Questions

Q:

Self pollination will lead to

A) Inbreeding B) Over breeding
C) Outbreeding D) Rare breeding
 
Answer & Explanation Answer: A) Inbreeding

Explanation:

Self pollination occurs in the flowers when the pollen grains of the flower falls on the stigma of the same due to wind or insects like moths and bees. This lead to the inbreeding.

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Q:

Select the correct statement about the ureters.

A) The ureter is innervated by parasympathetic nerve endings only. B) Ureters contain sphincters at the entrance to the bladder to prevent the backflow of urine.
C) The epithelium is stratified squamous like the skin, which allows a great deal of stretch. D) The ureters are capable of peristalsis like that of the gastrointestinal tract.
 
Answer & Explanation Answer: D) The ureters are capable of peristalsis like that of the gastrointestinal tract.

Explanation:
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Q:

The largest region of the brain is the

A) Cerebellam B) Cerebrum
C) Medullaoblangata D) None of the above
 
Answer & Explanation Answer: B) Cerebrum

Explanation:

Cerebrum is the largest region of the brain.

the_largest_region_of_the_brain_is_the1551789656.png image

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Q:

The mechanism of material removal in EDM process is

A) Erosion and Cavitations B) Cavitations and Evaporation
C) Melting and Evaporation D) Melting and Corrosion
 
Answer & Explanation Answer: C) Melting and Evaporation

Explanation:

Electrical discharge machining (EDM), also known as spark machining, spark eroding, burning, die sinking, wire burning or wire erosion, is a manufacturing process whereby a desired shape is obtained by using electrical discharges.

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Q:

The force that generates wind is

A) Gravity force B) Pressure gradient force
C) Coriolis force D) Centrifugal force
 
Answer & Explanation Answer: B) Pressure gradient force

Explanation:

Wind is the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air. The force that generates wind is called as Pressure gradient force.

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Q:

Cognitive neuroscientists can examine the brain with

A) PET & MRI B) Gama images & electrolysis
C) electrolysis & PET D) MRI & electrolysis
 
Answer & Explanation Answer: A) PET & MRI

Explanation:
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Q:

Improve the bracketed part of the sentence.
(People have been long known) how important the trees are to them.

A) People have to know long B) People had long known
C) People have long known D) No improvement
 
Answer & Explanation Answer: C) People have long known

Explanation:
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Q:

Which statement regarding the era of Reconstruction is FALSE?

A) the 14th Amendment made African-Americans citizens of the U.S. B) the 13th Amendment outlawed slavery in all American states
C) federal law was changed to abolish slavery in states where it still existed D) state laws and customs upheld the constitutional amendments
 
Answer & Explanation Answer: D) state laws and customs upheld the constitutional amendments

Explanation:
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