Which scientist discovered the process of pasteurization? MCQ with Answer and Explanation

Explanation:
The blastocyst, a hollow ball of cells with an inner cell mass, hatches from the zona pellucida and implants into the endometrium around day 6-7 after fertilization. The zygote is the fertilized egg, morula is a solid ball, gastrula forms the three germ layers post-implantation.

Explanation:
Nostoc is a cyanobacterium (blue-green alga) that fixes atmospheric nitrogen and is used as a biofertilizer in rice paddies. Anabaena azollae with Azolla is also common. Rhizobium is bacterial biofertilizer for legumes, Azospirillum is a free-living nitrogen-fixing bacterium. Trichoderma is a fungal biocontrol agent. BGA biofertilizers increase organic nitrogen in soil.

Explanation:
The sternum, or breastbone, is a flat bone located in the center of the chest, to which the ribs attach. The clavicle, commonly known as the collarbone, connects the arm to the body, running horizontally above the first rib. The scapula, or shoulder blade, is a flat, triangular bone located on the upper back, forming the posterior part of the shoulder girdle. All statements are correct.