(English Medium) ICSE Class 10 - CISCE Important Questions for Biology

Name the substance that initiates blood clotting.

The heart sound 'Dub' is produced when ______.

The life span of an RBC is ______.

State the exact location of the following structure.

Papillary muscles

The diagram below depicts the human heart in one of its phases. Answer the questions that follow:

1. Which part of the heart is in the contraction phase?
2. Give a suitable reason to justify your answer in (a).
3. Distinguish between Systole and Diastole.

If a person has a heart attack, what must be done immediately?

P. Loosen his/her clothing

Q. Make him/her lie down in an airy room

R. Rush him/her to the hospital

S. Engage him/her in a conversation

Choose the odd one out from the following terms and name the category to which the others belong:

Choose the odd one out from the following terms and name the category to which the others belong:

Give the exact location of the pericardium.

Read the explanation given below and name the structure:

The smallest blood vessels in the human body.

Name the Following
The organ which produces urea.

Bile, Urea, Uric acid, Ammonia

Mention the exact location of the Prostate gland.

Give biological reasons for the following statements: There is frequent urination in winter than in summer

The nephrons discharge their urine at ______.

_____________ secreted by the (ii) _____________ lobe of the pituitary gland. If this hormone secretion is reduced, there is an increased production of urine. This disorder is called (iii) ____________. Sometimes excess glucose is passed with urine due to hyposecretion of another hormone called (iv) _____________ leading to the cause of a disease called (v) ______________.

the Biological/technical term Pigment providing colour to urine. 

The Biological/technical term for The removal of nitrogenous wastes from the body

The form in which glucose in stored in liver. 

State the exact location of the Loop of Henle.