Affiliate Marketing Secrets

MCQ is Multiple Choice Qustions. There are 18 questions, it may seem alot but its not really. For each question the answer is either A, B, C or D and ONLY one option is correct per question. It would mean the world to me if somebody can help answer some questions!!
Q1. Developmental genes are
(a)usually highly variable
(b)never expressed
(c)highly conserved
(d)found in the mitochondrial genome.
Q2. In development, patern formation is controlled by
(a) homeopathic genes
(b)homeotic genes
(c)homolytic genes
(d)homeostatic genes.
Q3. The expotential model of growth
(a)describes a population whose growth is unlimited
(b)incorporates the concept of carrying capacity
(c)described by a sigmoidally shaped curve
(d)exhibited by paramecium grown in the lab with limited nutrients
Q4. In ecology, density independent pop. growth
(a)results from decreased fecundity
(b)is associated with crowded pops.
(c)results from competition for resources
(d)may be associated with stochastic events
Q5. Predation of one species on another is
(a) detrimental to both species
(b)beneficial to one, detrimental to the other
(c)beneficial to both
(d) beneficial to one, but the other is unaffected
Q6. Which is NOT associated with competition
(a)realized niche
(b)resource partitioning
(c)charater displacement
(d) aposematic colouration
Q7. Hormones act in a tissue specific manner because
(a)endocrine glands affect only nearby tissue
(b) hormones are carried in blood to only specific tissues
(c)different tissue differ in hormone receptors and intracellular effector proteins
(d)hormones are transported in axons to specific tissues.
Q8. An unequal distribution of ions inside/outside a nerve cell is essential for generating its resting membrane, at rest there is a
(a)higher concentration of K+ inside the cell
(b)higher conc. of K+ outside the cell
(c) a higher conc. of Na+ inside the cell
(d) a higher conc. of Cl- inside the cell
Q9. In nerve cells the stimulus aptitude is encoded in the
(a)size of action potential
(b)frequency of action potentials
(c)duration of action potentials
(d)resting membrane potential
Q10. Hair cells in the inner ear are activated by
(a)attachment to the middle ear bones
(b)vibrating fluid in the inner ear
(c)attachment to the tympanum
(d)by hair like extensions from adjacent cells
Q11. Motorneurons stimulate muscle cells by
(a) transmission of action potentials via electrical synapse
(b)release of GABA
(c)release of acetylcholine
(d)release of Na+
Q12. What is the function of extracellular digestion(a)mechanical digestion(b)chemical digest.(c)nutrient absorption(d)food moistening and storage
Q13. An osmoregulator that can only tolerate a narrow range of salinities is called
(a)euryhaline
(b)stenohaline
(c)hypoosmotic
(d)hyperosmotic
Q14. Macrophages are
(a)giant cells that eat viruses for nutrient supply
(b)phagocytizing cells that differentiate from monocytes outside the blood stream
(c) cells that can remember what has been phagocytized previously for enhanced secondary response
(d)unicellular parasites that phagocytose our cells
Q15. Humans can make billions of different antibodies, but the human genome encodes just 25,000 genes, how is it possible
(a)antibodies are custom produced against all pathogens
(b)each individual antibody evolves through its lifespan differently
(c)somatic recombination of DNA enables each lymphocyte to produce a different antibody
(d)many gene fragments encode different antibodies
Q16. Which of the following is true of the complement system
(a)its is only part of adaptive immunity
(b)it is only part of innate immunity
(c)it belongs neither to innate or adaptive immunity but forms part of passive immunity
(d)its an effector mechanism of both innate and adaptive immunity
Q17. What is immunoglobulin g IgG
(a)an antibody that can cross the placenta
(b)an antibody that is primarily found in secretions of breast milk
(c)a pentameric antibody that is the 1st to be secreted following infection
(d)a globular protein that carries macrophages to their targets
Q18. What is clonal expansion? It is the
(a)proliferation of individual monocytes following antigen stimulation
(b)proliferation of individual granulocytes following antigen stimulation
(c)proliferation of individual lymphocytes follwing antigen stimulation
(d)the growth of genetically identical red blood cells

a. interspecific competition
b. intraspecific competition
c. niche (fundamental/realized)
d. competitive exclusion principle
e. resource partitioning
f. saw tooth curve

A. Niche competition C. Interspecific competition
B. Competitive exclusion principle D. Resource partitioning

Question 6
The many amazing chemicals produced by plants and animals, that humans have found uses for as medicines, were produced by these organisms as _____.
for no good reason that anyone can find
helpful aids to human health
defenses against competitors or predators
Question 7
When a food supply is subdivided to create two different realized niches, this is an example of _____.
symbiosis
competitive exclusion
a density-independent effect
resource partitioning
8
Competition is _____.
good for both the winner and loser
deterimental to both species involved
bad for the loser but good for the winner
Question 9
Which relationship is sometimes considered a special type of predation where the predator typically does not kill its victim?
competition
commensalism
parasitism
mutualism
Question 10
When an organism kills another organism in order to gain a food supply, the organism doing the eating is called a _____.
host
predator
parasite
prey
Question 11
When predators are removed from an ecosystem, what is the typical result?
biodiversity in prey species increases
there is no significant change
biodiversity in prey species decreases
Question 12
A predictable and orderly change in an ecosystem, where one community is replaced by another that is more complex, is called _____.
succession
commensalism
competitive exclusion
endosymbiosis
Question 13
Some ants are “aphid ranchers”. The ants feed on the aphid’s sugary excretions, and the ants will carry the aphids to new plants so that the aphids always have a food supply. This is an example of a _____.
commensalism
predation
parasitism
mutualism

A. decreased competition between two species leads to increased niche specialization. B. character displacmement is evidence of competition and resource partitioning. C. no tw species can occupy the same ecological niche at the same time. D. adjacent ecological niches lead to the elimination of one of the niches.