NCERT : BIOLOGY : BIO TECHNOLOGY

QUESTIONS : 25

TIME : 10 MIN

1 / 25

1) Which constitute the female accessory ducts [NCERT PG NO 45]

A) Oviduct + uterus + cervix

B) Fallopian tube + uterus + cervix + vagina

C) Fallopian tube + uterus + vagina

D) Oviduct + uterus + vagina

2 / 25

2) Encysted amoeba divides by [NCERT PG NO 6]

A) Budding

B) Both A & C

C) Multiple fission

D) Binary fission

3 / 25

3) Difference between ZIFT and IUT lies in the

A) Nature of cells

B) Methodology

C) Number of cells

D) Nature of sperms

4 / 25

4) Which of the following animal is bisexual ?

A) Cockroach

B) Monkey

C) Leech

D) Honey bee

5 / 25

5) Sepals also remain attached in plant after fertilisation only in [NCERT PG NO 16]

A) Fabaceae

B) Leguminaceae

C) Liliaceae

D) Solanaceae

6 / 25

6) Anther is generally

A) Trisporangiate

B) Monosporangiate

C) Tetrasporangiate

D) Bisporangiate

7 / 25

7) The external opening of urethra is called [NCERT PG NO 43]

A) Urinary bladder

B) Urethral meatus

C) Urinary tract

D) Urethral ductis

8 / 25

8) Wider part of the oviduct is [NCERT PG NO 46]

A) Isthmus

B) Ampulla

C) Infundibulum

D) Fimbriae

9 / 25

9) In humans, the sex of the baby is determined:

A) At the time of implantation and by the mother

B) At the time of fertilization and by the mother

C) At the time of implantation and by the father

D) At the time of fertilization and by the father

10 / 25

10) Most critical event in sexual reproduction is [NCERT PG NO 14]

A) Gametogenesis

B) Zygote formation

C) Fertilisation

D) Gamete transfer

11 / 25

11) How many microsporangia are located in the corners of a typical bilobed anther of angiosperm ? [NCERT], [KCET 2021]

A) 2

B) 8

C) 4

D) 1

12 / 25

12) Select incorrect statements w.r.t anther[NCERT PG NO 21]

A) Often a longitudinal groove runs widthwise separating the theca

B) Anther is bilobed & tetrathecous

C) Anther is a four sided (tetragonal)

D) Microsporangia develop to become pollen sacs

13 / 25

13) In which of the following pollen grains have long ribbon like structure [NCERT PG NO 29]

A) Zostera

B) Water lily

C) Hydrilla

D) Vallisneria

14 / 25

14) Who occupies the centre of each microsporangia when the anther is young [NCERT PG NO 21]

A) Middle layers

B) Sporogenous tissue

C) Tapetum

D) Connective tissue

15 / 25

15) Isogametes of [NCERT PG NO 10, FIG 1.5]

A) Homosapiens

B) Cladophora

C) Both A & B

D) Fucus

16 / 25

16) To achieve three celled stage in angiosperm which cell of pollen grain divide to form two male gametes [NCERT PG NO 23]

A) Generative cell

B) Microspore mother cell

C) All of the above

D) Vegetative cell

17 / 25

17) Polar nuclei are situated in the central cell - [NCERT]

A) Below the antipodals

B) Above the egg apparatus

C) All of the above

D) Below the egg apparatus

18 / 25

18) What is not correct with respect to testis in adults [NCERT]

A) Made up of 250 testicular compartments

B) Spherical in shape

C) 4-5 cm in length and width of 2-3 cm

D) Covered by a dense covering

19 / 25

19) Which of the following is non-medicated IUDs [NCERT PG NO 60]

A) Lippes loop

B) Multiload 375

C) LNG 20

D) Progestasert

20 / 25

20) Release of sperm from seminiferous tubule is known as [NCERT PG NO 47]

A) Stimulation

B) Spermiogenesis

C) Spermatogenesis

D) Spermiation

21 / 25

21) It is the vital link that ensure continuity of species. [NCERT PG NO 15]

A) Gamete

B) All of these

C) Zygote

D) Embryo

22 / 25

22) Which one of the following groups includes sexually transmitted infections caused by virus only ?

A) Hepatitis, Chlamydiasis, Chancroid

B) Syphilis, AIDS, Genital herpes

C) Genital warts, Hepatitis B, AIDS

D) Gonorrhoea, Scabies, Trichomoniasis

23 / 25

23) Which is the hormonal method of birth control

A) Vasectomy

B) Pill

C) IUD

D) Femidon

24 / 25

24) Each Ovary is connected to the pelvic wall and the uterus by: [NCERT PG NO 44 ]

A) Ligaments

B) Adipose tissue

C) Peritoneum

D) Areolar tissue

25 / 25

25) Select incorrect statements regarding water hyacinth. [ NCERT PG NO 8]

A) Most invasive weeds

B) Drains oxygen from water

C) Grow in running water

D) Known as terror of bengal

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The average score is 44%

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NCERT : BIOLOGY : BIO TECHNOLOGY

TIME : 10 MIN

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