Q: The amniotic sac is attached to what? Choices: - Umbilical Cord - Stomach - uterus - placenta A:
placenta

(Question)
Q: Introduction of antigens into the body through immunization can confer what benefit? Choices: - active respiration - growth rate - sensitive immunity - active immunity A:
(Answer)
active immunity

Ques: Q: What happens to the energy levels of electrons as they are closer to the nucleus? Choices: - they are higher - they balance - they divide - they are lower A:
Ans: they are lower

(Q).
Q: What disease is described as a respiratory disorder characterized by wheezing, coughing, and a feeling of constriction in the chest? Choices: - indigestion - dementia - inflammation - asthma A:
(A).
asthma

Ques:Q: Which of the animals digest cellulose with the aid of methanogens? Choices: - pigs - apes - goats - cows A:

Ans:cows

Ques: Q: The kidneys work with the urinary system to remove what? Choices: - nutrients - water - ions - wastes A:
Ans:
wastes