Ques: Q: Objects moving at different speeds, in different directions have different what? Read this paragraph and choose the correct option from the provided answers: Objects have the same velocity only if they are moving at the same speed and in the same direction. Objects moving at different speeds, in different directions, or both have different velocities. Choices: - protons - vibrations - electrons - velocities A:
Ans: velocities

Ques: Q: What is the term for if multiple sperm fuse with an egg? Read this paragraph and choose the correct option from the provided answers: To ensure that no more than one sperm fertilizes the egg, once the acrosomal reactions take place at one location of the egg membrane, the egg releases proteins in other locations to prevent other sperm from fusing with the egg. If this mechanism fails, multiple sperm can fuse with the egg, resulting in polyspermy. The resulting embryo is not genetically viable and dies within a few days. Choices: - fraternization - in vitro fertilization - pollenation - polyspermy A:
Ans: polyspermy

Ques: Q: What is the hollow and muscular balloon-shaped organ that collects urine? Read this paragraph and choose the correct option from the provided answers: The urinary bladder is a hollow and muscular organ. It is shaped a little like a balloon. It is the organ that collects urine. Choices: - prostate - urethra - kidney - urinary bladder A:
Ans: urinary bladder

Ques: Q: How many pairs of chromosomes are in the human genome? Read this paragraph and choose the correct option from the provided answers: The human genome has 23 pairs of chromosomes located in the nucleus of somatic cells. Each chromosome is composed of genes and other DNA wound around histones (proteins) into a tightly coiled molecule. Choices: - 21 - 24 - 13 - 23 A:
Ans:
23