(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

A biology teacher asked her students to give two examples of vestigial organs in the human body.

Raj said: Wisdom teeth and Pinna

Sonu said: Body hair and large intestine

Lata said: Vermiform appendix and wisdom teeth

Abhay said: Pinna and Ossicles

Who were correct?

Given below is a set of four term. Choose the odd one and write the category of the remaining term:

Which of the following is not a vestigeal organ?

Define the following term:

Vestigial organs

The hormone which stimulates cell division:

Name any four substances transported by blood.

Name the following:

Three stages of urine formation.

Write full form of the following abbreviation:

DCT

The solvent used to dissolve the chlorophyll pigments while testing a leaf for starch is Soda lime.

Phosphate, RNA, Sugar, Nitrogenous base

The diagram given below represents the location and structure of an endocrine gland. Study the same and answer the questions that follow 

(i) Name the endocrine gland shown in the diagram.
(ii) Name the secretion of the gland which regulates basal metabolism.
(iii) Name the mineral element required for the synthesis of the above mentioned hormone.
(iv) Name the disease caused due to undersecretion of the above mentioned hormone in children.
(v) Name the disease caused due to hypersecretion of the above mentioned hormone.

Expand the abbreviation:

ADP

Gigantism and Acromegaly are due to :
A. Hyposecretion of Thyroxine
B. Hyposecretion of Growth hormone
C. Hypersecretion of Thyroxine
D. Hypersecretion of Growth hormone

Given below is the outline of the human body showing the important glands :

(i) Name the glands marked 1 to 4.
(ii) Name the hormone secreted by part 2. Give one important function of this hormone.
(iii) Name the endocrine part of the numbered 3.
(iv) Why is the part labelled I called the master gland? Which part of the forebrain controls the gland labelled I?
(v) Name the gland that secretes the ‘emergency hormone’.

Briefly explain the following terms: Hormone

Rewrite the correct form of the statement : Alpha cells of pancreas secrete Insulin.

Rewrite the correct form of the statement: Cretinism is caused due to deficiency of Adrenaline.

fill in the blanks with suitable functions: Xylem and  __________.

fill in the blanks with suitable functions: Thyroid gland and _________

The hormone secreted by islets of langerhans.