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

Name the Following
The organ which produces urea.

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

Cochlea, Malleus, Pinna, Stapes, Incus.

Formalin, Iodine, DDT, Lime

Bile, Urea, Uric acid, Ammonia

Cytoplasm : Cytokinesis : : Nucleus : __________

NADP and ATP [Expand the abbreviation]

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 Prostate gland.

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

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

Give appropriate biological/technical terms for the following:

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

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

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

_____________ 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) ______________.

State the exact location of the Centromere

the Biological/technical term Pigment providing colour to urine. 

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

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