Review Questions About Types of Reproduction and Development

ane .

Which method of reproduction produces identical offspring and is most successful in a stable environment?

1. asexual reproduction

2. sexual

3. conjugation

4. inbreeding

2 .

Which method produces genetically-unique offspring?

1. parthenogenesis

2. budding

3. fragmentation

4. sexual reproduction

3 .

Which of the following statements is false?

1. Budding is a method of asexual reproduction.

2. Fragmentation is a method of asexual reproduction.

3. Parthenogenesis is a blazon of sexual reproduction that produces diverse offspring.

4. Binary fission is a method of asexual reproduction.

4 .

Sea stars are broken apart by workers to relieve the clams they feed on, then thrown back into the ocean. Oft the numbers of sea stars are seen to double after this. Give the reason why this happens.

1. regeneration

2. fragmentation

3. budding

4. the presence of suitable atmospheric condition

five .

Which form of reproduction might be utilized by a sexually reproducing brute that has limited mobility?

1. fragmentation

2. budding

3. hermaphroditism

4. parthenogenesis

half-dozen .

In sexual reproduction, gametes with either an 10 or Y chromosome are formed in males, whereas gametes in females contain a single X chromosome. What is the nature of both male and female gametes?

1. diploid

2. haploid

3. homozygous

4. heterozygous

7 .

External fertilization most commonly occurs in which type of environment?

1. aquatic

2. forests

3. savanna

4. steppe

8 .

Why is broadcast spawning considered advantageous?

1. Production of many eggs increases the chance of fertilization.

2. Product of many sperm increases the chance of fertilization.

3. It results in mixing of genes and greater genetic diversity.

4. Animals that are motile behave out this process.

9 .

Which term applies to egg development exterior the female person with nourishment derived from a yolk?

1. oviparity

2. viviparity

3. ovoviparity

4. ovovoparity

ten .

(credit: modification of work by Sasanami T, et al./Europe PMC)

The image shows the reproductive system of a female bird.

Which pick describes how the egg is deposited outside?

1. The egg is deposited outside from the vaginal opening.

2. The egg is passed to the cloaca and is deposited from the cloacal opening.

3. The egg is kept in side until it hatches. The bird gives live birth from the vaginal opening.

4. The egg is kept in side until it hatches. The offpsring passes to cloaca and the bird gives live birth through the cloacal opening.

11 .

Which of the post-obit structures is involved in mating in birds?

1. cloaca

2. spermatheca

3. uterus

4. coelom

12 .

The spermatheca, which is found in many insects, worms, and mollusks, is useful for _____.

1. spermatogenesis

2. sperm motion

3. growth of embryos

4. storing sperm and every bit a site for fertilization

13 .

Which part of the male reproductive organisation produces almost of the semen?

1. scrotum

2. seminal vesicles

3. seminiferous tubules

4. prostate gland

14 .

How is an oocyte released from a human ovary so information technology tin can enter the oviduct?

1. the beating action of the flagellum on the oocyte

2. the force of the follicular ejection directing the oocyte into the oviduct

3. the wavelike beating of cilia lining the oviduct

4. muscular contraction of the ovaries

fifteen .

Which female organ has the aforementioned embryonic origin as the penis?

1. clitoris

2. labia majora

3. greater vestibular glands

4. vagina

16 .

Which structure is but related to the male urinary organization, as opposed to the male reproductive arrangement?

1. urinary bladder

2. cowper'south gland

3. bulbourethral gland

4. urethra

17 .

How many eggs are produced as a result of one meiotic series of prison cell divisions?

1. 1

2. 2

3. 3

4. 4

eighteen .

Which of the following events activate the germ cells at puberty to produce spermatozoa?

1. activation past gonadotropin-releasing hormone

2. activation by increased hair growth

3. increase in blood volume

4. increase of secretion of testosterone

19 .

What stimulates Leydig cells in the testes to produce testosterone?

1. FSH

2. LH

3. inhibin

4. estrogen

20 .

In both males and females, the hormones FSH and LH play a critical function in the reproductive stage. What regulates the secretion of these hormones?

1. GnRH

2. estrogen

3. progesterone

4. inhibin

21 .

Which hormone prepares the endometrial lining of the uterus for potential implantation?

1. testosterone

2. estrogen

3. GnRH

4. progesterone

22 .

