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MChapter 09

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

A reproductive structure in a heterosporous plants that produce microspores is a

a)

spores

b)

sporangium

c)

embryo sac

d)

pollen grain

2.

What is the function of tube nuclei?

a)

Sperm producing structure

b)

The mature female reproductive cell in plants.

c)

Control the growth of pollen tube to the ovule.

d)

Fuse with a male gamete nucleus to form a triploid endosperm nucleus

3.

FIGURE shows a scheme of embryo sac development of a flowering plant.


Identify W, X and Y in the scheme below.

a)

W: Meiosis X: Mitosis Y: Eight haploid nuclei

b)

W: Meiosis X: Mitosis Y: Four haploid nuclei

c)

W: Mitosis X: Meiosis Y: Eight haploid nuclei

d)

W: Meiosis X: Meiosis Y: Four haploid nuclei

4.

Which of the following is found within the unfertilised, mature embryo sac of a flowering plant?

a)

Egg

b)

Microspore mother cell

c)

Endosperm

d)

Fruit

5.

Which of the following undergoes meiosis in the development of pollen grains?

a)

Microspore

b)

Megaspore

c)

Microspore mother cell

d)

Megaspore mother cell

6.

How many nuclei are present in the embryo sac before fertilization?

a)

2

b)

4

c)

8

d)

16

7.

What are the products of double fertilization?

a)

diploid zygote and diploid endosperm

b)

triploid endosperm and triploid zygote

c)

diploid zygote and triploid endosperm

d)

diploid endosperm and triploid zygote

8.

What is the function of endosperm?

a)

It provides nutrient for developing flowers

b)

It supplies the nuclei necessary for double fertilization

c)

It stores food for the developing embryo in angiosperm

d)

It is a source of nutrition for developing cones in gymnosperms

9.

Where does the seed coat develop from?

a)

Ovary wall

b)

Integument of the ovule

c)

Endosperm

d)

Wall of the pollen sac

10.

Where is sperm matured?

a)

Seminal vesicals

b)

Epididymis

c)

Interstitial cells

d)

Ejaculatory duct

11.

What is the function of the acrosome in the sperm head?

a)

Control DNA replication in the sperm

b)

Store enzyme used for penetrating the egg during fertilization

c)

Store the genetic material

d)

Provide ATP for sperm movement

12.

Which of the following statement is incorrect?

a)

The developing follicles in the ovary produce estradiol

b)

The corpus luteum produces progesterone

c)

The placenta can produce both estradiol and progesterone

d)

FSH stimulates the formation of the corpus luteum

13.

In spermatogenesis, the primordial germ cells undergo mitotic division to form

a)

Spermatogonia

b)

Haploid spermatogonia

c)

Diploid spermatogonia

d)

Sperm

14.

1. The following are stages in spermatogenesis.

P: Spermatogonium.

Q: Primary spermatocyte.

R: Secondary spermatocyte.

S: Spermatid.


Which of the following stages involve haploid cells?

a)

P and Q.

b)

P and S.

c)

Q and R

d)

S and R

15.

In oogenesis, the first meiotic division start to takes place during the development of

a)

primordial germ cells to oogonium.

b)

primary oocytes to secondary oocytes.

c)

oogonium to primary oocytes

d)

secondary oocyte to ovum

16.

What occurs during an acrosome reaction?

a)

Calcium ions are released and the sperm fuses with the egg

b)

Enzymes are released and the outer layer of the egg is digested

c)

The sperm binds to the egg

d)

A special chemical that attracts the egg to the sperm is secreted

17.

The cortical reaction functions directly in the

a)

Fusion of egg and sperm nuclei

b)

Production of major block to polyspermy

c)

Make a pathway for sperm penetrates the zona pellucida

d)

Release of hydrolytic enzymes from the sperm cell

18.

What is the hormone produced by cells around the embryo that maintain the corpus luteum during pregnancy?

a)

Estradiol

b)

Progesterone

c)

Human chorionic gonadotropin (hCG)

d)

Follicle-stimulating hormone (FSH)

19.

The hormones involved in uterine contractions are _____________________________.

a)

epinephrine and norepinephrine

b)

prostaglandins and oxytocin

c)

estrogen and progesterone

d)

inhibin and testosterone

20.

The extra-embryonic membrane consists of the following EXCEPTS

a)

Amniotic fluid

b)

Amnion

c)

Allantois

d)

Yolk sac

21.

Which of the following are not female reproductive structure of plant?


I Style

II Filament

III Anther

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

22.

The pollen tube grows to or through the


I Ovary

II Style

III Stamen

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

23.

Which of the following cells are diploid?


I Spermatids

II Primary spermatoctyes

III Spermatogonia

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

24.

A stigma of a flower is cut. Which of the following is true?


I The ovule cannot be fertilised

II The ovary will not develop into a fruit

III The ovule cannot produce the embryo sac

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

25.

Which cells are produced during meiosis I?


I Secondary spermatocytes

II Primary spermatocytes

III Spermatids

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

26.

Which of the following is secreted by the anterior pituitary gland?


I FSH

II LH

III Testosterone

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

27.

Which of the following hormone involve in sperm production?


I Inhibin

II FSH

III LH

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

28.

In males, the follicle-stimulating hormone


I stimulates the development of sperm cells in the testes

II is produced by the hypothalamus

III stimulates the release of semen by the prostate gland during ejaculation

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

29.

Which of the following is function the testosterone?


I Spermatogenesis

II Growth of reproductive organs

III Muscle development

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

30.

Which of the following is associated with the luteal phase of the ovarian cycle?


I Decrease in the level of LH

II Increase in the level of progesterone

III Degeneration of the corpus luteum

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

31.

During parturition in humans, oxytocin is releases by the


I placenta

II posterior pituitary gland of the fetus

III posterior pituitary gland of the mother

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

32.

During pregnancy in humans, progesterone is releases by the


I placenta

II corpus luteum

III anterior pituitary gland of the mother

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

33.

During pregnancy in humans, estradiol is releases by the


I placenta

II corpus luteum

III development follicle

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

34.

What is the hormone detected during pregnancy test?

a)

Estradiol

b)

Progesterone

c)

Human Chorionic Gonadotrophin

d)

Human Chorionic Somatotrophin

35.

There are the function of hormone during pregnancy:


Inhibits myometrium contraction

Inhibits LH and FSH

Inhibits prolactin release

Stimulates uterus enlargement


What is the hormone?

a)

progesterone

b)

estradiol

c)

testosterone

d)

human Chorionic Gonadotropin

36.

There are the function of hormone during pregnancy:


Increase sensitivity of myometrium to oxytocin

Inhibits LH and FSH

Inhibits prolactin release

Stimulates the development of the uterine wall


What is the hormone?

a)

progesterone

b)

estradiol

c)

testosterone

d)

human Chorionic Gonadotropin

37.

What happen at the late stage of pregnancy?

a)

level of estradiol is higher than progesterone

b)

level of progesterone is higher than estradiol

c)

level of LH is higher than FSH

d)

level of LH is lower than FSH

38.

Which of the following hormone NOT involved during child birth?

a)

Estradiol

b)

Progesterone

c)

Prostaglandin

d)

Oxytocin

39.

Which of following hormone involved in positive feedback?


I Oxytocin

II Prostaglandin

III Progesterone

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

40.

During parturition in humans, placenta is/are secreted


I Oxytocin

II Prostaglandin

III Estradiol

a)

I only

b)

I and II only

c)

II and III only

d)

I, II and III

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