Questions

Q:

Which statement describes decomposers?

A) Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems. B) Decomposers can produce their own source of energy and can sometimes act as primary producers.
C) Decomposers are those organisms that recycle matter in the ecosystem.. D) All the above
 
Answer & Explanation Answer: C) Decomposers are those organisms that recycle matter in the ecosystem..

Explanation:

Decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.

 

The statement "Decomposers are those organisms that recycle matter in the ecosystem" describes decomposers.

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Q:

Unlike conservation, what does preservation emphasize?

A) Saving natural resources B) Managing natural resoucres
C) Carrying capacity D) Renewing natural resources
 
Answer & Explanation Answer: A) Saving natural resources

Explanation:
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Q:

Closely stacked flattened sacs (plants only)

A) Vacuoles B) Lysosomes
C) Golgi apparatus D) None of the above
 
Answer & Explanation Answer: C) Golgi apparatus

Explanation:
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Q:

Primitive people practice animal rearing  in the tropical grasslands of _______

A) Brazil B) Northern Australia
C) East Africa D) Orinoco Basin in South America
 
Answer & Explanation Answer: C) East Africa

Explanation:
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Q:

Which of the following are true of meditation in buddhism?

A) Right concertation is reached through meditation B) It can involve concetration on your breathing
C) It can mean visualizing certain things D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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Q:

Calcium absorption is facilitated by the presence of

A) Vitamin D B) Vitamin C
C) Vitamin A D) Vitamin K
 
Answer & Explanation Answer: A) Vitamin D

Explanation:

The presence of vitamin D in the body enhances the absorption of calcium by the intestine.

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Q:

Name the award ehich is declared yearly for films produced in India in the previous Year

A) Jananpeth award B) Bharat Ratna
C) National Film Award D) Param Vir Chakra
 
Answer & Explanation Answer: C) National Film Award

Explanation:
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Q:

Which formula represents an amino acid?

A) R-CH3(NH2)-COOH B) R-CH(NH2)-COOH
C) R-CH2(NH2)-COOH D) R-CH3(NH2)-COH
 
Answer & Explanation Answer: B) R-CH(NH2)-COOH

Explanation:

Amino acids are the building blocks of proteins. There are about 21 essential amino acids in the human body like histidine, leucine, lysine... The general formula for amino acid is R-CH(NH2)-COOH.

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