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

Write whether the following is true or false:
Axon of one neuron communicates with other nerve cell through synapse.

Write whether the following is true or false:
Neurotransmitters are released on activation.

Write whether the following is true or false:
Neurotransmitters are either broken down or reabsorbed after they have conducted an impulse.

Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.

If the phloem of a twig is removed keeping the xylem intact, the leaves of a twig wilt.

Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.

Guttation in plants occurs maximum at midday.

Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.

Dry seeds when submerged in water swell up due to endosmosis.

The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:

The root hair cell is in a turgid state. Name and explain the process that caused this state.

The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:

Mention one distinct difference between the parts labelled A and B.

The diagram below represents a layer of epidermal cells showing a fully grown root hair. Study the diagram and answer the questions that follow:

Draw a diagram of the above root hair cell as it would appear when a concentrated solution of fertilizers is added near it.

Study the experimental setup in the figure and then answer the question that follow.

Explain the phenomenon mention in question 8.1 .

Study the experimental setup in the figure and then answer the question that follow.

What is meant by 'semipermeable membrane'?

Study the experimental setup in the figure and then answer the question that follow.

What will you observe in the setup after about half an hour? Give reasons for your answer.

The production of starch, and not glucose, is often used as a measure of photosynthesis in leaves because

The number of water molecules required in the chemical reactions to produce one molecule of glucose during photosynthesis is

The rate of photosynthesis is not affected by

If the rate of respiration becomes more than the rate of photosynthesis, plants will:

Which one chemical reaction occurs during photosynthesis?

The specific function of light energy in the process of photosynthesis is to

A plant is kept in a dark cupboard for 48 hours before conducting any experiment on photosynthesis in order to