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(i) Fertilization in human females takes place in the **oviduct (fallopian tube). (ii) The uterus prepares for embryo implantation by thickening its inner lining, the endometrium, which becomes soft, spongy, and richly supplied with blood vessels. cbse class 10 science half ...
Excessive use of chemicals and pesticides pollutes soil, air, and water, kills beneficial organisms, reduces soil fertility, contaminates crops and enters the food chain, ultimately harming biodiversity, human health and causing long-term environmental degradation. class 10 science half yearly paper download class ...
The transport system in plants is slower than in animals because plants lack a pumping heart; movement of water, minerals and food occurs mainly through osmosis, diffusion and transpiration pull, which are slower processes compared to the rapid blood circulation ...
The cross involves RRyy × rrYY. All F1 offspring inherit the RrYy genotype. Since R (round) is dominant over r (wrinkled) and Y (yellow) is dominant over y (green), all F1 seeds will be round and yellow in appearance. Correct ...
To obtain an image of magnification M = − 1, the image must be real, inverted and of the same size as the object. This happens when the object is placed at twice the focal length of a convex lens. ...
