Biology MCQ: MCQ Test
50 questions · pick one option for each · submit when you finish to see your score and the correct answers.
Question 1 of 50
Who is Know as father of Zoology ?
- ADarwin
- BLamark
- CAristotle
- DTheophrastus
Question 2 of 50
The oxygen liberated during photosynthesis comes from
- AWater
- BCarbon dioxide
- CGlucose
- DChlorophyll
Question 3 of 50
After digestion protein is converted into-
- AFat
- BGlucose
- CAmino acid
- DGlucose
Question 4 of 50
Who pioneered diagnostic ultrasound ?
- AAlexander Fleming
- BIan Donald
- CA. Laveran
- DRobert Koch
Question 5 of 50
Which among the following is the lowermost plants of the plant kingdom?
- AThallophyta
- BPteridophyta
- CPhanerogamae
- DBryophyta
Question 6 of 50
Which part of Litchi fruit is eaten ?
- APericarp
- BMesocarp
- CFleshy Aril
- DEndocarp
Question 7 of 50
The filtration unit of kindney is-
- ANeuron
- BYellow fiber
- CAxon
- DNephron
Question 8 of 50
Who is Know as father of Biology ?
- AAristotle
- BDarwin
- CLamark
- DPurkenja
Question 9 of 50
Which one can respire in ansence of oxygen-
- ASeed
- BLeaves
- CStem
- DRoot
Question 10 of 50
Life saving harmone is secreted by-
- AAdrenal
- BPituitary
- CThyroid
- DAll of them
Question 11 of 50
Evolutionary history of an organism known as-
- AOntogeny
- BPhylogeny
- CAncestry
- DPaleontology
Question 12 of 50
Hypogeal germination is found in -
- APumpkin
- BMaize
- CRhizophora
- DBeans
Question 13 of 50
Indol acetic acid is-
- AEnzyme
- BFungicides
- CAmino acid
- DAuxin
Question 14 of 50
Bacteria which is found in the intestine of human -
- AEscherichia coli
- BVibrio cholerae
- CBacillus antherosis
- DCorynebacterium diphtheriae
Question 15 of 50
The instrument by which rate of growth of plant is measured-
- AHydrometer
- BAuxanometer
- COsmometer
- DPotometer
Question 16 of 50
When one gene pair hides the effect of the other unit, the phenomenon is referred to as-
- ANone of the options
- BEpistasis
- CDominance
- DMutation
Question 17 of 50
Which blood group is a universal recipient ?
- AA
- BB
- CAB
- DO
Question 18 of 50
Which one of following statements is correct about harmone ?
- AIt is a organic compound which control the growth of plant
- BIt is a special kind of organic compound found in small amount which control metabolic activity and growth of plant
- CIts different concentration have different effect on different organ
- DAll of these
Question 19 of 50
Lactogenic hormone is secreted by :
- AOvary
- BPituitary
- CMammary
- DPlacenta
Question 20 of 50
Centriole take part in-
- ANucleolus formation
- BStart of cell division
- CCell plate formation
- DSpindle formation
Question 21 of 50
Incomplete break down of sugar in anaerobic respiration form-
- AFructose and water
- BGlucose and CO2
- CAlcohol and CO2
- DWater and CO2
Question 22 of 50
A plant bud is -
- Aan embryonic shoot
- Ban embryonic leaf
- Can embryonic stem
- Da seed
Question 23 of 50
A man, who does not know when to stop eating, is suffering from-
- ABulimia
- BDiabetes
- CAnorexiz nervosa
- DHyperacidity
Question 24 of 50
In glycolysis untimately-
- AProtein is converted into glucose
- BGlucose is converted to glycogen
- CStarch is converted into glycogen
- DGlucose is converted into pyruvic acid
Question 25 of 50
Study of parasitic organism is called -
- AParazoology
- BParasitology
- CBoth a and b
- DNone of these
Question 26 of 50
At high altitue RBC of human blood will-
- AIncrease in number
- BDecrease in number
- CDecrease in size
- DIncrease in size
Question 27 of 50
PH of Human Blood :
- A7.1
- B8.2
- C7.4
- D7.7
Question 28 of 50
Which one of the following is the correct sequence of events during sexual reproduction in plants?
