Differentiate between
a. Inspiratory and expiratory reserve volume
b. Vital capacity and total lung capacity
c. Emphysema and occupational respiratory disorder

Differentiate between:
a. Open and closed circulatory system
b. Oviparity and viviparity
c. Direct and indirect development
d. Aceolomate and pseudocoelomate
e. Notochord and nerve cord
f. Polyp and medusa

Q: Explain the following processes:
(a) Polarisation of the membrane of a nerve fibre
(b) Depolarisation of the membrane of a nerve fibre
(c) Conduction of a nerve impulse along a nerve fibre
(d) Transmission of a nerve impulse across a chemical synapse

Q: Describe the evolutionary change in the pattern of heart among the vertebrates.

Q: What is a flower? Describe the parts of a typical angiosperm flower?

How does a muscle shorten during its contraction and return to its original form during relaxation?

Q: Define and understand the following terms:
(i) Phylum
(ii) Class
(iii) Family
(iv) Order
(v) Genus

Q: What essential role does the root endodermis play during mineral absorption in plants?

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Reference examples and data from the chapter when answering questions about Transport in Plants.
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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 3: Why are natural membranes selectively permeable. Give examples.....

Why are natural membranes selectively pe | Class 11 Biology Chapter Transport in Plants, Transport in Plants NCERT Solutions

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