(ক) CTCTC
(খ) GUCUC
(গ) GAUGU
(ঘ) GTCTC
উত্তর- (খ) GUCUC
G-, A-, G-, A-, C- এর হাইড্রোজেন বন্ডের সংখ্যা কতটি? [HSC R B ২০২২]
(ক) ১০
(খ) ১১
(গ) ১৩
(ঘ) ১৪
উত্তর- (গ) ১৩
What is the difference between mitochondria and chloroplast? [HSC-MCQ Rajshahi board 2022]
(a) Bilayer coating
(b) Matics
(c) Christie
(d) ATP synthesis
Answer- (c) Christie
In which organelle does autolysis occur? [HSC-MCQ Rajshahi board 2022]
(a) Golgibody
(b) Lysosomes
(c) Endoplasmic reticulum
(d) Ribosome
Ans- (b) Lysosome
If one subunit of a ribosome is 30s, how many will be the other? [HSC-MCQ Dhaka board 2022]
(a) 60s
(b) 50s
(c) 40s
(d) 30s
Answer- (b) 50s
What is called the brain of cells? [HSC-MCQ Dhaka board 2022]
(a) Nucleus
(b) Mitochondria
(c) Ribosome
(d) Chloroplast
Answer- (a) Nucleus
In which organic currency is produced? [HSC-MCQ Dhaka board 2022]
(a) Nucleus
(b) Ribosome
(c) Lysosomes
(d) Mitochondria
Ans- (d) Mitochondria
Which is the carbohydrate factory of plant cells? [HSC-MCQ Dhaka board 2022]
(a) Mitochondria
(b) Reticulum
(c) Garbage
(d) Ribosome
Answer- (c) Garbage
Which house of energy? [HSC-MCQ Dhaka board 2021]
(a) Golgi body
(b) Ribosome
(c) Mitochondria
(d) Nucleus
Ans- (c) Mitochondria
The element DNA is important in living organisms because- [HSC-MCQ Madrasha board 2019]
(i) It controls all the properties of the organism
(ii) It synthesizes proteins
(iii) Contribute to species identification
(a) i and ii
(b) i and iii
(c) ii and iii
(d) i, ii and iii
Answer- (b) i and iii