With the onset of menopause, the follicles end responding to which of the following hormones?

1. estradiol and progesterone

2. progesterone and estrogen

3. FSH and LH

4. FSH and GnRH

23 .

After ovulation, increasing amounts of _____ cause the endometrium to start to thicken.

1. fluid

2. LH

3. progesterone

4. GnRH

24 .

What characterizes the acrosomal reactions?

1. The sperm degrades the outermost layer of the egg to penetrate it.

2. motility of the sperm

3. fusion of the egg and sperm

4. breakdown of the envelope roofing the sperm head

25 .

What occurs as a result of fertilization of an egg and sperm?

1. Fertilization restores diploidy.

2. Fertilization always results in a viable embryo.

3. Fertilization merges ii diploid cells into a haploid jail cell.

4. Fertilization precedes ovulation.

26 .

Which of the post-obit statements regarding early on embryonic stages is fake?

1. The endoderm, mesoderm, and ectoderm are germ layers.

2. The trophoblast is a germ layer.

3. The inner cell mass is a source of embryonic stem cells.

4. The blastula is oft a hollow brawl of cells.

27 .

Gastrulation is the process in which the cells in the blastula rearrange themselves and form iii layers of cells. Each layer will differentiate into a dissimilar organ system. At what point of development do the major organs brainstorm to develop?

1. fertilization

2. outset trimester

3. second trimester

4. third trimester

28 .

What happens to the number of cells during cleavage?

1. increases

2. decreases

3. doubles with every cell sectionalisation

4. does not change significantly

29 .

The blastula stage is a mass of specialized cells. Of the following, which forms the liver cells?

1. inner cell mass

2. trophoblast

3. blastula

4. blastomere

xxx .

Which germ layer forms the skin cells?

1. endoderm

2. ectoderm

3. mesoderm

4. trophoblast

31 .

What are the iii phases of embryonic development in chronological order?

1. blastula → gastrula → cleavage

2. blastula → cleavage → gastrula

3. cleavage → gastrula → blastula

4. cleavage → blastula → gastrula

32 .

Which of the post-obit does not depict axes of symmetry in animals?

1. inductive-posterior

2. dorsal-ventral

3. upper-lower

4. lateral-median

33 .

Which of the following statements best summarizes the factors decision-making symmetry?

1. Centrality formation is genetically adamant.

2. Torso symmetry is independent of genes.

3. Torso symmetry is determined at the blastula stage.

4. Trunk symmetry is adamant as the embryo grows in length.

34 .

The neural plate undergoes folding and movement of cells to form which structure?

1. neural tube

2. epidermis

3. mesoderm

4. neural string

35 .

What is necessary for normal human fertilization to occur?

1. Many eggs must exist released.

2. The uterus must be enlarged.

3. One sperm needs to penetrate i egg.

4. Secretion of pituitary FSH and LH must decrease.

36 .

Before pregnancy, progesterone is produced by the ovaries to thicken the endometrial lining and ensure pregnancy. During the tertiary trimester of pregnancy, which organ produces progesterone?

1. placenta

2. endometrial lining

3. chorion

4. corpus luteum

37 .

Which hormone is primarily responsible for the contractions during labor?

1. oxytocin

2. estrogen

3. β-HCG

4. progesterone

38 .

What happens earlier the infant and placenta are expelled?

1. Thinning and dilation of the cervix have place.

2. There is increased claret flow to the baby.

3. Enlargement of the uterus takes place.

4. Increased product of estrogen occurs.

39 .

Which type of short-term contraceptive method is by and large more than effective than others?

1. bulwark

2. hormonal implants

3. natural family planning

4. withdrawal

forty .

Which of the following all-time indicates that a female is ovulating?

1. slight subtract in body temperature

2. decrease in cervical volume

3. more pliable cervical secretions

4. change in breast size

41 .

Fertility is by and large unaffected by_____.

1. sexually transmitted diseases

2. obstruction of reproductive tubes

3. drug use

4. genetic factors

42 .

What occurs in the procedure known equally in vitro fertilization (IVF)?

1. A sperm is injected into the egg externally.

2. An egg is fertilized by the sperm internally in the oviduct.

3. Eggs and sperm are combined externally then implanted.

4. Egg and sperm are combined externally and the resulting embryo is implanted.

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Source: https://openstax.org/books/biology-ap-courses/pages/34-review-questions

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