Standard 6

Meiosis and mitosis are two different reproductive processes.

What happens ONLY during meiosis?

A. Crossing over occursB. Replication of organellesC. Disappearance of the nucleolusD. Complete breakdown of the nuclear membrane

Question 1

Question 2Which statement is correct?

A. Meiosis is a way to reproduce, but mitosis is not. B. Meiosis is a way to create diversity, but mitosis is not.C. During mitosis, chromosomes are copied, but during

meiosis chromosomes double.D. During mitosis, chromosomes numbers double, but during

meiosis chromosome numbers remain constant.

Question 3Which process requires meiosis?

A. Egg productionB. Bacterial fission

C. Flatworm regenerationD. Vegetative propagation

Question 4Which statements about cell division are CORRECT?

1. Mitosis leads to variation in species.2. Meiosis leads to variation in a species.3. Mitosis produces haploid cells used in reproduction.4. Meiosis produces haploid cells used in reproduction

A. Statements 1 and 3

B. Statements 1 and 4

C. Statements 2 and 3

D. Statements 2 and 4

Question 5 Red blood cells carry oxygen to the body during

respiration and typically have a lifespan of four months. What is the role of mitosis in respiration?

A. Allows cells to absorb oxygen from the airB. Causes cells to release oxygen to the bodyC. Helps replace cells that are destroyed or damagedD. Produces molecules needed to maintain cell structures

Question 7Which reproductive process is

MOST like the regenerative process of skin cells?

A. Yeast creating budsB. Ovaries forming eggsC. Ferns producing sporesD. Muscles growing in size

Question 8Which cell process is represented by process 1 of reproduction?

A. Meiosis C. RespirationB. Mitosis D. Fertilization

2n2n

2n

n

n

n

n

Process 1

Process 2

Question 9 Study the sequence below. Which cellular process missing

from this sequence produces cells having a chromosome number 2n?

2nSkin cells

undergo ? Skin cellsto form

Having chromosome number

2n

A. Meiosis C. Respiration

B. Mitosis D. Fertilization

Question 10Which is produced by meiosis?A. 4 Haploid cellsB. 2 Diploid cells C. 2 Haploid cellsD. 4 Diploid cells

Question 11Fill in the blank. Crossing over and

_____ lead to genetic variation.A. Duplicate ChromosomesB. Independent assortmentC. Asexual reproductionD. Fertilization

Question 12Fill in the blanks. Cell division is a

process that enables organisms to _____ and ________.

A. Divide and reproduceB. Reproduce and distributeC. Divide and growD. Grow and reproduce