What is its function?
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Solution and Explanation
Top ICSE Class X board Biology Questions
- Four friends P, Q, R, and S were discussing the examples of genetic disorders. The examples they quoted were as follows:
P. Colour blindness and Malaria
Q. Albinism and Cholera
R. Haemophilia and Colour blindness
S. Haemophilia and Albinism
Who gave the correct examples?
- During the ventricular systole, the atrioventricular valves (P) and the semilunar valves (Q) \underline.
- Assertion (A): A thick cuticle reduces transpiration by acting as a barrier.
Reason (R): Desert plants have large, thin leaves for transpiration. - 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.
Top ICSE Class X board sense organs Questions
Bharat woke up late in the morning and missed the school bus.
This situation stimulated the nerves of the sympathetic system which resulted in:
Karan was standing on a high stool and cleaning the ceiling fan.
He suddenly loses balance and sustains a head injury. An examination reveals that his pupils have lost the capacity to constrict in bright light. Which structure has been damaged?
- A defect in our eye in which some parts of the object are in focus while the other parts are blurred.
- How are the Cytons and Axons of neurons arranged in the following? (a) Cerebrum
(b) Spinal Cord
Tara's grandmother is 70 years old and has a passion for embroidery. She faces difficulty in threading the needle as the eye of the needle appears blurred. The ophthalmologist diagnosed it as an age-related disorder.
(a) Name the eye disorder she is suffering from.
(b) How can the above defect be corrected?
(c) Where is the image formed in the above disorder?
Top ICSE Class X board Questions
- "स्वस्थ जीवन के लिए संतुलित भोजन, व्यायाम तथा खेलकूद बहुत आवश्यक होता है" इस विषय को आधार बनाते हुए एक लेख लिखिए।
- पुस्तकालय (Library) का हमारे जीवन में बहुत महत्व होता है। आप अपने विद्यालय के पुस्तकालय में जाकर किस प्रकार की पुस्तकों को पढ़ना पसंद करते हैं। अपनी प्रिय पुस्तक का वर्णन करते हुए लेख लिखिए।
- अच्छी संगति हमारे जीवन में अनेक बदलाव ला सकती है। हम अक्सर अपने मित्रों की बातों से प्रभावित होकर उनका अनुकरण (follow) करने लगते हैं। अच्छी संगति के लाभ बताते हुए एक सारपूर्ण लेख लिखिए।
- ‘मैंने यह निर्णय लिया कि भविष्य में ऐसी गलती दुबारा नहीं होगी’ इस वाक्य से अंत करते हुए अपने जीवन की कोई यादगार घटना या मौलिक कहानी लिखिए।
नीचे दिए गए चित्र को ध्यान से देखिए और चित्र को आधार बनाकर कोई लेख, घटना अथवा कहानी लिखिए जिसका सीधा व स्पष्ट संबंध चित्र से होना चाहिए।
