MCQs

Q401: Presence of enzyme does not affect the nature or properties of ______?

• A) Reactants
• B) Reaction rate
• C) End products

Q402: Enzymes catalyze chemical reaction by _____ the activation energy.

• A) Raising
• B) Lowering
• C) Maintaining

Q403: There are ____ types of metabolic reactions.

• A) Two
• B) Four
• C) Three

Q404: Sequence of changes which occurs between one cell division and the next is called?

• A) Mitosis
• B) Meiosis
• C) Cell cycle

Q405: Cell death which is caused by external factor called ____?

• A) Apoptosis
• B) Autolysis
• C) Necrosis

Q406: During metaphase homologous chromosomes arrange themselves on the _____?

• A) Poles of the spindle
• B) Equator of the spindle
• C) Center of the cell

Q407: In animal meiosis produces _____?

• A) Gametes
• B) Zygotes
• C) Embryos

Q408: Period of extensive metabolic activity, in which cell grow, enzymes are synthesizes?

• A) M phase
• B) G2 phase
• C) G1 phase

Q409: Chromosomes consist of two genetically identical copies of thread called?

• A) Chromonema
• B) Chromosomes
• C) Chromatids

Q410: Chromosomes with one arm very small and other very long called ____?

• A) Metacentric
• B) Acrocentric
• C) Telocentric