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4000 MCQ General Science Most important questions PDFs + Videos

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4000 MCQ General Science Most important questions PDFs + Videos

4000 MCQ General Science Most important questions PDFs + Videos

Q51. Cell Division is synonymous with reproduction in:

(a). Plants and Fungi

(b). Animal and Plant

(c). Protista and Monera

(d).Monera and Algae

PDF : Most important 4000 MCQ General Science 

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Q52. The polyestrous mammal is

(a) Man

(b) Rabbit

(c) Cat 

(d) Horse 

Q53.Which of these organism show budding:

(a) Yeast

(b) Hydra

(c) Sponge 

(d) All of the above

Q54. The parthenogenesis refers to-a-fruit

(a) with seeds after pollination

(b) without seeds after pollination
(c) with viable seeds after fertilization 

(d) seedless without fertilization

Q55.Which are the units of vegetative propagation:

(a) Runners and Rhizomes

(b) Suckers and bulbs 

(c) Tuber and offset

(d) All of these

Q56.In Plants,the units of vegetative propagation are capable of giving rise to new offspring.These structures are called:

(a) Zoospores

(b) Asexual Spores

(c) Vegetative propagules

(d) Rhizomes

Q57.Which type of asexual reproduction takes place in sycon and spongilla ?(a) Exo budding /????????? ??????

(b) Endo budding

(c) Fragmentation

(d) Division

Video English Medium : Most important 4000 MCQ General Science 

Q58.In all the methods of asexual reproduction

(a) offsprings produced are genetically identical to the parents
(b) offsprings produced are genetically di?erent from the parents
(c) o?springs produce may or may not be identical to the parents
(d) None of the above

Q59.The function of egg cell is/are(a) It supplies a haploid set of chromosomes to the future embryo
(b) It provides most of the cytoplasm to the embryo
(c) It supplies food reserves to the embryo
(d) All the above

Q60.On fertilization of egg nucleus with sperm nucleus
(a) first maturation is completed
(b) second maturation is completed
(c) embryo is formed

(d) first polar body is formed

Q61.Common method of asexual reproduction is by

(a) regeneration

(b) budding
(c) archaeocytes

(d) gemmulation

Q62.What is true in the process of fertilization?

(a) Only one sperm reaches the egg and enters it
(b) The entry of sperm activates the egg from completing meiosis
(c) Two haploid nuclei fuse and immediately divide to produce two nuclei which are again haploid
(d) Only the acrosome of the sperm enters the egg

Q63.In sexual reproduction, o?sprigs resemble the parents

(a) structurally but not functionally
(b) functionally but not structurally
(c) both structurally and functionally

(d) neither structurally nor functionally

Q64.Binary fission is found in

(a) Amoeba

(b) Paramoecium
(c) Planaria

(d) all of these

4000 MCQ General Science Most important questions PDFs + Videos

Q65.Natural parthenogenesis occurs in

(a) Frog to form female
(b) Honey Bee to produce drones 
(c) Cockroach

(d) Vegetarian eggs

Q66.In Earthworms, self fertilization does not occur due to

(a) Hypogyny

(b) Protogyny

(c) Protandry

(d) Epigyny

Q67.An alteration of asexual and sexual generations where both the generations are diploid and the diploid stage is represented only by the gametes is calle

(a) binary fission
(b) metagenesis
(c) paedogenesis
(d) parthenogenesis

Hindi Medium Video : Most important 4000 MCQ General Science 

Q68.A person which shows the secondary sexual characters of both male and female is called

(a) Intersex
(b) Hermaphrodite
(c) Bisexual
(d) Gynandromorph

Q69.The production of new plant from the maternal plant is called.

(a) Vegetative reproduction 

(b) Cutting

(c) Grafting

(d) Layering

Q70.Which of the following plant reproduces by leaf ?

(a) Agave

(b) Bryophyllum

(c) Gladiolus

(d) Potato/???

Q71.Pollen tube enters the embryo sac through

(a) Any one synergid cell
(b) Directly penetrating the egg cell
(c) In between one synergid cell and secondary nucleus
(d) The help of antipodal cells.

Q72.Grafting is impossible in monocot-because

(a) Vascular bundles are scattered.

