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

the Biological/technical term for Complete stoppage of menstrual cycle in females

Give appropriate biological/technical terms for the following:

A pair of corresponding chromosomes of the same size and shape, one from each parent.

The Biological/technical term for The process of uptake of mineral ions against the concentration gradient using energy from the cell

A muscular wall is absent in ______.

State the main function of the Eustachian tube

Give the exact location of the Adrenal gland

Expand the following biological abbreviations: 

TSH

Draw neat and labelled diagrams of Malpighian capsule

 The diagram given below represents a system in the human body. Stud the diagram and answer the following questions:

Identify the system 

Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose

Study the diagram given below which represents a stage during the mitotic cell division and answer the questions that follow

(i) Identify the stage giving suitable reasons.
(ii) Name the parts numbered 1 and 2.
(iii) What is the technical term for the division of nucleus?
(iv) Mention the stage that comes before the stage shown in the diagram. Draw a neat labelled diagram of the stage mentioned.
(v) Which is the cell division that results in half the number of chromosomes in daughter cells?

The exchange of chromatid parts between the maternal and the paternal chromatids of a pair of homologous chromosomes during meiosis.

State the exact location of the Centromere

The given diagram shows a stage during mitotic division in an animal cell

(i) Identify the stage. Give a reason to support your answer.
(ii) Draw a neat labelled diagram of the cell as it would appear in the next stage. Name the stage.
(iii) In what two ways is mitotic division in an animal cell different from the mitotic division in a plant cell?
(iv) Name the type of cell division that occurs during :
A. Growth of a shoot
B. Formation of pollen grains.

Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase

Name the sex chromosomes in human males and females

What is the number of chromosomes in the gametes of human beings?

After mitotic cell division, a female human cell will have

A. 44 + XX chromosomes

B. 44 + XY chromosomes

C. 22 + X chromosomes

D. 22 + Y chromosomes

Given below is a diagram representing a stage during mitotic cell division. Study it carefully and answer the questions which follow :

(i) Is it a plant cell or an animal cell? Give a reason to support your answer.
(ii) Identify the stage shown.
(iii) Name the stage which follows the one shown here. How is that stage identified?
(iv) How will you differentiate between mitosis and meiosis on the basis of the chromosome number in the daughter cells?
(v) Draw a duplicated chromosome and label its parts.

Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong

Centrosome.Cell wall, Cell membrane, Large vacuoles