Download App

Life Processes — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLife Processes3 Marks
Question
State the differences between artery, vein and capillary.
✓

Answer

 
Artery
Vein
Capillary
i.
It is a thick walled blood vessel.
It is a thin walled blood vessel.
It is an extremely narrow blood vessel having very thin walls.
ii.
It carries blood from the heart to different parts of the body.
It brings blood from the different parts of the body to the heart.
They form an extensive network throughout all living cells in the body and connect arteries and veins.
iii.
It can dilate or constrict depending on the regulatory requirement of the body.
It cannot dilate or constrict.
It can dilate or constrict according to the requirement of the tissue.
iv.
It does not contsin any valve.
It contains simple valves which permit blood flow only towards the heart.
It does not contain any valves.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[3 Mark Questions]" from Life Processes→Life Processes — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

The calorific values of three fuels A, B and C are 33kJ/ g, 48kJ/ g and 150kJ/ g, respectively. A is solid, B is liquid and C is a gas at room temperature. One combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.
→
List two differences in tabular form between dominant trait and recessive traits. What percentage/ proportion of the plants in the $F_2$ generation/ progeny were round, in Mendel’s cross between round and wrinkled pea plants?
→
Write a short note on ‘Chipko Andolan’ (Hug the Trees Movement).
→
The magnification of an image formed by a lens is -1. If the distance of the image from the optical centre of the lens is 25 cm, where is the object placed? Find the nature and focal length of the lens. If the object is displaced 15 cm towards the optical centre of the lens, where would the image be formed? Draw a ray diagram to justify your answer.
→
Describe the process of respiration in fish.
→
If the image formed by a lens for all positions of an object placed in front of it is always erect and diminished, what is the nature of this lens? Draw a ray diagram to justify your answer. If the numerical value of the power of this lens is 10 D, what is its focal length in the Cartesian system?
→
What differences would you expect in the charging of car batteries:
  1. In bright sunlight.
  2. On a cloudy day.
  3. At night.
→
Define reflex arc. Give the flow chart of a spinal reflex arc.
→
Write the four factors responsible for the corrosion of iron.
→
Consider the following salts:
$Na _2 CO _3, NaCl , NH _4 Cl , CH _3 COONa , K _2 SO _4,\left( NH _4\right) SO _4$ Which of these salts will give:
  1. Acidic solutions?
  2. Neutral solutions?
  3. Basic solutions (or alkaline solutions)?
→