NCERT : BIOLOGY : REPRODUCTION MOCK TEST -3

QUESTIONS : 25

TIME : 10 MIN

1 / 25

1) Pollen grains are mature when [NCERT PG NO 23]

A) Both A & C

B) It contains two diploid cells

C) It contains vegetative cell & genetative cell

D) It contains one haploid cells

2 / 25

2) Who play an important role in guiding the pollen tubes to enter the embryo sac [NCERT PG NO 27]

A) Egg cell

B) Mircropylar end

C) Synergids

D) Filiform apparatus

3 / 25

3) During parturition, the fetal ejection reflex triggers the release of:

A) A decreasing amount of estrogen and an increasing amount of progesterone from the placenta

B) An increasing amount of estrogen and a decreasing amount of progesterone from the placenta

C) Oxytocin in from the maternal pituitary

D) GnRH from the fetal hypothalamus

4 / 25

4) Which is not a Cu releasing IUDs [NCERT PG NO 60]

A) Multiload 375

B) CuT

C) Cu7

D) Progestasert

5 / 25

5) The primary oocyte completes the first meiotic division [NCERT PG NO 49]

A) In the fetal life

B) After fertilisation

C) Prior to ovulation

D) After ovulation

6 / 25

6) In which of the following, both autogamy and geitonogamy are prevented

A) Papaya

B) Wheat

C) Castor

D) Maize

7 / 25

7) A natural method of contraception, periodic abstinence is [NCERT PG 59]

A) Abstaining from coitus from day 10 to 17 of the menstrual cycle.

B) Abstaining from coitus from day 1 to 5 of the menstrual cycle.

C) Abstaining from coitus from day 17 to 22 of the menstrual cycle.

D) Abstaining from coitus from day 5 to 10 of the menstrual cycle.

8 / 25

8) All three wall layers perform the function of protection & help in dehiscence of anther to release pollen except [NCERT PG NO 21]

A) Epidermis

B) Endothecium

C) Middle layers

D) Tapetum

9 / 25

9) Correct statement about Leydig cells [NCERT PG NO 43]

A) Are present in seminiferous tubules and secrete androgens

B) Are present in seminiferous tubules and help in maturation of sperms

C) Are present in interstitial space and help in maturation of sperms

D) Are present in interstitial space and secrete androgens

10 / 25

10) How many sperms are formed from a secondary spermatocyte?

A) 8

B) 1

C) 4

D) 2

11 / 25

11) What will be the ploidy of nucellus , MMC, Functional megaspore & female gametophyte respectively [NCERT PG NO 26]

A) 2n , n , 2n , n

B) n , n , 2n , 2n

C) 2n, 2n , n , n

D) n , 2n , n , 2n

12 / 25

12) Pollen grains are well preserved as fossils because of presence of [NCERT PG NO 23]

A) Facinating array of patterns & design

B) Pollen kit

C) Pollen potential

D) Sporopollenin

13 / 25

13) Which of the following statement is incorrect ?

A) The life spans of organisms are correlated with their sizes

B) Asexual reproduction is a rapid mode of reproduction

C) Animals are either unisexual or bisexual

D) Embryogenesis involves cell division and cell differentiation

14 / 25

14) Patterns and designs of exine of pollen grains are Characteristic feature of [NCERT PG NO 23]

A) None of these

B) Genus of plants

C) Species of plant

D) Order of plants

15 / 25

15) which of the following birth control measures can be considered as the most effective and reliable ?

A) Sterilisation technique

B) Intra uterine devices

C) The rhythm method

D) Use of physical barriers

16 / 25

16) In monerans & protistan , the parents cell divides by [NCERT PAGE NO 5]

A) Meiosis

B) First meiosis then mitosis

C) Mitosis

D) First mitosis then meiosis

17 / 25

17) In India, marriageable age for boys is ____ and girls is ____ respectively. [NCERT]

A) 21, 18 years

B) 15, 18 years

C) 15, 14 years

D) 18, 21 years

18 / 25

18) The primary female sex organs are located

A) One on each side of lower abdomen

B) At a time only one side of lower abdomen

C) At a time only one side of upper abdomen

D) One on each side of upper abdomen

19 / 25

19) The outermost and innermost wall layers of microsporangium in an anther are respectively [NCERT PG NO 21]

A) Epidermis , tapetum

B) Endothecium , epidermis

C) Epidermis, endothecium

D) Tapetum , epidermis

20 / 25

20) The testes are situated ____ the abdominal cavity within a pouch called ____. [NCERT PG NO 43]

A) inside, scrotum

B) inside, testicular lobules

C) outside, vas deferens

D) outside, scrotum

21 / 25

21) The largest part of the fallopian tube is [NCERT PG NO 44]

A) Isthmus

B) Cervical canal

C) Ampulla

D) Infundibulum

22 / 25

22) The offspring produced through which of the following process are not exactly similar to their parents ?

A) Sexual reproduction

B) Ameiotic thelytoky

C) Asexual reproduction

D) Parthenogenesis

23 / 25

23) Which of the following depicts the correct pathway of transport of sperms [NEET 2016]

A) Efferent ductules➡️Rete testis➡️vas deferens➡️Epididymis

B) Rete testis➡️Epididymis➡️Efferent ductules➡️vas deferens

C) Rete testis➡️vas deferens➡️ Efferent ductules➡️Epididymis

D) Rete testis➡️Efferent ductules ➡️Epididymis➡️vas deferens

24 / 25

24) All are bisexual/monoecious species except [NCERT PG NO 12 , FIG 1.6]

A) Sweet potato

B) Marchantia

C) Chara

D) Cucurbits

25 / 25

25) The diaphragm is a rubber dome shaped structure and stops the sperms from entering into [NCERT PG NO 60]

A) Vagina

B) Vestibule

C) Cervix

D) Both A&B

Your score is

The average score is 57%

0%

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NCERT : BIOLOGY : REPRODUCTION MOCK TEST -3

TIME : 10 MIN

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