Consider the following statements regarding mitochondria: 1. They are double-membrane organelles. 2. They have their own 80S ribosomes. 3. They are the site of aerobic respiration. Which of the statements is/are correct? MCQ with Answer and Explanation

Explanation:
Charles Darwin, an English naturalist, proposed the theory of evolution by natural selection in his book 'On the Origin of Species'. Gregor Mendel, an Austrian monk, conducted experiments on pea plants and proposed the fundamental laws of inheritance (segregation and independent assortment). Robert Hooke discovered cells in cork tissue; the cell nucleus was discovered later by Robert Brown. Thus, statements 1 and 2 are correct.

Explanation:
Vas deferens transports sperm. The ovum is released from the ovary, fertilization occurs in the fallopian tube, prostate produces seminal fluid.

Explanation:
Salivary amylase (ptyalin) initiates starch digestion in the mouth, hydrolyzing starch to maltose. Pepsin digests proteins, lipase fats.