Chapter 5 : Life Processes
1 / 50
Which of the following is NOT a life process?
2 / 50
The exchange of gases in plants occurs mainly through:
3 / 50
Which process helps plants get rid of excess water?
4 / 50
Which structure carries food from mouth to stomach?
5 / 50
The liquid part of blood is known as:
6 / 50
Which process helps in maintaining continuity of life on Earth?
7 / 50
During aerobic respiration, energy is released in the presence of:
8 / 50
Which part of the brain controls involuntary actions like breathing?
9 / 50
The opening and closing of stomata is controlled by:
10 / 50
In plants, transport of water occurs mainly due to:
11 / 50
Which component of blood fights infections?
12 / 50
Double circulation in humans helps in:
13 / 50
Which gas is taken in during photosynthesis?
14 / 50
The removal of nitrogenous wastes in humans mainly occurs through:
15 / 50
The tube carrying urine from kidney to urinary bladder is called:
16 / 50
Which structure prevents food from entering the windpipe?
17 / 50
Which enzyme digests proteins in the stomach?
18 / 50
Bile juice helps in the digestion of:
19 / 50
Which organ produces bile juice?
20 / 50
The process of taking in oxygen-rich air is called:
21 / 50
Which blood vessels carry deoxygenated blood to the lungs?
22 / 50
Which chamber of the heart has thick muscular walls?
23 / 50
The movement of food in phloem is called:
24 / 50
Which life process provides raw materials and energy to organisms?
25 / 50
Amoeba obtains food by the process of:
26 / 50
Which process is common to both plants and animals?
27 / 50
The tiny pores on leaf surface are known as:
28 / 50
Loss of water in the form of vapour from leaves is called:
29 / 50
Phloem helps in the transport of:
30 / 50
Which tissue transports water in plants?
31 / 50
Which respiratory pigment is present in human blood?
32 / 50
The exchange of gases in lungs takes place in:
33 / 50
During anaerobic respiration in muscles, which substance is formed?
34 / 50
Which type of respiration occurs in the absence of oxygen?
35 / 50
Which part of the alimentary canal absorbs water from undigested food?
36 / 50
The finger-like projections in the small intestine are called:
37 / 50
Which acid is present in the stomach?
38 / 50
Saliva contains which enzyme?
39 / 50
In humans, digestion of starch begins in the:
40 / 50
Which process removes harmful waste products from the body?
41 / 50
The basic unit of kidney is called:
42 / 50
Which organ is mainly responsible for filtration of blood?
43 / 50
Which blood component helps in clotting?
44 / 50
The blood vessels that carry blood away from the heart are called:
45 / 50
Which organ helps in pumping blood throughout the body?
46 / 50
The process of breaking down food to release energy is known as:
47 / 50
Which gas is released during photosynthesis?
48 / 50
The green pigment present in leaves is called:
49 / 50
Which of the following is an autotrophic mode of nutrition?
50 / 50
Which process is responsible for obtaining energy from food in living organisms?
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