Very Important Questions in Biology for CTET / DSC Exams

1. The root like organs in dodder are called ____.
Ans :   Haustoria

2. The other name of the salivary amylase is____
Ans :   ptyalin

3. Kwashiorkor is caused due to the deficiency of ____.
Ans :   protein

4. Pantothenic acid is ____ soluble 

Ans :   vitamin.

5. The absorption capacity of small intestine is increased due to ____.
Ans :   water

6. Due to vibration of vocal cards sounds are produced.  These sounds are produced during ____.
Ans :   expiration

7. ____ channelises air to lungs.
Ans :   trachea

8. ____ membrane covers the lungs.
Ans :   pleura

9. If we cut the nerves which goes from respiratory organs to brain ____ happens.
Ans :   stops respiration process

10. The total lung capacity of human being is ____.
Ans :   5800 ml

11. The layer which covers the heart is ____.
Ans :   pericardium

12. The layer which separates the ventricles into left and right is ____.
Ans :   auriculo ventricular septum

13. ____ is the largest artery
Ans :   aorta

14. The vein which collects blood from the posterior parts of the body is ____.
Ans :   inferior venacava

15. The liquid portion of blood that enters the tissue is ____.
Ans :   tissue fluid

16. The oxygenated blood enters into kidneys through ____ (i) and ____ (ii) collects the deoxygenated blood.
Ans :   i) renal artery ii) renal vein

17. The bunch of blood capillaries are formed in nephron is called ____.
Ans :   glomerulus

18. Accroding to the studies of evolution the excretory organs were first seen in ____.
Ans :   platyhelminthes

19. From Hevea brazilensis ____ i) and ____ ii) from biodiesel will be extracted
Ans :   i) rubber ii) jatropa

20. The maintenance of equilibrium of concentration of liquids is ____.
Ans :   homeostasis

21. ____ part controls pituitory gland in brain
Ans :   hypothalamus

22. Number of peripheral nerves is ____.
Ans :   43

23. The part which controls anger, pain etc is ____.
Ans :   diencephalon

24. ____ phyto hormone helps in the prevention of loss of water.
Ans :   ABA

25. The chemical substance which destroys weeds is ____.
Ans :   2-4-D