1st Summative Test in Gen Bio 1 for 12-STEM Sy 2020-2021

All living things are composed of

• cell theory

• ribosomes

• prokaryotes

• cells

Which of the following is NOT a postulate of a unified cell theory?

• All living things are composed of cells

• Cells are the basic unit of life

• All cells undergo complete development

• All new cells arise from existing cells

Who coined the term cell for the box like structure he observed when viewing cork tissue?

• Matthias Schleiden

• Theodor Schwann

• Rudolf Virchow

• Robert Hooke

In many cells, the structure that controls the cell activities is the _____________.

• Cell Membrane

• Organelle

• Nucleolus

• Nucleus

Which part of the cell serves as venue for cellular respiration and is known as the powerhouse of the cell?

• Nucleolus

• Chromosome

• Mitochondrion

• Nucleus

Which type of tissue would be found in the epidermis and form the lining of internal organs such as the intestines?

• Nervous tissue

• Muscular tissue

• Connective tissue

• Epithelial tissue

The process by which the nucleus divides to produce two new nuclei that results in two daughter cells that are genetically identical to each other and to the parental cell from which they came.

• Meiosis

• Interphase

• Mitosis

• Cytokinesis

A type of passive transport which relies on carrier proteins in order for the substances to move down their concentration gradient.

• Active transport

• Facilitated diffusion

• Osmosis

• Sodium-potassium pump

Which of the following is an example of passive transport which occurs when particles move from an area of higher concentration to an area of lower concentration?

• Phagocytosis

• Pinocytosis

• Diffusion

• Osmosis

This process utilizes additional metabolic energy against the concentration gradient to move molecules across the membrane from a region of lower concentration to a region of higher concentration.

• Active Transport

• Passive Transport

• Osmosis

• Exocytosis