Question 1

Thspindlapparatus is madof

Accepted Answer

A) intermediate filaments. 
B) microfilaments. 
C) microtubules. 
D) chromatids. 
E) nucleoproteins. 
A) intermediate filaments. 
B) microfilaments. 
C) microtubules. 
D) chromatids. 
E) nucleoproteins.

Question 2

Sperarformefrothdirect maturation of

Accepted Answer

A) sperm mother cells. 
B) spermatids. 
C) spermatogonial cells. 
D) primary spermatocytes. 
E) secondary spermatocytes. 
A) sperm mother cells. 
B) spermatids. 
C) spermatogonial cells. 
D) primary spermatocytes. 
E) secondary spermatocytes.

Question 3

Which of thfollowing organisms may reproducby mitosis?

Accepted Answer

A) plants 
B) fungi 
C) animals 
D) plants and fungi 
E) plants, fungi, and animals 
A) plants 
B) fungi 
C) animals 
D) plants and fungi 
E) plants, fungi, and animals

Question 4

In plants, which of thfollowing cells is (are) diploid?

Accepted Answer

A) egg 
B) sperm 
C) spore 
D) leaf cell 
E) spore and leaf cell 
A) egg 
B) sperm 
C) spore 
D) leaf cell 
E) spore and leaf cell

Question 5

Alternativor different forms of thsamgenarcalled

Accepted Answer

A) chromosomes. 
B) chromatids. 
C) alleles. 
D) homologous. 
E) genetomorphs. 
A) chromosomes. 
B) chromatids. 
C) alleles. 
D) homologous. 
E) genetomorphs.

Question 6

Thcell in micrograph "I" is at which stagof thcell cycle?

Accepted Answer

A) prophase 
B) telophase 
C) interphase 
D) anaphase 
E) metaphase 
A) prophase 
B) telophase 
C) interphase 
D) anaphase 
E) metaphase

Question 7

Which of thfollowing is NOT truof human chromosomes?

Accepted Answer

A) The haploid number is 23. 
B) The diploid number is 46. 
C) There are 23 pairs of chromosomes. 
D) Human gametes end up with two of each type of 23 chromosomes. 
E) Human gametes end up with one of each type of 23 chromosomes. 
A) The haploid number is 23. 
B) The diploid number is 46. 
C) There are 23 pairs of chromosomes. 
D) Human gametes end up with two of each type of 23 chromosomes. 
E) Human gametes end up with one of each type of 23 chromosomes.

Question 8

Meiosis produces

Accepted Answer

A) sperm cells. 
B) egg cells. 
C) body cells. 
D) sperm and egg cells. 
E) sperm, egg, and body cells. 
A) sperm cells. 
B) egg cells. 
C) body cells. 
D) sperm and egg cells. 
E) sperm, egg, and body cells.

Question 9

Asexually reproducedaughter cells are

Accepted Answer

A) identical to each other. 
B) identical to the parent cell. 
C) different from the parent cell. 
D) different from each other. 
E) identical to each other and to the parent cell. 
A) identical to each other. 
B) identical to the parent cell. 
C) different from the parent cell. 
D) different from each other. 
E) identical to each other and to the parent cell.

Question 10

Cancer cells

Accepted Answer

A) have altered plasma membrane. 
B) are unable to attach to other cells. 
C) divide to produce high densities of cells. 
D) have a different metabolism, using glycolysis even when oxygen is available. 
E) fit all of these descriptions. 
A) have altered plasma membrane. 
B) are unable to attach to other cells. 
C) divide to produce high densities of cells. 
D) have a different metabolism, using glycolysis even when oxygen is available. 
E) fit all of these descriptions.

Question 11

Which of thfollowing statements is CORRECT about mitosis?

Accepted Answer

A) Mitosis maintains the chromosome number. 
B) Mitosis is responsible for accumulation of fat molecules. 
C) Mitosis is responsible for accumulation of carbohydrate molecules. 
D) Mitosis is central in the production of reproductive cells. 
E) All of these are correct. 
A) Mitosis maintains the chromosome number. 
B) Mitosis is responsible for accumulation of fat molecules. 
C) Mitosis is responsible for accumulation of carbohydrate molecules. 
D) Mitosis is central in the production of reproductive cells. 
E) All of these are correct.

