-
- R group
- NH2 group
- COOH group
- None of these
Sciences MCQs
Tibia is a bone found in the_____.
-
- Skull
- Arm
- Face
- Leg
The molecules of living matter that provide building blocks are mostly based on_____.
-
- Nitrogen
- Carbon
- Hydrogen
- Ammonia
The scientific study of livings is called _____.
-
- Anatomy
- Geology
- Zoology
- Biology
Midgut in cockroach is a short narrow tube called_____.
-
- Stomach
- Hepatic caeca
- Gizzard
- Rectum
Sessile flowers have _____.
-
- No scent
- No pedicles
- Irregular shape
- No petals
Which of the following are responsible for the detection of changes in environment?
-
- Receptors
- Neurons
- Effectors
- None of these
Purine and pyrimidine metabolism results in production of_____.
-
- Creatinine
- Xanthine
- Trimethyamine oxide
- All of these
Light reaction takes place on/in_____.
-
- Thylakoid
- Grana
- Storma
- Chloroplast
Trisomy 21 is most common in mothers of the _____age group.
-
- 40 to 45
- 15 to 19
- 20 to 34
- 35 to 39