i) 12 Ω lamps (only) on. (a) 4 Ω lamps (only) on (ii) 12 V for both sets of lamps and all of them are in parallel. (iii) 12 Ω lamps are on when the wire is connected to position 2. class 10 science ...
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The hormone cytokinin is found in regions of rapid cell division, like root and shoot tips, promoting growth. The hormone abscisic acid (ABA) inhibits growth and induces dormancy under stressful conditions. class 10 science half yearly paper class 10 free sample paper ...
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 ...
(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 ...