Class 9 Science - Chapter Tissues NCERT Solutions | Complete the table:

Diagrammatically show the difference between the three types of muscle fibres.

What does a neuron look like?

Draw a labelled diagram of a neuron.

Give three features of cardiac muscles.

Where is apical meristem found?

What are the functions of the stomata?

How many types of elements together make up the xylem tissue? Name them.

What is a tissue?

Name the following.

(a) Tissue that forms the inner lining of our mouth.
(b) Tissue that connects muscle to bone in humans.
(c) Tissue that transports food in plants.
(d) Tissue that stores fat in our body.
(e) Connective tissue with a fluid matrix.
(f) Tissue present in the brain.

What are the constituents of phloem?

Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?

State the universal law of gravitation.

Which of the following are matter?

Chair, air, love, smell, hate, almonds, thought, cold, cold-drink, smell of perfume.

A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 11.3). Let us take it that the force acts on the object through the displacement. What is the work done in this case?

What is meant by a pure substance?

How does the sound produced by a vibrating object in a medium reach your ear?

In a reaction, 5.3 g of sodium carbonate reacted with 6 g of ethanoic acid. The products were 2.2 g of carbon dioxide, 0.9 g water and 8.2 g of sodium observations are in agreement with the law of conservation of mass.

sodium carbonate + ethanoic acid → sodium ethanoate + carbon dioxide + water

What are canal rays?

State any two conditions essential for good health.

How is our atmosphere different from the atmospheres on Venus and Mars?

What is the momentum of an object of mass m, moving with a velocity v?
(a) (mv)²      (b) mv²      (c) 1⁄2 mv²      (d) mv

Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 50 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging (a) from A to B and (b) from A to C?

What are macro-nutrients and why are they called macro-nutrients?

How are fish obtained?

How do storage grain losses occur?

How do biotic and abiotic factors affect crop production?

If the moon attracts the earth, why does the earth not move towards the moon?

Which characteristic of the sound helps you to identify your friend by his voice while sitting with others in a dark room?

The volume of 50 g of a substance is 20 cm³. If the density of water is 1 g cm^-3, will the substance float or sink?

List any three human activities which would lead to an increase in the carbon dioxide content of air.