Sameer is likely suffering from diabetes mellitus. It is caused by a deficiency of insulin hormone, which regulates blood sugar levels. Insulin is produced by the pancreas, specifically by the islets of Langerhans. class 10 science half yearly paper class 10 free ...
Category: Class 10 Science
NCERT Solutions for Class 10 Science and important questions for CBSE class 10 for session 2020-2021
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(a) Leads to infertility due to improper sperm formation. (b) Blocks sperm transport causing sterility. (c) No seminal fluid production; sperm inactive. (d) No pregnancy occurs; menstrual cycle continues. (e) Poor foetal nourishment, possibly causing miscarriage. cbse class 10 previous year ...
After fertilisation, the zygote develops into an embryo, ovules change into seeds, and the ovary grows into a fruit. Meanwhile, petals and sepals usually wither. These transformations mark the development of fruit and seed. class 10 science half yearly 2025 cbse class ...
Arteries have thick, elastic walls to withstand and maintain high pressure from blood pumped by the heart. Veins carry blood at lower pressure, so they contain valves to prevent backflow and ensure unidirectional movement. sample paper for class 10 science board ...
The purpose of urine formation is to remove nitrogenous wastes like urea and excess water, maintaining body balance. Urine is stored in the urinary bladder and released from the body through the urethra. class 10 science half yearly 2025 cbse class 10 ...