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1

Binary fission is ___________.
A)meiotic division of a cell
B)a process by which amoebae reproduce sexually
C)division of one cell into two
D)the most complex form of cell division
2

When is binary fission the best method of cell division?
A)when the environment is not changing
B)when the environment is changing rapidly
C)during the rainy season
D)during the warm season
3

A cell having one set of chromosomes is said to be ___________.
A)haploid
B)diploid
C)triploid
D)polyploid
4

Meiosis is a form of cell division that ______________.
A)is common to asexual life cycles
B)does not require fertilization to follow
C)prevents evolution
D)halves the genetic material
5

Sexually reproducing plants undergo alternation of generations. Which stage produces the gametes?
A)diploid sporophyte stage
B)diploid zygote
C)haploid gametophyte stage
D)haploid spores
6

What is an example of sex without reproduction?
A)bacterial conjugation
B)parthenogenesis
C)binary fission
D)mitosis
7

Which of the two meiotic divisions halves the chromosome number?
A)first division
B)second division
8

True or false. In humans, the X and the Y chromosomes are the autosomes.
A)True
B)False
9

What process(es) increase(s) diversity in a population?
A)sexual reproduction
B)crossing over
C)independent assortment
D)All of these are correct.
10

At what stage of meiosis do the homologous chromosomes separate?
A)prophase I
B)anaphase I
C)anaphase II
D)telophase II
11

During what stage do the individual replicated chromosomes align down the center of the cell?
A)metaphase I
B)telophase I
C)metaphase II
D)telophase II
12

Cell types that develop into sperm cells during spermatogenesis (from early to late) are:
A)spermatogonium-primary spermatocyte-secondary spermatocyte-spermatid
B)primary spermatocyte-secondary spermatocyte-spermatid-spermatogonium
C)spermatogonium-spermatid-secondary spermatocyte-primary spermatocyte
D)primary spermatocyte-secondary spermatocyte-spermatogonium-spermatid
13

The sac of enzymes contained in a sperm cell enabling penetration into the egg is the ___________.
A)protamine
B)acrosome
C)spermatocyte
D)midpiece
14

Where does meiosis occur in human males?
A)in the scrotum
B)vas deferens
C)seminiferous tubules
D)All of these are correct.
15

The ____________ stores spermatozoa until ejaculation.
A)bulbourethral gland
B)epididymis
C)urethra
D)prostate gland
16

Male sex hormones are secreted by ___________.
A)spermatogonia
B)secondary spermatocytes
C)sustentacular cells
D)interstitial cells
17

True or false. Sperm cells can ferry cocaine to an ovum during fertilization.
A)True
B)False
18

Egg-making in the female is called _____________.
A)spermatogenesis
B)oogenesis
C)fertilization
D)embryo transfer
19

In the female, small cells that form as a result of meiosis that contain little cytoplasm are ____________.
A)ova
B)oogonia
C)polar bodies
D)secondary oocytes
20

In humans, approximately how many oocytes develop to maturity from puberty to menopause and are released during ovulation?
A)100
B)400
C)1,000
D)10,000





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