genus, family, order, class, phylum
D) family, genus, order, phylum, class
E) family, genus, class, order, phylum
8. The ancestors of the earliest land plants were probably________.
A) alveolates
B) brown algae
C) green algae
D) cyanobacteria
E) Mosses
9. A mushroom is identified as________
A) bacteria
B) protozoans
C) fungi
D) plants
E) yeast
Bioenergetic:
10. Major functions of membrane proteins include __________.
A) signal transduction
B) acting as enzymes
C) transport
D) all of the above
E) none of the above.
11.______________is a series of chemical reactions that either break
down a complex molecule or buildup a complex molecule.
A) Metabolic pathway
B) Thermodynamic
C) Kinetic energy
D) Potential energy.
E) Diffusion
12.Which of the following are products of cellular respiration?
A) oxygen and carbon dioxide
B) ATP and carbon dioxide
C) oxygen and glucose
D) oxygen and ATP
E) glucose and carbon dioxide
13. Which of the following processes produces the 38 ATP per
molecule of glucose?
a) lactic acid fermentation
b) anaerobic respiration
c) alcoholic fermentation
d) aerobic respiration
e) none of the above
14.If the helper of an enzyme is an organic molecule it is
called_______
A) co-inhbitor
B) co-enzyme
C) co-activator
D) co-modifier
E) co-factor
15. During Photosynthesis:
a) Both CO2 and water get oxidized
b) Both CO2 and water get reduced
c) Water is oxidised and CO2 is reduced
d) Water reduced and CO2 is oxidized
e) None of the above
16.breathing is ________, and cellular respiration ________.
a) produces ATP . . . is gas exchange
b) gas exchange . . . produces ATP
c) produces glucose . . . produces oxygen
d) uses glucose . . . produces glucose
e) produces glucose . . . is gas exchange
17. The biological membrane of an animal cell could be described as
fluid….
a) Membrane.
b) Structure.
c) Mixture.
d) Solution.
e) Mosaic.
Nutrition
18.Plant Parasites are incapable of __________ therefore absorb
organic molecules from host plant.
A) breathing
B) photosynthesis
C) cellular respiration
D) absorbing water E) nitrogen fixation
19.Water and solutes enter the xylem cells of a plant root by way of
the intracellular route through _________.
A) Cell wall
B) plasma membrane
C) Central vacuole
D) Chloroplast
E) Plasmodesmata
20.The liver performs all the following functions EXCEPT :
A) glycogen synthesis.
B) change toxin to less toxic.
C) produce bile.
D) lipoprotein synthesis.
E) secretes HCL.
21.Exercise ______________ HDLs levels (as a type of cholesterol),
whereas smoking decreases HDLs levels.
A) decreases
B) increases
C) equalizes
D) modifies
E) nullifies
22.The muscular contraction and relaxation which moves food along
the alimentary canal is called:
A) diffusion
B) peristalsis
C) active transport
D) relaxing Muscles
E) voluntary movement
23. Which layer of soil horizons contains decayed organic matter
called humus__________.
a) B- horizon
b) A- horizon
c) D- horizon
d) C- horizon