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Question Bank Solutions for ICSE Class 10 - CISCE - Biology

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Biology
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Name the Following
The organ which produces urea.

[0.032] The Excretory System (Elimination of Body Wastes)
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Concept: Excretion: Substances to Be Eliminated

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

[0.012] Cell Cycle, Cell Division and Structure of Chromosomes
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
Concept: Chromosomes - The Carriers of Heredity

Cochlea, Malleus, Pinna, Stapes, Incus.

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

Formalin, Iodine, DDT, Lime

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

Bile, Urea, Uric acid, Ammonia

[0.032] The Excretory System (Elimination of Body Wastes)
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Concept: Excretion: Substances to Be Eliminated

Cytoplasm : Cytokinesis : : Nucleus : __________

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

NADP and ATP [Expand the abbreviation]

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

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.

 

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

Mention the exact location of the Prostate gland.

[0.032] The Excretory System (Elimination of Body Wastes)
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Concept: Excretion: Substances to Be Eliminated

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

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

Give biological reasons for the following statements: There is frequent urination in winter than in summer

[0.032] The Excretory System (Elimination of Body Wastes)
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Concept: Excretion: Substances to Be Eliminated

Give appropriate biological/technical terms for the following:

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

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

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

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

The nephrons discharge their urine at the :
A. Urinary bladder
B. Urethra
C. Renal pelvis
D. Renal pyramid

[0.032] The Excretory System (Elimination of Body Wastes)
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Concept: Excretion: Substances to Be Eliminated

_____________ secreted by the (ii) _____________ lobe of the pituitary gland. If this hormone secretion is reduced, there is an increased production of urine. This disorder is called (iii) ____________. Sometimes excess glucose is passed with urine due to hyposecretion of another hormone called (iv) _____________ leading to the cause of a disease called (v) ______________.

[0.032] The Excretory System (Elimination of Body Wastes)
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Concept: Excretion: Substances to Be Eliminated

State the exact location of the Centromere

[0.012] Cell Cycle, Cell Division and Structure of Chromosomes
Chapter: [0.012] Cell Cycle, Cell Division and Structure of Chromosomes
Concept: Chromosomes - The Carriers of Heredity

the Biological/technical term Pigment providing colour to urine. 

[0.032] The Excretory System (Elimination of Body Wastes)
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Concept: Excretion: Substances to Be Eliminated

The Biological/technical term for The removal of nitrogenous wastes from the body

[0.032] The Excretory System (Elimination of Body Wastes)
Chapter: [0.032] The Excretory System (Elimination of Body Wastes)
Concept: Excretion: Substances to Be Eliminated

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.

 

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants

Briefly explain the following terms: Photophosphorylation

[0.023] Photosynthesis: Provider of Food for All
Chapter: [0.023] Photosynthesis: Provider of Food for All
Concept: Photosynthesis - Food Making Process in Plants
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