The given graph represents the pressure (systolic and diastolic) of a volume of blood moving through circulatory system via different blood vessels labelled as P, Q, R, S and T.
Match the vessels given in Column-I with their corresponding letters given in Column-II and select the correct option.
(a) a-(i), b-(iv), c-(ii), d-(iii), e-(v)
(b) a-(i), b-(iii), c-(v), d-(iv), e-(ii)
(c) a-(v), b-(iii), c-(iv), d-(ii), e-(i)
(d) a-(ii), b-(iii), c-(iv), d-(v), e-(i)
Which of the following is an incorrect statement?
(a) Cotton yarn shrinks away from flame and burns and smells like burning paper.
(b) Silk has come under fire from animal right activists.
(c) Wool fibres have an outer layer scales that reduce the ability of dirt and dust to penetrate the fibre.
(d) A spinneret is used to make nylon but is not needed to make cotton or wool fibres.
Following are the precautions one must take in the case a storm is accompanied by lightning. Which one of the following statements is not correct?
(a) Do not take shelter under a tall tree.
(b) Do not take shelter inside a closed car.
(c) Do not take shelter under an umbrella.
(d) Do not take shelter under an open garage.
Match column I with column II and select the correct option from the codes given below.
|Column I||Column II|
|(Material)||(Smell on burning)|
|(A) Silk||(i) Burning plastic|
|(B) Wool||(ii) Charred meat|
|(C) Nylon||(iii) Burning hair|
A (A) - (i), (B) - (ii), (C) - (iii)
B (A) - (iii), (B) - (i), (C) - (ii)
C (A) - (iii), (B) - (ii), (C) - (i)
D (A) - (ii), (B) - (iii), (C) - (i)
A piece of chalk can be broken into small particles by hammering but a piece of iron cannot be broken into smaller particles by hammering. It illustrates that
A Particles of matter have space in between them
B Particles of matter possess kinetic energy
C Particles of matter attract one another
D All of these.
please tell me the answer
How is a young plant different from an adult plant?
A The adult plant has roots but the young plant does not.
B The adult plant has a stem but the young plant does not.
C The adult plant has flowers but the young plant does not.
D The adult plant does not need air but the young plant does.
please tell how