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PPSC Biology MCQs With Answers Quiz Test
Q.1: Which of the following hormone is predominantly responsible for bone weakening in older women?
- Parathyroid hormone.
Q.2: Secondary cell wall of sclerenchyma cells is impregnated with———?
- Peptidoglycan and murein.
Q.3: Which of the follwing is a childhood disease resulting from nutritive Ca2+ deficiency?
- Hypocalcaemia Tatanic spasms.
Q.4: Among the followings which is the most longest supportive cell?
- Collenchyma cells
Q.5: Which of the following statement about osteoporosis is incorrect.?
- It results from estrogen deficiency.
- Bone eating process takes over bone formation process.
- There is reduction of bone mass and change in chemical composition of the matrix
- It is common in old age.
Q.6: An increrase in plant girth due to activity of ——- is called secondary growth?
- Cork cambium
- Vascular cambium.
- Both a and c
Q.7: The blood enters the ——– side of heart ?
- All possible
Q.8: Voice box is another name used for——?
- Buccal cavity
- Chest Cavity
Q.9: All of the following contain cartilage except:——?
Q.10: Gaseous exchange through the skin is known as ——- respiration?