Life processes in living organisms Chapter No15 Class9
Science and Technology
MCQ
Maharashtra State Board
1 |
Which
of the following are examples of autotropic organisms? |
A |
Fungi
and virus |
B |
Virus
and bacteria |
C |
Green
plant and some bacteria |
D |
None
of the above |
Ans |
Green plants and bacteria |
2 |
Which
of the following is required in the autotropic mode of nutrition? |
A |
Sunlight
|
B |
Chlorophyll |
C |
Water
and carbon dioxide |
D |
All
of the above |
Ans |
All of the above |
3 |
Which
of the following is the green pigment used in photosynthesis? |
A |
Chlorophyll |
B |
Hemoglobin
|
C |
Phytochrome |
D |
None
of the above |
Ans |
Chlorophyll |
4 |
Chlorophyll
is mainly located in which of the following part of the plant? |
A |
Stem |
B |
Root
|
C |
Green
leaf |
D |
Bark |
Ans |
Green leaf |
5 |
Which
of the following is the largest gland of the human body? |
A |
Gastric
glands |
B |
Pancreas |
C |
Liver |
D |
Salivary
Glands |
Ans |
Liver |
6 |
Which
of the following mode of nutrition is found in fungi? |
A |
Autotropic
Nutrition |
B |
Saprotrophic
Nutrition |
C |
Holozoic
Nutrition |
D |
None
of the above |
Ans |
Saprotrophic Nutrition |
7 |
The
instrument used to measure the blood pressure is? |
A |
Sphygmomanometer |
B |
Barometer |
C |
Photometer |
D |
Manometer |
Ans |
Sphygmomanometer |
8 |
The
normal range of blood pressure in a human being is? |
A |
120/80
mmHg |
B |
120/90
mmHg |
C |
160/80
mmHg |
D |
130/80
mmHg |
Ans |
120/80
mmHg |
9 |
Which
of the following process converts the light energy into chemical energy? |
A |
Respiration |
B |
Transpiration |
C |
Photosynthesis |
D |
None
of the above |
Ans |
Photosynthesis |
10 |
What
is the full form of ATP? |
A |
Adenosine
diphosphate |
B |
Adenosine
phosphate |
C |
Adenosine
triphosphate |
D |
None
of the above |
Ans |
Adenosine
triphosphate |
11 |
Which
of the following is the primary functions of the hemoglobin? |
A |
To
make blood calories |
B |
To
kill harmful bacteria |
C |
Transport
of O2 |
D |
None
of the above |
Ans |
Transport of O
|
12 |
Respiration
in plants take place in? |
A |
Only
in night |
B |
Only
in day |
C |
Only
in evening |
D |
In
day and night both |
Ans |
In day and night both |
13 |
What
happens in the human body during respiration? |
A |
Formation
of new cells |
B |
Formation
of glucose |
C |
Oxidization
of glucose |
D |
Formation
of protein |
Ans |
Oxidization of glucose |
14 |
The
left atrium receives the pure blood from the? |
A |
Superior
venacava |
B |
Pulmonary
artery |
C |
Pulmonary
veins |
D |
None
of the above |
Ans |
Pulmonary veins |
15 |
Which
of the following procedure is used to clean the blood of a person by
separating area from it? |
A |
Filtration
|
B |
Osmosis
|
C |
Dialysis
|
D |
None
of the above |
Ans |
Dialysis |
16 |
Which
of the following body organ filters the dirty blood? |
A |
Lungs
|
B |
Heart |
C |
Kidneys |
D |
None
of the above |
Ans |
Kidneys |
17 |
In
which part of cell glycolysis process occurs? |
A |
Nucleus |
B |
Mitochondria |
C |
Chloroplast |
D |
Cytoplasm |
Ans |
Cytoplasm |
18 |
The
process through which the roots of plants absorb water from the soil is? |
A |
Transpiration
|
B |
Osmosis |
C |
Diffusion |
D |
None
of the above |
Ans |
Osmosis |
19 |
In
ameba, digestion of food occurs in? |
A |
Cytoplasm |
B |
Nucleus |
C |
Food
vacuole |
D |
None
of the above |
Ans |
Food vacuole |
20 |
Which
of the following is the function of the large intestine? |
A |
Assimilation
of food |
B |
Digestion
of facts |
C |
Digestion
of carbohydrates |
D |
Absorption
of water |
Ans |
Absorption of water |
21 |
Which
of the following is the functional unit of the lung? |
A |
Bronchus |
B |
Alveoli |
C |
Bronchiole |
D |
Trachea |
Ans |
Alveoli |
22 |
In
a minute, how many times human heartbeat? |
A |
108 |
B |
120 |
C |
180 |
D |
72 |
Ans |
72 |
23 |
Which
of the following is the strongest chamber of the human heart? |
A |
Left
ventricle |
B |
Left
atrium |
C |
Right
ventricle |
D |
Right
atrium |
Ans |
Left
ventricle |
24 |
Which
of the pair of an organ is meant for respiration in humans? |
A |
Kidney
|
B |
Lung |
C |
Hand
|
D |
None
of the above |
Ans |
Lung |
25 |
Which
of the following is the respiration in the human being? |
A |
Enzymes |
B |
Hemoglobin
|
C |
Insulin |
D |
None
of the above |
Ans |
Hemoglobin |
26 |
In
which of the following form the plants absorb the nitrogen from the
atmosphere? |
A |
Nitrates
and nitrites |
B |
Amino
acids |
C |
Proteins |
D |
None
of the above |
Ans |
Nitrates
and nitrites |
27 |
The
approximate length of an alimentary canal in human beings is? |
A |
1
m |
B |
6m-9m |
C |
3m-4m |
D |
None
of the above |
Ans |
6m-9m |
28 |
How
many milk teeth are present in humans? |
A |
32 |
B |
38 |
C |
20
|
D |
24 |
Ans |
20 |
29 |
Which
of the following is secreted by the lives? |
A |
Gastric
juice |
B |
Saliva |
C |
Pancreatic
juice |
D |
Bile
juice |
Ans |
Bile juice |
30 |
Which
of the following vitamin is water soluble? |
A |
Vitamin
C |
B |
Vitamin
A |
C |
Vitamin
D |
D |
Vitamin
K |
Ans |
Vitamin
C |
31 |
Which
part of the alimentary canal receives the bile from the liver? |
A |
Small
intestine |
B |
Large
intestine |
C |
Stomach |
D |
None
of the above |
Ans |
Small
intestine |
32 |
During
respiration in humans, gaseous exchange takes place? |
A |
Alveoli
of lungs |
B |
Throat
and larynx |
C |
Alveoli
and throat |
D |
None
of the above |
Ans |
Alveoli
of lungs |
33 |
Which
of the following are the filtration units of kidneys? |
A |
Ureter |
B |
Neurons |
C |
Nephrons |
D |
Urethra |
Ans |
Urethra |
34 |
Which
of the following blood carpusles destroy bacteria? |
A |
R.B.C |
B |
W.B.C |
C |
Blood
platelets |
D |
None
of the above |
Ans |
W.B.C |
35 |
Which
of the following plant tissue is used to transport minerals and from the
roots to the leaf? |
A |
Phloem |
B |
Parenchyma |
C |
Xylem |
D |
Collenchyma |
Ans |
Xylem |
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