HOMEOSTASIS

Q1) The relationship between mineral and water is know as:

A) Ascent of sap

B) Osmoregulation

C) Excretion

D) All of them

Q2) The cell sap having solution of:

A) One types

B) Two types

C) Three types

D) Four types

Q3) The water potential not more than:

A) 1

B) 100

C) 1000

D) 10

Q4) The shrinkage of protoplasm is know as:

A) Normal

B) Turgid

C) Plasmolysis

D) Deplasrnolysid

 Q5) The homeostasis means:

A) Osmoregulation

B) Excretion

C) Both of these

D) None of these

Q6) In plant temperature maintained by:

A) Osmosis

B) Diffusion

C) Inhibitions

D) Transpiration

Q7) Transpiration is take place through:

A) Stomata

B) Lenticle

C) Cuticle

D) All of these

Q8) The process of transpiration take place during:

A) Daytime

B) Night

C) Both of these

D) None of these

Q9) A check and balance mechanism requires to maintain homeostasis in body is:

A) Guard system

B) move back system

C) Operation system

D) Feedback system

E) Haemostasis

Q10) Series of similar effect, which leads to the enhancement of the change under consideration is:

A) Positive feedback

B) Longitudinal feed back

C) Negative feedback

D) Transverse ted hack

E) Vertical  feedback

Q11) Opposite effect produced in relation to changes in the body fluids is:

A) Positive feedback

B) Longitudinal feedback

C) Negative feedback

D) Transverse ted hack

E) Vertical  feedback

Q12) The potential energy of water molecule can be termed as:

A) Osmotic Pressure

B) Water Pressure

C) Partial Pressure

D) Solute Pressure

E) Solvent Pressure

Q13) In case of plant cells, the wate potential of cell san is termed as:

A)  Osmotic Pressure

B) Water Pressure

C) Partial Pressure

D) Solute Pressure

E) Solvent Pressure

Q14) Plant cell become turgid in solution:

A) Hypertonic

B) Hypotonic

C) Isotonic

D) Paratonic

E) All are incorrect

Q15) There is a net movement of water out of the cell in _____ solution:

A) Hypertonic

B) Hypotonic

C) Isotonic

D) Paratonic

E) All are incorrect

Q16) The plants which are formed in fresh water habitat either partly or completely submerged are termed as:

A) Halophytes

B) Heterophytes

C) Hydrophytes

D) Mesophytes

E) Xerophytes

Q17) The plants growing in salt marshes close to sea are termed as:

A) Halophytes

B) Hydrophytes

C) Heterophytes

D) Mesophytes

E) Xerophytes

Q18) “Waterlily “ is:

A) Halophytes

B) Hydrophytes

C) Heterophytes

D) Mesophytes

E) Xerophytes

Q19) Plants living in, dry places such as deserts. Steep hills, etc. and face scarcity of water is:

A)Halophytes

B) Hydrophytes

C) Heterophytes

D) Mesophytes

E) Xerophytes

Q20) Some plants store warter in large parenchymatous cells present in stem or leaves, suc plants are termed as:

A) Respirants

B) Translucent

C) Succulents

D) Adjuvants

E) Hydatids  

Answer:

1. Osmoregulation
2. Three types
3. 1
4. Plasmolysis
5. Both of these
6. Transpiration
7. All of these
8. Daytime
9. Feedback system
10. Positive feedback
11. Negative feedback
12. Solute Pressure
13. Solute Pressure
14. Hypotonic
15. Hypertonic
16. Hydrophytes
17. Halophytes
18. Hydrophtes
19. Xerophyte
20. Succulents