- ASeedling formation of embryo, pollination, fertilization, division of zygote
- BFormation of embryo, seedling, pollination, fertilization, division of zygote
- CPollination, fertilization, divisionofzygote, formation of embryo, seedling
- DSeedling formation of embryo, division of zygote, pollination, fertilization
Question 29 of 50
Which of the following cell organelles play the most significant role in protein synthesis-
- ALysosome and centrosome
- BEndoplasmic reticulum and ribosome
- CGolgi apparatus and mitochondria
- DLysosome and mitochondria
Question 30 of 50
Osmosis Involves-
- ADiffusion of suspended particle from higher to lower Concentration.
- BDiffusion of suspended particle from lower to higher concentration.
- CDiffusion of water from more to less concentrated side.
- DDiffusion of water from less to more concentrated side.
Question 31 of 50
What is Cas 9 protein that is often mentioned in news ?
- AA molecular secissors used in targeted gene editing
- BA biosensor used in the accurate detection of pathogens in patients
- CA gene that makes plants pest-resistant
- DA herbicidal substance synthesized in genetically modified crops
Question 32 of 50
Which of the following crop enrich the soil with nitrogen ?
- APotato
- BSorgum
- CSunflower
- DPea
Question 33 of 50
Belladona medicine is obtained by which part of A tropa belladona ?
- AFrom leaf
- BFrom root
- CFrom stem
- DFrom all part of plant
Question 34 of 50
Nuclease enzyme which begin its attack from free end of polynucleotide is -
- AEndonuclease
- BExonuclease
- CPolymerase
- DKinase
Question 35 of 50
Black rust of wheat is caused by-
- AErysiphe
- BAlbugo
- CPuccinia gramiris
- DColletatrichum
Question 36 of 50
Which of the following is a Communicable disease ?
- AMeasles
- BAsthma
- CDiabetes
- DAlzheimer
Question 37 of 50
The meristem which occurs between mature tissues is known as ……… meristem.
- AIntercalary
- BPrimary
- CLateral
- DApical
Question 38 of 50
Which one of the following is a protein fiber ?
- ANylon
- BPolyester
- CSilk
- DCotton
Question 39 of 50
Entomophily pollination occur with the help of -
- AAnimal
- Blnsects
- CWind
- DWater
Question 40 of 50
Purification of blood takes place in-
- ALing
- BHeart
- CKidney
- DLiver
Question 41 of 50
Which of the following plant produce seed but not fruit ?
- AMaize
- BMint
- CPeepal
- DPinus
Question 42 of 50
Normal haemoglobin content of an adult man is…….
- A5 gm/100 ml of blood
- B7 gm/100 ml of blood
- C14.5 gm/100 ml of blood
- D18.5 gm/100 ml of blood
Question 43 of 50
Which is the longest and strongest bone in human body ?
- AFemur
- BTibia
- CFibula
- DHumerus
Question 44 of 50
Gene are made up of -
- ADNA
- BRNA
- CDNA & RNA
- Dprotein
Question 45 of 50
Transpiration is regulated by movement of-
- AGuard Cells
- BSubsidiary Cell
- CEpidermal Cell
- DMesophyll Cells
Question 46 of 50
Which of the following endocrine glands is not found in pair in humans ?
- AAdrenal
- BPituitary
- CTestis
- DOvary
Question 47 of 50
Which one of the following forms the base of vegetable fibres ?
- ACellulose
- BProteins
- CFats
- DOils
Question 48 of 50
Which one of the following gas comes out during photosynthesis ?
- AOxygen
- BCarbondioxide
- CHydrogen
- DChlorine
Question 49 of 50
Example of positive geotropism is-
- AClosing of flower
- BUpward growth of stem
- CDownward growth of root
- DLateral growth of root
Question 50 of 50
Which of the following is a waterborne disease causing acute gastrointestinal infection ?
- ACholera
- BRabies
- CPneumonia
- DLeprosy