Life Process MCQ Ed.Cet. We covered all the Life Process MCQ Ed.Cet in this post for completely free that can be used to prepare for any competitive online exam.
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01 The valve present at the beginning of pulmonary aorta in right ventricle are
- tricuspid
- bicuspid
- mitral
- pulmonary valve
Option 4 – pulmonary valve
02 Systematic aorta carries
- oxygenated blood
- lymph
- de oxygenated blood
- mixed blood
Option 1 – oxygenated blood
03 Normal blood pressure of human is
- 80/120
- 100/120
- 120/100
- 120/80
Option 4 – 120/80
04 The substance that prevents clotting of blood vessels is
- haemoglobin
- heparin
- thyroxin
- pepsin
Option 2 – heparin
05 Vitamin required for coagulation of blood
- vitamin A
- vitamin C
- vitamin D
- vitamin K
Option 4 – vitamin K
06 Hemophilia is a ……….
- contagious decease
- genetic disorder
- hereditary
- 2 and 3
Option 4 – 2 and 3
07 Which of the following is inherited disorder
- cancer
- leucamia
- thalessemia
- aids
Option 3 – thalessemia
08 Tissue associated with water transport
- mesophyll
- phloem
- xylem
- parenchyma
Option 3 – xylem
09 Soil water enter into root hair by process called ……
- diffusion
- filtration
- boot pressure
- osmosis
Option 4 – osmosis
10 How does the water reach 180 meters high to the top of a tree like eucalyptus
- transpiration
- root pressures
- continuous column of water is xylem
- all the above
Option 4 – all the above
11 Food transported through
- xylem
- phloem
- bark
- chlorenchyma
Option 2 – phloem
12 We will find vocal cords in
- larynx
- pharynx
- nasal cavity
- trachea
Option 1 – larynx
13 Cluster of air sacs in lungs are called
- alveolus
- bronchi
- bronchioles
- air spaces
Option 1 – alveolus
14 Which of the following is correct
- the diaphragm contracts – volume of chest cavity increased
- the diaphragm contracts – volume of chest cavity decreased
- the diaphragm expands – volume of chest cavity increased
- the diaphragm expands – volume of chest cavity decreased
Option 1 – the diaphragm contracts – volume of chest cavity increased
15 Respiration is a catabolic process because of
- breakdown of complex food molecules
- conversion of light energy
- synthesis of chemical energy
- energy storage
Option 1 – breakdown of complex food molecules
16 Energy is stored in
- nucleus
- mitochondria
- ribosome
- cell wall
Option 2 – mitochondria
17 Cutaneous respiration observed in …….
- cockroach
- amoeba
- earthworm
- butterfly
Option 3 – earthworm
18 Maximum rate of respiration takes place
- 0 degree celsius
- 45 degree celsius
- 100 degree celsius
- 160 degree celsius
Option 2 – 45 degree celsius
19 What are the energy producing centres in a cell
- mitochondria
- golgi complex
- vacuole
- ribosome
Option 1 – mitochondria
20 End product of glycolysis
Option 1 – pyruvic acid
21 Conversion of glucose to pyruvic acid yields to net gain of
- 2 molecules of ATP
- 36 molecules of ATP
- 4 molecules of ATP
- 38 molecules of ATP
Option 1 – 2 molecules of ATP
22 Cellular respiration takes place in the
- cytoplasm and mitochondria
- nucleus and mitochondria
- chloroplast and mitochondria
- mitochondria and vacuole
Option 1 – cytoplasm and mitochondria
23 For the oxidation, carbohydrates should be in the form of
- starch
- cellulose
- glucose
- fats
Option 3 – glucose
24 In one of the following is observed only aerobic respiration
- muscles
- yeast
- tetanus bacteria
- germinating seeds
Option 4 – germinating seeds
25 Respiration differs from combustion in
- release of heat all at once
- release of heat at several stages
- initial burning of substance
- initial supply of oxygen
Option 2 – release of heat at several stages
26 Which of the following is known as the energy currency of cells in biology
- DTP
- ATP
- ADP
- DDT
Option 2 – ATP
27 Reason for muscular pain is accumulation of ……….
Option 4 – lactic acid
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