List of top Questions asked in ICSE Class X board- 2026

A 28-year-old pregnant lady goes to a gynecologist for a check-up. Her doctor explains that there is normal growth of the foetus and the placenta is functioning well.
How are the Cytons and Axons of neurons arranged in the following? (a) Cerebrum
(b) Spinal Cord
(a) Who proposed the theory of Natural Selection?
Name the organism which was used as an example to explain Industrial Melanism.
Differentiate between Plasmolysis and Deplasmolysis.
What is the scientific name of modern man?
The organ that secretes this hormone.
Which is the resting but metabolically active stage of the cell cycle?
Choose the odd one out from the following terms and name the category to which the others belong:
The hormone responsible for this disorder.
A defect in our eye in which some parts of the object are in focus while the other parts are blurred.
The type of waste generated in hospitals and pathological laboratories.
The surgical technique for females that can be used to prevent pregnancy.
The evolutionary process by which new species arise from the existing ones.
Varun’s mother added plenty of salt to the mango pickle she made. This is to:
During which phase of the menstrual cycle does the endometrium shed?
The tropic movement wherein the tendrils of a pea plant twine around a support.
Which is the correct sequence of blood flow in the Pulmonary and Systemic Circulation?
A person suffering from kidney failure has proteins in the urine. What is this condition called?
What does Swachh Bharat Abhiyan aim to achieve in India?
A health organisation wants to educate the rural audience about population control using visually engaging methods. Which of these would be effective? P. Posters
Q. Loudspeakers
R. Film shows
S. Street plays
A family has a history of colour blindness. During a genetic testing, it was found that the mother is a carrier of colour blindness (XC X) and the father has normal vision (XY). What is the probability of their sons being colour blind?
A sequence of DNA has 300 nitrogenous base pairs, of which 75 are Guanine. What is the number of Thymine in this sequence?
Assertion (A): Abscisic acid promotes stomatal closure during a drought.
Reason (R): Abscisic acid helps the plant to conserve water during stress.
Assertion (A): Leukoderma is the biological term for blood cancer.
Reason (R): An abnormal increase in the number of WBCs causes blood cancer.