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Q:

Which of the following can be a cause of fratricide?

A) Clearance of Fires Error B) Fatal Navigation Error
C) Failures in the direct fire control plan D) All of the above

Answer:   C) Failures in the direct fire control plan



Explanation:

Fratricide means the accidental killing of one's own forces in war.

 

Failures in the direct fire control plan can lead to be a cause of fratricide.

Subject: General Science
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Q:

Condition of decreased oxygen in the blood

A) Hematemesis B) Hypercapnia
C) Hemoptysis D) Hypoxemia
 
Answer & Explanation Answer: D) Hypoxemia

Explanation:

Oxygen deficiency or decreased oxygen levels in the blood is a condition known as Hypoxemia.

 

Hypercapnia means High carbon dioxide levels in the blood.

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Q:

Where does transcription occur in the cell?

A) Cytoplasm B) Nucleus
C) Ribosome D) None of the above
 
Answer & Explanation Answer: B) Nucleus

Explanation:

Transcription is a process of production of mRNA which occurs in the nucleus of the cell. After transcription, translation which occurs in the cytoplasm.

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Q:

Which of the following is a function of Earth's atmosphere?

A) supplies the oxygen and water for life B) screens out much of the Sun's ultraviolet radiation
C) insulates the surface against temperature extremes D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Here all the options given are important functions of Earth's atmosphere.

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Q:

What is the best way to prevent pest infestation?

Answer

Pest infestation is nothing but the presence of large number of pests at a place, typically so as to cause damage or disease.


 


Climatic conditions affect a considerable number of pests. Some are more active during warmer periods than others. As these summer insects invade your home, they're likely in search of food, water, shelter, or have encountered an entrance. To pest-proof your home this summer, it's best to remove their 'WHY’ or reason for entering your home.


* Keep your place clean and dry. Make sure there is no food laying about.


* Removing food residue - food is a common attraction to a number of different pests.


* Regular disinfection of the surfaces.

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Q:

Human gametes are produced by

A) Mitosis B) Meiosis
C) Replication D) None of the above
 
Answer & Explanation Answer: B) Meiosis

Explanation:

In humans all reproduction is sexual. It involves joining together haploid gamete cells from each parent with half the normal number of chromosomes to make a new cell containing both parents' genetic material. This is a diploid zygote. The cells from each parent that combine to form the zygote are called gametes.

 

Meiosis produces haploid gametes from a diploid parental cell.

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Q:

A protein that acts as a hormone is

A) Estrogen B) Insulin
C) Both A & B D) None of the above
 
Answer & Explanation Answer: B) Insulin

Explanation:

A protein that acts as a hormone is INSULIN.

a_protein_that_acts_as_a_hormone_is1534420157.jpg image

Insulin is a peptide hormone produced by beta cells of the pancreatic islets; it is considered to be the main anabolic hormone of the body.  Insulin helps keeps your blood sugar level from getting too high or too low.  

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Q:

Select the four statements about Plasmodium that are true.

 

A)  Inside an infected mosquito, haploid gametes fuse, forming a diploid zygote that develops into an oocyst

B) Plasmodium cells infect two specific types of cells in humans.

C) Inside an infected mosquito, haploid gametes fuse, forming a haploid zygote that develops into an oocyst.

D) When a mosquito bites a human with malaria, diploid Plasmodium cells enter the mosquito.

E) Plasmodium cells are transferred to humans through mosquito saliva.

F) The life cycle of Plasmodium involves only haploid forms.

G) The complete life cycle of Plasmodium requires two hosts.

A) A, B, E, G B) A, C, F, G
C) B, C, D, F D) None of the above
 
Answer & Explanation Answer: A) A, B, E, G

Explanation:

Plasmodium is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. 

From the above given options, A, B, E, G are TRUE regarding Plasmodium.

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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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