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Exam 2025 Questions With Correct Answers
/ // // // // //
Sunflower /
/chromosomes /
/have /
/been /
/isolated /
/and /
/their /
/DNA/NT /
/analyzed. /
/It /
/was /
/found /
/that /
/chromosome //
2/
/has /
/unusually /
/high /
/content //of //Adenine //(40%). //How //many //percent //of //Guanine //is //present //in //chromosome //2?
A. //10%
B. //20%
C. //30%
D. //40 //%
E. //50% //- //verified //answer(s)-✔✔A. //10%
,Sunflower /
/chromosomes /
/have /
/been /
/isolated /
/and /
/their /
/DNA/NT /
/analyzed. /
/It /
/was /
/found /
/that /
/chromosome //
2/
/has /
/unusually /
/high /
/content /
/of /
/Adenine /
/(40%). /
/Assume /
/that /
/the /
/entire /
/sequence /
/of /
/the /
/chromosome /
/is /
/transcribed. /
/Which //of //the //following //is //true //for //the //content //of //Adenine //in //the //transcribed //RNA?
A. //Adenine //is //40% //of //the //RNA.
B. //Adenine //is //20% //of //the //RNA.
,C. //Adenine //is //at //least //20% //of //the //RNA.
D. //Adenine //is //at //least //40% //of //the //RNA.
E. /
/The /
/content /
/of /
/Adenine /
/is //not //possible //to //determine //based //on //the //information //provided. //- //verified //answer(s)-
✔✔E. /
/The /
/content //of //Adenine //is //not //possible //to //determine //based //on //the //information //provided.
Which //of //the //following //is //a //primary //organ //or //structure //of //the //immune //system?
A. //Spleen
B. //Thymus
C. //Tonsils
D. //Lymph //nodes
E. //Appendix //- //verified //answer(s)-✔✔B. //Thymus
"Hairs" //(such //as //trichomes) //on //the //surface //of //leaves //may //limit:
A. //photosynthesis.
B. //intake //of //carbon //dioxide.
C. //evapotranspiration.
D. //drought //adaptations.
E. //movement //of //water //in //the //vessels. //- //verified //answer(s)-✔✔C. //evapotranspiration.
, You //discover //a //worm-
like /
/organism /
/that /
/inhabits /
/soil //samples //that //has //the //following //characteristics: //segmented //body //and //few //bristle-
like //extensions. //To //which //one //of //the //following //groups //will //you //assign //this //organism?
A. //Cestoda
B. //Polychaeta
C. //Oligochatea
D. //Onychophora
E. //Myriapoda //- //verified //answer(s)-✔✔C. //Oligochatea
Evolution //is //a //product //of:
A. //realized //niche //and //biomagnification.
B. //phenotypic //variation //and //selective //pressures.
C. //rainfall //and //temperature.
D. //adaptability //within //one //generation.
E. //extinction //and //landscape //variability. //- //verified //answer(s)-
✔✔B. //phenotypic //variation //and //selective //pressures.
Which //of //the //following //is //NOT //true //of //allosterically //regulated //enzymes?
A. //Their //activity //can //be //modulated //by //effector //molecules.
B. //They //demonstrate //cooperativity.
C. //Their //activity //can //be //modulated //by //substrate //concentration.
Open
/ /
Exam 2025 Questions With Correct Answers
/ // // // // //
Sunflower /
/chromosomes /
/have /
/been /
/isolated /
/and /
/their /
/DNA/NT /
/analyzed. /
/It /
/was /
/found /
/that /
/chromosome //
2/
/has /
/unusually /
/high /
/content //of //Adenine //(40%). //How //many //percent //of //Guanine //is //present //in //chromosome //2?
A. //10%
B. //20%
C. //30%
D. //40 //%
E. //50% //- //verified //answer(s)-✔✔A. //10%
,Sunflower /
/chromosomes /
/have /
/been /
/isolated /
/and /
/their /
/DNA/NT /
/analyzed. /
/It /
/was /
/found /
/that /
/chromosome //
2/
/has /
/unusually /
/high /
/content /
/of /
/Adenine /
/(40%). /
/Assume /
/that /
/the /
/entire /
/sequence /
/of /
/the /
/chromosome /
/is /
/transcribed. /
/Which //of //the //following //is //true //for //the //content //of //Adenine //in //the //transcribed //RNA?
A. //Adenine //is //40% //of //the //RNA.
B. //Adenine //is //20% //of //the //RNA.
,C. //Adenine //is //at //least //20% //of //the //RNA.
D. //Adenine //is //at //least //40% //of //the //RNA.
E. /
/The /
/content /
/of /
/Adenine /
/is //not //possible //to //determine //based //on //the //information //provided. //- //verified //answer(s)-
✔✔E. /
/The /
/content //of //Adenine //is //not //possible //to //determine //based //on //the //information //provided.
Which //of //the //following //is //a //primary //organ //or //structure //of //the //immune //system?
A. //Spleen
B. //Thymus
C. //Tonsils
D. //Lymph //nodes
E. //Appendix //- //verified //answer(s)-✔✔B. //Thymus
"Hairs" //(such //as //trichomes) //on //the //surface //of //leaves //may //limit:
A. //photosynthesis.
B. //intake //of //carbon //dioxide.
C. //evapotranspiration.
D. //drought //adaptations.
E. //movement //of //water //in //the //vessels. //- //verified //answer(s)-✔✔C. //evapotranspiration.
, You //discover //a //worm-
like /
/organism /
/that /
/inhabits /
/soil //samples //that //has //the //following //characteristics: //segmented //body //and //few //bristle-
like //extensions. //To //which //one //of //the //following //groups //will //you //assign //this //organism?
A. //Cestoda
B. //Polychaeta
C. //Oligochatea
D. //Onychophora
E. //Myriapoda //- //verified //answer(s)-✔✔C. //Oligochatea
Evolution //is //a //product //of:
A. //realized //niche //and //biomagnification.
B. //phenotypic //variation //and //selective //pressures.
C. //rainfall //and //temperature.
D. //adaptability //within //one //generation.
E. //extinction //and //landscape //variability. //- //verified //answer(s)-
✔✔B. //phenotypic //variation //and //selective //pressures.
Which //of //the //following //is //NOT //true //of //allosterically //regulated //enzymes?
A. //Their //activity //can //be //modulated //by //effector //molecules.
B. //They //demonstrate //cooperativity.
C. //Their //activity //can //be //modulated //by //substrate //concentration.
