Minerals are present in the soil in sufficient amounts. Do plants need to adjust the types of solutes that reach the xylem? Which molecules help
to adjust this? How do plants regulate the type and quantity of solutes that reach xylem?

Q: Differentiate between:
(a) Myelinated and non-myelinated axons
(b) Dendrites and axons
(c) Rods and cones
(d) Thalamus and Hypothalamus
(e) Cerebrum and Cerebellum

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

Briefly mention the mechanism of action of FSH.

Match the following and write correct choice in space provided
Animal Characteristics
a. Pila i. Jointed appendages
b. Cockroach ii. Perching
c. Asterias iii. Water vascular system
d. Torpedo iv. Electric organ
e. Parrot v. Presence of shell
f. Dog fish vi. Placoid scales
a. ____________________, b. ____________________, c. ____________________
d. ____________________, e. ____________________, f. ____________________

Q: What is the importance of plasma proteins?

Q: Explain the following:
(a) Role of Na+ in the generation of action potential.
(b) Mechanism of generation of light-induced impulse in the retina.
(c) Mechanism through which a sound produces a nerve impulse in the inner ear.

Q: Discuss The respiratory pathway is an amphibolic pathway.

Do different species of plants growing in the same area show the same rate of transpiration at a particular time? Justify your answer.

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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 7: A muscle fibre tapers at both ends and does not show striations. Name the muscle fibre. ....

A muscle fibre tapers at both ends and d | Class 11 Biology Chapter Structural Organisation in Animals, Structural Organisation in Animals NCERT Solutions

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