10th class Biology unit 2 MCQs
chapter 2 MCQs 10th Class Biology
Homeostasis:
1. Waste materials that are removed by rubber plant are:
a. Latex
b. Gums
c. Resins
d. Mucilage
2. The plants which are completely or partially submerged in fresh water are called:
a. Halophytes
b. Hydrophytes
c. Epiphytes
d. Xerophytes
3. Sea grasses are:
a. Halophytes
b. Succulent
c. Epiphytes
d. Xerophytes
4. Which plants have succulent organs?
a. Xerophytes
b. Hydrophytes
c. Halophytes
d. Mesophytes
5. The process of guttation occurs in the plant:
a. Keekar
b. Pine
c. Rubber plant
d. Grass
6. Excretion of water through special pores present at the margin of leaves is called:
a. Transpiration
b. Evaporation
c. Sublimation
d. Guttation
7. The gas produced in mesophyll cells as by product during day time is called:
a. Nitrogen
b. Oxygen
c. Chlorine
d. Carbon dioxide
8. Example of Hydrophyte plants is:
a. Sea grass
b. Water lily
c. Grass
d. Cactus
9. Resins, as waste material, is excreted from:
a. Kikar
b. Conifers
c. Rubber
d. Tomato
10. Which plant excretes latex?
a. Rubber plant
b. Keekar
c. Tomato
d. Conifers
11. Plant store most of the water in their cells mostly for the:
a. Turgidity
b. Transpiration
c. Photosynthesis
d. Guttation
12. The example of halophytes plant is:
a. Rose flower
b. Water lily
c. Cactus
d. Sea grass
13. The waste material excreted in rubber plant is:
a. Resins
b. Gums
c. Mucilage
d. Latex
14. The waste material excreted from carnivores and lady finger is:
a. Resins
b. Gums
c. Mucilage
d. Latex
15. The roots of these plants is very strong:
a. Halophytes
b. Hydrophytes
c. Mesophytes
d. Xerophytes
16. Maintenance of water, mineral, temperature and glucose in the body is called.
a. Homeostasis
b. Excretion
c. Re absorption
d. Tubular secretion
17. The maintenance of internal human body temperature is called:
a. Guttation
b. Osmoregulati
c. Thermoregulation
d. spiration
18. Which of the following maintains the body temperature?
a. Skin
b. Ear
c. Lungs
d. Kidneys
19. The internal temperature of human body is:
a. 47 oC
b. 27 oC
c. 57 oC
d. 37 oC
20. The excretion of waste materials form body is called:
a. Osmoregulation
b. Excretion
c. Thermoregulation
d. Respiration
21. In an adult man the average urine formation in a day is:
a. 1.4 liter
b. 4 liter
c. 3 liter
d. 1.3 liter
22. Human urinary system consists of:
a. Urinary bladder
b. Kidneys
c. Ureter
d. All of these
23. The length of each kidney is:
a. 4 cm
b. 10 cm
c. 27 cm
d. 5 cm
24. The weight of each kidney is:
a. 20 g
b. 10 g
c. 120 g
d. 15 g
25. Weight of human kidney is approximately:
a. 60 g
b. 27 g
c. 120 g
d. 127 g
26. Which ribs protect the kidney?
a. Last three ribs
b. First two ribs
c. Last two ribs
d. Middle two ribs
27. Renal pelvis is a part of:
a. Heart
b. Testes
c. Kidneys
d. Lungs
28. How many nephrons are present in each kidney?
a. Over 1.5 millions
b. Over 0.5 millions
c. Over two millions
d. Over one million
29. The longitudinal section of a kidney shows the outer part:
a. Renal pyramids
b. Renal cortex
c. Renal pelvis
d. Renal medulla
30. The concave part of the kidney is towards:
a. Toward vertebral column
b. Upper
c. Away from vertebral column
d. Lower
31. As per normal chemical composition the amount of water in the urine is:
a. 80%
b. 60%
c. 95%
d. 70%
32. What are not filtered through glomerular capillaries?
a. Fats and salts
b. Blood cells and proteins
c. Salts and proteins
d. Fats and proteins
33. Which is absorbed in a tubule going down from loop of Henle?
a. Water
b. Salts
c. Urea
d. Glucose
34. Functional unit of kidney is called:
a. Loop of henle
b. Glomerulus
c. Ureter
d. Nephron
35. Methods for removal of kidney stone are called:
a. Dialysis
b. Biopsy
c. Kidney transplant
d. Lithotripsy
36. The average life for donated kidney is:
a. 10 to 15 years
b. 1 to 5 years
c. 15 to 20 years
d. 5 to 10 years
37. Who is the writer of Encyclopedia “Al-Tasrif”?
a. Jabir-bin- Hayan
b. Abu-Al- Qasim
c. Aristotle
d. Al-Farabi
Click here to go directly on chapter no.3