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b. All are ex situ conservation methods.
a. 2.50 micrometers
d. Both b & c
b. methane
Heart pumps blood to all the parts of the body continuously.
Carbon dioxide gas is produced during breakdown of food.
Oxygen gas is used in respiration.
The size of chest cavity decreases when: (i) the ribs move down and inwards and (ii) diaphragm moves back up to its former position.
During exhalation, the ribs move down and inwards.
What is common to the techniques (i) in vitro fertilisation, (ii) Cryo preservation and (iii) tissue culture?
b. All are ex situ conservation methods.
b. All are ex situ conservation methods.
See lessAccording to the Central Pollution Control Board, particles that are responsible for causing great harm to human health are of diameter:
a. 2.50 micrometers
a. 2.50 micrometers
See lessWhich of the following causes biomagnification?
d. Both b & c
d. Both b & c
See lessCompressed Natural Gas (CNG) is:
b. methane
b. methane
See lessDescribe the functions of the heart.
Heart pumps blood to all the parts of the body continuously.
Heart pumps blood to all the parts of the body continuously.
See lessWhich gas is produced during breakdown of food?
Carbon dioxide gas is produced during breakdown of food.
Carbon dioxide gas is produced during breakdown of food.
See lessWhich gas is used in respiration?
Oxygen gas is used in respiration.
Oxygen gas is used in respiration.
See lessHow does the size of chest cavity decrease?
The size of chest cavity decreases when: (i) the ribs move down and inwards and (ii) diaphragm moves back up to its former position.
The size of chest cavity decreases when:
See less(i) the ribs move down and inwards and
(ii) diaphragm moves back up to its former position.
During exhalation what happens with the ribs?
During exhalation, the ribs move down and inwards.
During exhalation, the ribs move down and inwards.
See less