Reproduction MCQs Past Papers 12th Biology Unit 18 With Answer

reproduction mcqs 12th biology

Reproduction MCQs past papers of 12th class Biology. Fsc part 2 Biology fully solved MCQs of Unit 18. All multiple-choice questions are taken from previous papers.  All Punjab boards past papers MCQs from 2014 to 2019.

Reproduction MCQs From Past Papers

Here is a collection of reproduction MCQs past papers with answer keys.

Reproduction MULTIPLE CHOICE QUESTIONS (MCQ’s) (From Previous Board Papers 2014-2015-2016-2017-2018).

Parthenocarpy is sometimes artificially induced in tomato, peppers etc, by adding:
(LHR. GII, BWP.GI. 2014) (LIIR. GI, 2016)
(A) Abscisic acid
(B) Cytokinin
(C) Auxin
(D) Gibberellins

Reproduction is necessary for the survival of: (LHR. GI, 2014) (SGD. GI, FBD. GI, 2015)
(SGD. GI. 2016) (RWP.2018)
(A) Individual
(B) Species
(C) Community
(D) Biome

Fruit ripening is due to the production of: (LIIR. GI, 2014) (GRW.GI, 2014)
(A) Auxins
(B) Cytokinin
(C) Gibberellin
(D) Ethane

Vehicle for transport of male gamete in land plants is: (LIIR. GI, 2014)(SGD. GI, 2016)
(A) Water
(B) Pollen tube
(C) Pollen grain
(D) Wind

Developing seeds are a rich source of: (MLN. GI, 2014) (AJK. GI, 2016) (RWP.2018)
(A) Auxin
(B) Gibberellins
(C) Cytokinins
(D) All of these

Fruit development without fertilization is: (GRW.GII, 2015)
(A) Dormancy
(B) Climacteric
(C) Parthenocarpy
(D) Parthenogenesis

Germinating pollen grain is a rich source of: (SGD, 2017)(LIIR. GI, 2015)
(A) Gibberellins
(B) Auxin
(C) Cytokinin
(D) Ethene

Evolution of pollen tube is parallel to the evolution of: (RWP. GI. 2017)(DGK. GII, 2015)
(A) Stem
(B) Leaves
(C) Flower
(D) Seed

P660 is quiescent form, is converted to active p 730 by the absorption of: (SWL. GI, 2016)
(A) Blue light
(B) Yellow light
(C) Red light
(D) Orange light

The light effective in preventing flowering in Cocklebur is: (DGK. GII, 2016)
(A) Blue light
(B) Red light
(C) Yellow light
(D) Far red light

The light which promotes germination of fern spores: (DGK. GI. 2016) (SGD, 2018)
(A) Green
(B) White
(C) Blue
(D) Red

The tobacco plant produces flowers in:
(GRW.GI. 2014)
(A) Spring
(B) Summer
(C) Autumn
(D) Winter

The long day plants produce flowers in the presence of photochrome: (FBD. GI, 2014)
(A) P-660
(B) P-770
(C) P-730
(D) P-600

The temperature more effective for vernalization is: (LHR. GII, 2015)
(A) 4°C
(B) 8°C
(C) 12°C
(D) 16°C

Photoperiod affects flowering when shoot meristems start producing: (MLN. GI, 2015) (DGK, 2018)
(A) Floral buds
(B) Leaves
(C) Lateral buds
(D) Branches

Identify the day-neutral plant. (RWP. GII, 2017(FBD. GI, 2017)
(A) Cabbage
(B) Cotton
(C) Tobacco
(D) Cocklebur

Type of asexual reproduction: (LIR, GII.2010
(A) Fertilization
(B) Vernalization
(© Apomixes
(D) Photoperiodism

Development of an egg into an Embryo without fertilization is called as: (BWP. GI, 2016)
(A) Parthenocarpy
(B) Parthenogenesis
(C) Meiosis
(D) Fragmentation

The animals that lay shelled eggs to protect the developing are called: (RWP. G1, 2016)
(A) Oviparous
(B) Viviparous
(C) Ovoviviparous
(D) Erg laying mammals

Diploid parthenogenesis may occur in: (GRW, MLN. GII. 2017)(AJK. GI, 2016)
(A) Aphids
(B) Bees
(C) Wasp
(D) Honey bee

Fertilization is the process that leads to the union of: (SWL. GI, 2016)
(A) Individuals
(B) Gametes
(C) Sperms
(D) Eggs

Union of gametes is called: (SGD. GI, 2014)
(A) Fertilization
(B) Gametogenesis
(C) Spermatogenesis
(D) Oogenesis

In the honey bee, males are haploid and produce sperms by: (DGK. GI, 2014) (LIIR. GII, 2015) (GRW, AJK, 2018)
(A) Mitosis
(B) Meiosis
(C) Apomixis
(D) Parthenogenesis

Rapid aging and less resistance to environmental stress and diseases are limitations of:
(DGK. GII, 2015) (DGK, 2018)
(A) Parthenocarpy
(B) Vernalization
(C) Cloning
(D) Phototropism

