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

Name the following:

The process by which molecules distribute themselves evenly within the space they occupy.

Choose the odd one out from each series 

The conditions – cretinism, myxoedema, goiter, scurvy
…………………………………………. 

Identify the odd one in the following and mention what the rest is:

match the conditions in column A with the cause in column B. 

Mention which of the statements are true (T) and which are false (F). Give reason in support of your answer.  

Simple goiter can be prevented by using iodised salt in food. 

Why is iodine as a nutrient, important to our body?

People living in the low Himalayan hilly regions often suffer from goiter. What could be the possible reason for it? 

Given below is a table designed to give the names of the glands, the hormones produced, their chief functions, the effects of oversecretion and undersecretion in respect of thyroid, pituitary and pancreas. Fill up the blanks 1–13.

Complete the following table by filling in the blank spaces numbered 1 to 8: 

Given ahead is a portion from the human body showing some important structure in ventral (front) view.

1. Where is this portion located in the body?
2. Name the structures numbered 1-3.
3. State one main function of each of the structures named above.
4. Is there any duct to carry the secretions from the structure numbered 2? If so, give its name.

Given below is a diagram of two systems together in the human body.

1. Name the systems.
2. Name the parts numbered 1-10.
3. Describe the functions of the parts 3, 4, 5 & 6.
4. What will happen if the part 3 on both sides gets blocked?

In humans, the fertilization takes place in:

Rewrite the terms in the correct order so as to be in a logical sequence.

Implantation, ovulation, child birth, gestation, fertilisation.

The diagram below represents two reproductive cells A and B. Study the same and then answer the questions that follow:

1. Identify the reproductive cells A and B.
2. Name the specific part of the reproductive system where the above cells are produced.
3. Where in the female reproductive system do these cells unite?
4. Name the main hormones secreted by the (1) ovary (2) testes.
5. Name an accessory gland found in the male reproductive system and state the function of its secretion.

Expand the following biological abbreviation: 

TSH

Define dark reaction.

Choose the correct answer:
Energy is transformed from the light reaction to the dark reaction by _______________

Diagram shows the reproductive system of female human beings:
(i) Name the parts numbered 1 to 14.
(ii) Normally, after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What is the role of sperms after their ejaculation in vagina?
(v) What is the function of the organ numbered 5?
(vi) What is the gestation period in human?

State whether the following statement is true or false:
Oviducts and fallopian tubes are one and the same thing.

The vagina is a muscular tube.