In mitosis, chromosomes line up at the equatorial plate during _____.

1. 1. Anaphase
   2. Metaphase
   3. Prophase
   4. Telophase

Microfilaments are composed mainly of a protein called _____.

1. 1. Actin 
   2. Tubulin
   3. Myosin
   4. Chitin

Identify the none-membranous organelle from the following.

1. 1. Ribosome
   2. Endoplasmic reticulum (ER)
   3. Nucleus
   4. Chloroplast

Artificial selection was practiced by the _____.

1. 1. Arabs
   2. Chinese
   3. Romans
   4. None of these

The study of sound and sound waves is called _____.

1. 1. Acoustics
   2. Numismatics
   3. Astrophysics
   4. None of these

‘Entomology’ deals with _____.

1. 1. Plants
   2. Animals
   3. Gases
   4. Insects

The study of religions is called _____.

1. 1. Gerntology
   2. Physiology
   3. Theology
   4. Etymology

The study of culture and primitive peoples is called _____.

1. 1. Eugenics
   2. Ethology
   3. Entomology
   4. None of these

The study of the chemical composition of the earth’s crust is called _____.

1. 1. Zoology
   2. Ecology
   3. Geology
   4. Chorology

The study of glands is called _____.

1. 1. Endocrinology
   2. Craniology
   3. Seismology
   4. None of these