Category: Biology Second Paper

Stem: All animal cells contain dimeric molecules that carry genetic characteristics.

(a) A=T, G=C

(b) A=G, T=C

(c) C=T, G=A

(d) A=C, T=G

 

 

Answer (a) A=T, G=C

Stem: All animal cells contain divalent molecules that carry genetic characteristics.

(i) Phosphate molecule

(ii) Ribose sugar

(iii) Nitrogen alkalinity

(a) i and ii

(b) i and iii

(c) ii and iii

(d) i, ii and iii

  

 

Answer (b) i and iii

(a) Michael Adanson

(b) Linnaeus

(c) Armen Takhtazan

(d) Bentham Hooker

 

 

 

Answer (c) Armen Takhtazan

(a) Donating structure of cell cytoplasm

(b) Helping with affection problems

(c) Help in hormone secretion

(d) Maintaining water balance

 

 

 

Answer (a) To give structure to the cytoplasm of the cell

(a) Guanine

(b) Cytosine

(c) Uracil

(d) Thymine

 

  

Answer (c) Uracil

(a) 1

(b) 2

(c) 3

(D) 5

  

 

Answer (a) 1

 (ক) রাইবোজোম    

(খ) ইডিওসোম 

(গ) লাইসোজোম    

(ঘ) সেন্ট্রোজোম

 

 

 

 

উত্তর (গ) লাইসোজোম    

 

 (ক) DNA     

(খ) RNA

(গ) ATP

(ঘ) NAD

 

 

 

 

উত্তর (গ) ATP

(ক) পেয়ালাকা     

(খ) জালিকাকার 

(গ) সর্পিলাকার      

(ঘ) ফিতাকৃতির

 

উত্তর (ঘ) ফিতাকৃতির

(ক) Riccia               

 (খ) Ulothrix 

 (গ) Mucor                  

 (ঘ) E. coli

 

উত্তর (ঘ) E. coli