Question 12

Thspreaof cancer froonsitto others in thbody is known as

Accepted Answer

A) a benign tumor. 
B) metastasis. 
C) a malignant tumor. 
D) remission. 
E) both a benign tumor and a malignant tumor. 
A) a benign tumor. 
B) metastasis. 
C) a malignant tumor. 
D) remission. 
E) both a benign tumor and a malignant tumor.

Question 13

Thspindlapparatus begin to becomvisiblduring

Accepted Answer

A) anaphase. 
B) metaphase. 
C) interphase. 
D) prophase. 
E) telophase. 
A) anaphase. 
B) metaphase. 
C) interphase. 
D) prophase. 
E) telophase.

Question 14

Which of thfollowing is (are) essential for cleavagduring cell division in animal cells?

Accepted Answer

A) a contractile ring 
B) a flagellum 
C) ATP molecules 
D) a contractile ring and a flagellum 
E) a contractile ring and ATP molecules 
A) a contractile ring 
B) a flagellum 
C) ATP molecules 
D) a contractile ring and a flagellum 
E) a contractile ring and ATP molecules

Question 15

Four of thfivanswers listebelow arrelateby a common phasof mitosis.Select thEXCEPTION.

Accepted Answer

A) chromosomes decondense 
B) spindle microtubules disappear 
C) nucleolus reappears 
D) chromosomes separate 
E) nuclear envelop re-forms 
A) chromosomes decondense 
B) spindle microtubules disappear 
C) nucleolus reappears 
D) chromosomes separate 
E) nuclear envelop re-forms

Question 16

Thpairing of chromosomes ancrossing over occur during

Accepted Answer

A) anaphase I. 
B) metaphase II. 
C) prophase I. 
D) prophase II. 
E) telophase II. 
A) anaphase I. 
B) metaphase II. 
C) prophase I. 
D) prophase II. 
E) telophase II.

Question 17

A dog body cell carries 78 chromosomes.A dog spercell is likely to contain how many chromosomes?

Accepted Answer

A) 19 
B) 39 
C) 78 
D) 156 
E) 312 
A) 19 
B) 39 
C) 78 
D) 156 
E) 312

Question 18

Through meiosis,

Accepted Answer

A) alternate forms of genes are shuffled. 
B) parental DNA is divided and distributed to forming gametes. 
C) the diploid chromosome number is reduced to haploid. 
D) offspring are provided with new gene combinations. 
E) all of these occur. 
A) alternate forms of genes are shuffled. 
B) parental DNA is divided and distributed to forming gametes. 
C) the diploid chromosome number is reduced to haploid. 
D) offspring are provided with new gene combinations. 
E) all of these occur.

Question 19

Four of thfivanswers listebelow arterms describing haploicells.Select thEXCEPTION.

Accepted Answer

A) ovum 
B) primary spermatocyte 
C) spermatid 
D) polar body 
E) secondary spermatocyte 
A) ovum 
B) primary spermatocyte 
C) spermatid 
D) polar body 
E) secondary spermatocyte

Question 20

HeLa cells can survivin a laboratory

Accepted Answer

A) for a few days. 
B) for a few weeks. 
C) for a month. 
D) for a year. 
E) indefinitely. 
A) for a few days. 
B) for a few weeks. 
C) for a month. 
D) for a year. 
E) indefinitely.

Exam 8: How Cells Reproduce

Thspindlapparatus is madof

Sperarformefrothdirect maturation of

Which of thfollowing organisms may reproducby mitosis?

In plants, which of thfollowing cells is (are) diploid?

Alternativor different forms of thsamgenarcalled

Thcell in micrograph "I" is at which stagof thcell cycle?

Which of thfollowing is NOT truof human chromosomes?

Meiosis produces

Asexually reproducedaughter cells are

Cancer cells

Which of thfollowing statements is CORRECT about mitosis?

Thspreaof cancer froonsitto others in thbody is known as

Thspindlapparatus begin to becomvisiblduring

Which of thfollowing is (are) essential for cleavagduring cell division in animal cells?

Four of thfivanswers listebelow arrelateby a common phasof mitosis.Select thEXCEPTION.

Thpairing of chromosomes ancrossing over occur during

A dog body cell carries 78 chromosomes.A dog spercell is likely to contain how many chromosomes?

Through meiosis,

Four of thfivanswers listebelow arterms describing haploicells.Select thEXCEPTION.

HeLa cells can survivin a laboratory

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolutionunit

Population Ecology

Communities and Ecosystems

The Biosphere and Human Eff Ects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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