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

Given below are groups of terms. The first pair indicates the relationship between the two terms. Complete the second pair accordingly.

Water and minerals : Xylem : : Prepared food : ______

Active Transport and Diffusion [Significance in plants]

State the main function of the Guard cells

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

Name the following:

The wax-like layer on the epidermis of leaves which reduces transpiration.

Lenticels or stomata (Which one remains open always ?)

State the difference between:

Haploid and diploid

Which one of the following genotypes is homozygous dominant and which one homozygous recessive in regards to tongue rolling:

In a certain species of animals, black fur (B) is dominant over brown fur (b) Predict the genotype and phenotype of the offspring when both parents are ‘Bb’ or have heterozygous
black fur . 

Active transport is one in which the ions outside the roots are ___________.

Active transport is in a direction ______ to that of diffusion.

Name the following:

A plant in which the stomata are sunken 

Closing of ______ and shedding of leaves reduce ______.

Given below is an example of a certain structure and its special functional activity:

Chloroplasts and photosynthesis

In a similar way, write the functional activity against the following: 

Leaf spines and ______

Mention whether the following statement is (T) Or (F). Give reason in support of your answer. 

As you grow from childhood to adulthood, your skin cells divide only to replace such cells that are lost from the surface.

Shown below are four stages (A, B, C, D) (not in sequence) of a certain kind of cell division.

1. Is it a plant cell or an animal cell? Give two reasons.
2. Is it undergoing mitosis or meiosis?
3. What should be the correct sequence of these four stages among themselves?
4. Name the stage that should precede the earliest of these stages.
5. Draw the stage names above inside the blank space provided.

Why is cell division necessary?

Fill in the blank:

The energy for cell division is stored as ______.

Write a sentence of the following:
Secondary constriction