(b) Meristem is absent
(c) Collateral open vascular bundle 

(d) Radial vascular bundle

Q73.In an egg, the type of cleavage is determined by

(a) shape and size-of the sperm

(b) size and location of the nucleus
(c) amount and distribution of yolk
(d) number of egg membranes

Q74.Amoeba and Yeast reproduce asexually by Fission and, budding respectively, because they are

(a) microscopic organisms
(b) heterotrophic organisms
(c) unicellular  organisms
(d) uninucleate organisms

Q75.The "Eyes" of the potato tuber are

(a) root buds

(b) flower buds
(c) shoot buds

(d) axillary buds

Q76.The part which is grafting on stalk of another tree is called

(a) graft 

(b) bulbil

(d) scion

Q77.Stem cuttings are commonly used for the propagation of

(a) banana

(b) rose
(c) mango

(d) cotton 

Q78.Plants identical to mother plants can be obtained from

(a) seeds 

(b) stem cutting
(c) both(a) and(b)

(d) none of these


Q79.Among the following which one is not a method of  vegetative propagation?

(a) Budding 

(b) Layering
(c) Sowing 

(d) Tissue culture

Q80.One of the plants using 'Foliar adventitious buds' is a method for vegetative propagation is

(a) banana 

(b) ginger
(c) Bryophyllum

(d) Colocasia

Q81.Appearance of vegetative propagules form the nodes of plants such as sugarcane and ginger is mainly because.(a) nodes are shorter than internodes

(b) nodes have meristematic cells
(c) node a located near the soil
(c) nodes have non-photosynthetic cells

Q82.Di?erntiaton in morphology often two sexes of the same species is called

(a) hermaphrodite

(b) metamorphosis
(c) Sexual dimorphism

(d) unisexual

Q83.The croaking sound made by frog is

(a) hunger cell

(b) just a musical note

(c) signalling call of danger

(d)sex call for female partner

Q84.A sperm without acrosome, can not

(a) get food supply

(b) move

(c) penetrate into the seminal vesicle

(d) penetrate into the ovum

Q85.The size of the egg chiefly depends upon the

(a) size of the animal

(b) amount of yolk reserves in it

(c) amount of food taken by the mother

(d) all the above

Q86.When more than one sperm establish contact and penetrate into the egg; then it is called

(a) monospermy 

(b) polyspermy

(c) both (a) and (b)

(d) none of these

Q87.Which type of stimulus is used to achieve parthenogenetic development?

(a) Chemical

(b) Change in pH

(c) Pricking with microneedle

(d) All the above

Q88.What is common between vegetative reproduction and apomixis?

(a) Both are applicable to only dicot plants

(b) Both byass the ?owering phase

(c) Both occur round the year

(d) Both produce progeny identical to the parent

Q89.Where does maturity is observed in the sporophyte stage of the plants?

(a) In gemina

(b) In primary structures 
(c) In sporophylls

(d) In eggs

Q90.Which tissue is required to be present in between stock and scion during grafting?

(a) Xylem

(b) Phloem

(c) Meristem 

(d) Parenchyma

Q91.How man eggs will be formed from an ovary of a woman,in absence implantation of an embryo?

(a) 12

(b) 06

(c) 24

(d) 48

Q92.The Ovary after fertilization is converted into

(a) Embryo

(b) endosperm

(c) fruit

(d) seed

Q93.Which of the following animal shows longitudinal binary fission?

(a) Euglena

(b) Plasmodium 

(c) Planaria 

(d) Paramoecium

Q94.By which medium gametes of Algae, Bryophytes and Pteridophytes move ?

(a) Air

(b) Water

(c) Lipids

(d) Tissue

Q94.During which process cyst is formed?

(a) Binary fission

(b) Multiple fission

(c) Sporulation

(d) Budding

Q95.Fertilization of egg takes place inside

(a) anther 

(b) stigma
(c) pollen tube 

(d) embryo sac

Q96.Exponential growth of cells is a characteristics feature of

(a) tissue culture cells

(b)multicellular organisms
(c) unicellular organisms

(d) embryo

Q97.The final event in the process of fertilization is

(a) structural change in male and female gametes

(b) egg activation

(c) amphimixis

(d) organizational change in egg cytoplasm

Q98.Which are the various stages of sexual reproduction ?

(a) Growth, Development, Differentiation
(b) Pre fertilization, Fertilization, Post fertilization
(c) Fertilization, Post Fertilization, Pre Fertilization
(d) Gametogenesis, Gamete transfer, Gamete Fertilization

Q99.In which method of asexual reproduction the division of cytoplasm is not possible ?

(a) Amitotic division

(b) Binary fission

(c) Division

(d) Budding

Q100.Which of the following group of animals show regeneration ?

(a) Planaria, Hydra, Starfish

(b) Starfish, Amoeba, Plasmodium
(c) Amoeba, Hydra, Paramoecium

(d) Amoeba, Planaria, Starfish

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