Haploid males produce sperms by mitosis: (FBD. GI, 2017)
(A) Hydra
(B) Earth worm
(C) Honey bee
(D) Man

Reptiles and birds are: (GRW.GI, 2017)
(A) Viviparous
(B) Oviparous
(C) Ovoviviparous
(D) Marsupial

The fluid is secreted to provide liquid medium, protection, and nourishment: (GRW. GI, 2016)
(A) Corpus luteum
(B) Follicle Era
(C) Sertoli
(D) Uterus

Second meiotic division in oocytes, until fertilization proceeds as far as: (RWP. GI, 2014)
(A) Prophase
(B) Metaphase
(C) Anaphase
(D) Telophase

Between the seminiferous tubules are interstitial cells, which secrete:
(DGK. GI, 2015)(FBD. GI, 2014)(DGK. GII, 2017)
(A) Estrogen
(B) Testosterone
(C) Aldosterone
(D) Corticosteroids

Sperms are formed in: (SWL. GI, 2014)
(A) Vas deferens
(B) Collecting ducts
C) Epididymis
(D) Seminiferous tubules

Fluid secreted by Sertoli cells provides liquid medium, protection and nourishment to:
(LHR. GI, 2015)
(A) Oocyte
(B) Sperms
(C) Polar body
(D) Spermatids

The first convoluted part of vas deferens is called: (BHP, 2017)(LHR. GI, 2017)
(A) Epididymis
(B) Penis
(C) Scrotum
(D) Sperm

The menstrual cycle is called: (RWP. GI, 2016)
(A) Menopause
(B) Emotional stress
(C) Malnourishment effect of cycle
(D) Menstruation

The release of ovum from the ovary is called: (DGK. GII, 2016)
(A) Ovulation
(B) Menstruation
(C) Follicle atresia
(D) Menace

Decrease of FSH and increase of estrogen causes the pituitary gland to secrete: (SGD. GI, AJK. GI, 2015)
(A) LH
(B) LTH
(C) TSH
(D) ACTH

From the beginning of the third month of pregnancy the human embryo is referred to as the:
(MLN. GI, 2016)
(A) Foetus
(B) Placenta
(C) Neonate
(D) Young one

Labor pains are induced by a hormone: (SWL, 2017)(GRW. GI, 2016)(SGD. GI, 2015)(FBD. GI, 2015)
(A) ACTH
(B) Progesterone
(C) Corticosteroid
(C) Oxytocin

Human embryo remains enclosed in a sac called: (RWP. GI. 2014)
(A) Placenta
(B) Chorionic Sac
(C) Amniotic Sac
(D) Egg Shell

In human female the total gestation period is usually about (GRW.GI, 2015) (SWL, BWP, 2018)
(A) 280 days
(B) 280 weeks
(C) months
(D) 360days

Reproduction MCQs From Past Papers

The human embryo is referred to as the fetus, from the beginning of: (BWP. GI, 2015)
(A) 3rd Month
(B)3rd Week
(C) 6th Month
(D) 6th Week

Syphilis is caused by a spirochete named as: (SGD, 2017)(BWP. GI, 2016)
(A) Neisseria gonorrhea
(B) Treponema pallidum
(C) Escherichia coli
(D) Hypomicrobium

The causative agent of Genital Herpes is a: (SGD. GI, 2014)
(A) Virus
(B) Bacteria
(C) Fungi
(D) Protozoan

Internal fertilization leads to the internal development of the embryo which given birth to
young one, such animals are called:
(A) Oviparous
(B) Viviparous
(C) Ovoviviparous
(D) Vivi-Oviparous

All of the following animals are haploid parthenogenetic except:
(A) Wasps
(B) Aphids
(C) Honey bees
(D) Ants

In human beings, most of the major organs of Embryo are formed with in the :
(A) Ten weeks
(B) Six weeks
(C) Twelve weeks
(D) Fourteen weeks

The leaf unrolling is promoted by red light in: (RWP, 2018)
(A) Bryophytes
(B) Pteridophytes
(C) Dicots
(D) Monocots

In human how many ova are usually discharged from the ovary at one time? (DGK, 2016)
(A) 1
(B) 2
(C) 6
(D) 3

The special condition of rest, which enables an embryo to survive the long periods is:
(A) Root Dormancy
(B) Shoot Dormancy
(C) Seed Dormancy
(D) Plant Dormancy

The vitamins are essential raw materials for the synthesis of:
(A) Coenzymes
(B) Activators
(C) Holoenzymes
(D) Apoenzymes

The inner soft wall of the human uterus is called: (GRW.2018)
(A) ectometrium
(B) exome trium
(C) endometrium
(D) myometrium

An example of long-day plants is: (MLN. 2018)
(A) Tomato
(B) Cabbage
(C) Corn
(D) Soyabean

Oestrus cycle, a reproductive cycle is found in all females except: (SWL 2018)
(A) cat
(B) Cow
(C) human being
(D) lion

Which one is Parthenogenic Fruit? (BWP. 2018)
(A) Apple
(B) Pineapple
(C) Peach
(D) Mango

 

 

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