1. Growth & development depend on—
a)
Genetic factors
b)
Religious factors
c)
Political factors
d)
Superstition
Answer:
Genetic factors
Explanation:
Genetic factor হলো growth-এর প্রধান ভিত্তি।
2. Essential trace element—
a)
Aluminum
b)
Copper
c)
Plastic
d)
Carbon
Answer:
Copper
Explanation:
Copper শরীরে অল্প পরিমাণে প্রয়োজনীয় trace element।
3. Urine analysis is important for—
a)
UTI
b)
Asthma
c)
Fracture
d)
Hypertension
Answer:
UTI
Explanation:
Urine test দিয়ে infection ধরা যায়।
4. EEG is used for—
a)
Heart beat
b)
Brain activity
c)
Kidney function
d)
Liver test
Answer:
Brain activity
Explanation:
EEG brain-এর electrical activity মাপে।
5. Fat is mainly stored in—
a)
Muscle
b)
Skin
c)
Bone
d)
Heart
Answer:
Skin
Explanation:
Fat skin-এর নিচে জমা হয়।
6. State of matter depends on—
a)
Size
b)
Shape
c)
Temperature
d)
Color
Answer:
Temperature
Explanation:
Temperature পরিবর্তনে state পরিবর্তন হয়।
7. Fertilization occurs in—
a)
Ovary
b)
Uterus
c)
Ampulla
d)
Cervix
Answer:
Ampulla
Explanation:
Fallopian tube-এর ampulla-তেই fertilization হয়।
8. Exotoxin is produced by—
a)
Salmonella
b)
E. coli
c)
Clostridium tetani
d)
Vibrio
Answer:
Clostridium tetani
Explanation:
Tetanus bacteria শক্তিশালী toxin তৈরি করে।
9. Boiling point of water—
a)
100°F
b)
150°F
c)
200°F
d)
212°F
Answer:
212°F
Explanation:
100°C = 212°F।
10. Normal fasting blood sugar—
a)
2–3 mmol/L
b)
3.5–6.1 mmol/L
c)
6–9 mmol/L
d)
10 mmol/L
Answer:
3.5–6.1 mmol/L
Explanation:
এটিই স্বাভাবিক range।
11. Water-soluble vitamin—
a)
Vitamin A
b)
Vitamin D
c)
Vitamin C
d)
Vitamin E
Answer:
Vitamin C
Explanation:
Vitamin C পানিতে দ্রবণীয়।
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12. Function of calcium—
a)
Digestion
b)
Vision
c)
Bone formation
d)
Hormone production
Answer:
Bone formation
Explanation:
Calcium হাড় ও দাঁত গঠনে সাহায্য করে
13. Gaseous element—
a)
Iron
b)
Copper
c)
Oxygen
d)
Silver
Answer:
Oxygen
Explanation:
Oxygen একটি gas।
14. DNA is found in—
a)
Ribosome
b)
Chromosome
c)
Cytoplasm
d)
Lysosome
Answer:
Chromosome
Explanation:
Chromosome-এ DNA থাকে।
15. Carbohydrate-rich food—
a)
Fish
b)
Egg
c)
Bread
d)
Meat
Answer:
Bread
Explanation:
Bread carbohydrate-এর প্রধান উৎস।
16. Structural unit of body—
a)
Tissue
b)
Organ
c)
Cell
d)
DNA
Answer:
Cell
Explanation:
Cell হলো জীবনের মৌলিক একক।
17. Milk production is called—
a)
Digestion
b)
Lactation
c)
Respiration
d)
Ovulation
Answer:
Lactation
Explanation:
Lactation মানে দুধ উৎপাদন।
18. Life span of platelet—
a)
2–3 days
b)
5–10 days
c)
20 days
d)
120 days
Answer:
5–10 days
Explanation:
Platelet স্বল্প সময় বাঁচে।
19. Function of mitochondria—
a)
Protein synthesis
b)
Energy production
c)
Waste removal
d)
DNA storage
Answer:
Energy production
Explanation:
এটাকে powerhouse বলা হয়।
20. Hormone from testes—
a)
Estrogen
b)
Progesterone
c)
Testosterone
d)
Thyroxine
Answer:
Testosterone
Explanation:
এটি পুরুষ হরমোন।