Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
a. Polar bear
b. Flamingo
c. Frog
d. Shark
1 Answers
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Which one of the following has maximum bond dissociation energy ?
Correct Answer - B Out of the given four choices, C-C bond has the highest bond dissociation energy.
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Some cells do not have gap phase in their cell cycle whereas some cells spend maximum part of their life in gap phase.
1. G0 is the phase of the cell cycle in eukaryotes in which many cell types stop dividing. It is also called a quiescent stage. 2. If cells are deprived of...
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hydrogen atom emits light when it changes from `n=5` energy level to `n=2` energy level. Which colour of light would the atom emit ?
Correct Answer - D `(1)/(lambda)=R[1/(2^2)-1/(5^2)]=R[1/(4)-1/(25)]=(21R)/(100)` `therefore lambda=(100)/(21R)=(100)/(21xx1.1xx10^7)=(100)/(23.1)xx10^-7m=4346Å` This corresponds to voilet.
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Assertion (A) : The rate of breathing in aquatic organisms is much slower than that seen in terrestrial organisms.
Correct answer is (A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
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Organisms break down large food molecules to small molecules. How does this breakdown help the organisms?
C. It converts the large molecules to small molecules that can pass through the cell membrane.
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Which of the following represents the nitrogenous base content percentages correctly from the above data?
C. A: 32%; T: 32%; C: 18%
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In forcd oscillation of a particle, the amplitude is maximum for a frequency `omega_(1)` of the force, while the energy is maximum for a frequency `om
Correct Answer - Both amplitued and energy of the particle can be maximum only in case of resonance. For resonacne to occur, `omega_(1) = omega_(2)`
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Which one of the following organisms excrete waste through nephridia?
Answer is c. Crab
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During anaerobic digestion of organic waste, such as in the producing biogas, Which one of the following is left undegraded ?
Correct Answer - D During biogas formation, digestion of cellulose is slow (Rate-limiting) and most of the lignin is not decomposed . After cellulose lignin is the most abundant plant polymer....
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If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence ?
Correct Answer - B If one strand of DNA has the nitrogenous base sequence as ATCTG , the complementary sequence of mRNA will be UAGAC.
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