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

Receptor, Spinal cord, Effector, Motor neuron, Sensory neuron.

Formalin, Iodine, DDT, Lime

Cytoplasm : Cytokinesis : : Nucleus : __________

Antibiotic and Antibody [Source]

Renal cortex and Renal medulla [Parts of the nephrons present]

The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow

(i) Name the physiological process occurring in the green plant that has kept the mouse alive.
(ii) Explain the physiological process mentioned above.
(iii) Why did the mouse die in bell jar B?
(iv) What is the significance of the process as stated in (i) for life on earth?
(v) Represent the above mentioned physiological process in the form of a chemical equation.

Mention the exact location of the Myelin sheath

Give biological reasons for the following:

Some women have facial hair like heard and moustache.

Give biological reasons for the following statements : In some xerophytes leaves are modified into spines

Give appropriate biological/technical terms for the following:

An apparatus that measures the rate of water uptake in a cut shoot due to transpiration.

Give appropriate biological/technical terms for the following:

The mild chemical substance which when applied on the body kills germs.

Give appropriate biological/technical terms for the following:

The antiseptic substance in tears.

The individual flattened stacks of membranous structures inside the chloroplasts are known as :
A. Grana
B. Stroma
C. Thylakoids
D. Cristae

The figure given below is a diagrammatic representation of a part of the cross section of the root in the root hair zone. Study the same and then answer the questions that follow

(i) Name the parts indicated by the guidelines 1 to 4.
(ii) Which is the process that enables the passage of water from the soil into the root hair?
(iii) Name the pressure that is responsible for the movement of water in the direction indicated by the arrows. Define it.
(iv) Due to an excess of this pressure sometimes drops of water are found along the leaf margins of some plants especially in the early mornings. What is the phenomenon called?
(v) Draw a well labelled diagram of the root hair cell as it would appear if an excess of fertiliser is added to the soil close to it.

Differentiate between Red Cross and WHO (one activity)

The diagram of an given below demonstrates a particular process in plants. Study the same and answer the questions that follow :

(i) Name the apparatus.
(ii) Which phenomenon is demonstrated by this apparatus?
(iii) Explain the phenomenon mentioned in (ii) above.
(iv) State two limitations of using this apparatus.
(v) What is the importance of the air bubble in the experiment?
(vi) Name the structures in a plant through which the above process takes place.

The following diagram demonstrates a physiological process taking place in green plants. The whole set up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow

(i) What aspect of the physiological process is being examined?
(ii) Explain the physiological process mentioned in (i) above.
(iii) Label the parts numbered 1 and 2 in the diagram.
(iv) Write a well-balanced chemical equation for the physiological process explained in (ii) above.
(v) What would happen to the rate of bubbling of the gas if a pinch of sodium bicarbonate is added to the water in the beaker? Explain your answer.

Briefly explain the following terms: Photophosphorylation

Briefly explain the following terms: Synapse

Rewrite the correct form of the statement: Formalin is an example of an Antiseptic