Life Process MCQ
1. Which is the largest gland in the human body?
a) liver
b) salivary gland
c) thyrod
d) adernal gland
2. The release of water vapour in the atmosphere through pores present on plant leaves ie stomata.
a) Evaporation
b) Translocation
c) Transportation
3.Name the membrane covering the lungs?
Ans:- pleura
4. The maintenance of optium concentration of water and salts in the body fluids is :-
Ans :- osmoregulation
5. Where is pyruvic acid converted into lactic acid during dificiency of oxygen in tissues of human beings?
Ans:-Golgi bodies
6. Which is the first enzyme to mix with food in the digestive system?
a) Pepsin
b) Trypaim
c)Lipase
d) salivary amylase
Ans:- salivary amylase
7. What is the internal cellular energy reserve in autotrophs?
Ans:- starch
8. Which of these is not parasite?
a) leeches
b) Ticks
c) cuscuta
d) earthworm
Ans:- earthworm
9. The inner lining of stomach is protected form hydrochloric acid by:-
Ans:- Mucus
10. Name the enzyme which is present in infants but may be absent in adults?
Ans:- Renin
11. In which form oxygen is carried to the tissues?
Ans:- oxyhaemoglobin
12. What makes the red blood corpuscles red?
Ans:- Haemoglobin
13. Give an example of an organism whose digestion is intracellular.
Ans:- Amoeba
14. The contraction and expansion movement of the walls of food pipe are called:-
Ans:- peristaltic movement
15. What is the name of process by which the transport of food in plant take place?
Ans:- Translocation
16. In which forms do plant absorb nitrogen?
Ans:- Nitrates and nitrites
17. If Salivary amylase in lacking in the saliva , which event in the mouth cavity will be affected?
Ans:- Starch breaking down into sugar
18. Does humans have single circulation system?
Ans:- no, humans has double circulation system
19. The kidneys in humans being are a part of the system for :-
a) nutrition
b) respiration
c) excretion
d) transportation
20. The xylem in plant are responsible for
a) transport of water
b) transport of food
c) transport of amino acid
d) transport of oxygen
Ans:- transport of water
21. The autotrophic mode of nutrition requires
a) carbon-dioxide and water
b) chlorophyll
c) sunlight
d)all of the above
Ans:- all of the above
22. The breakdown of pyruvate to give carbon dioxide,water and energy take place in
a) cytoplasm
b) mitochondria
c) chloroplast
d)nucleus
Ans:- mitochondria
23. By which part of the heart blood is pumped from the heart to entire body
Ans:- ventricle
24. Where is the dirty blood in our body filtered
a)Alveoli
b)Arteries
c)Heart
d)nephron in kidney
Ans:- nephron in kidney
25. Which tissue help in the transport of food in plants.
Ans:- phoelm tissue
0 Comments