Biology MCQ: MCQ Test (25 questions)

Question 1 of 25

Self pollination will lead to ----

AOverbreeding
BOutbreeding
Clnbreeding
DRare breeding

Question 2 of 25

Life cycle of plasmodium in mosquito was discovered by-

ALouis Pasture
BRonald Rose
CCharles Darwin
DMendal

Question 3 of 25

Species is a group of organisms which-

Alnterbreed freely
BDo not lnterbreed
CLive together
DNone of these

Question 4 of 25

Bark of cinchona is used a medicine in the treatment of malaria. Which one of the following artificial medicine is substitute of cinchona ?

AChloromycetin
BChloroquinine
CTetracyclene
DAmpicillin

Question 5 of 25

The most important indoor air pollutant is-

ASulphur Dioxide
BCarbon Dioxide
CNitrogen Dioxide
DRadon gasn(e) None of these

Question 6 of 25

Which is the miost stable ecosystem ?

ADesert
BOcean
CMountain
DForest

Question 7 of 25

One molecule of haemoglobin can carry atom of oxygen.

A2
B4
C6
D8

Question 8 of 25

The ratio of forest area needed for ecologycal balance in India-

A11.1%
B22.2%
C33.3%
D44.4%

Question 9 of 25

Hemocyanin is an oxygen-transport metalloprotein in some invertebrate animal. This protein contains :

AOne copper atom
BTwo copper atoms
COne iron atom
DOne magnesium atom

Question 10 of 25

End product of aerobic respiration are-

ASugar and oxygen
BCarbon dioxide, water and energy
CWater and energy
DCarbon dioxide and energy

Question 11 of 25

Assertion (A) : Scientists can cut apart and paste together DNA molecules at will, regardless of the source of molecules.nReason (R) : DNA fragments can be mainpulated using restriction endonucleases and DNA ligases.

ABoth A and R are true and R is the correct explanation of A
BBoth A and R are true, but R is not a correct explanation of A
CA is true, but R is false
DA is false, but R is true

Question 12 of 25

Number of eyes found in earthworm-

AOne
BTwo
CMany
DNo eye

Question 13 of 25

Which one of the following techniques can be used to establish the paternity of a child?

AProtein analysis
BQuantitative analysis of DNA
CChromosome counting
DDNA finger printing

Question 14 of 25

Among pollutants which has the most lasting effect-

ACarbon monoxide
BPesticides
CSulphurdioxide
DSmoke from chimney

Question 15 of 25

Which one of the following is not an epidemic disease ?

ACholera
BMalaria
CSmallpox
DElephantiasis

Question 16 of 25

Which of the following hormone is not secreted by thyroid gland ?

AThyroxine
BCalcitonin
CTriiodothyronine
DThymosin

Question 17 of 25

Which one of the following strongly threatens biodiversity ?

AFragile ecosystems such as mangroves and wetlands
BEnaccessible habitates in the Himalayas
CDesstruction of natural habitates and vegetation for Jhum cultivation
DCreation of biosphere reserves

Question 18 of 25

Jellyfish are an example of which type of phylum ?

APhylum-Protozoa
BPhylum-Ctenophora
CPhylum-Porifera
DPhylum-Cnidaria

Question 19 of 25

A fertillized egg is Known as -

AOospore
BConidiospore
CZoospore
DZygote

Question 20 of 25

Ligament connect-

AMuscular to bone
BBone to bone
CNerve to bone
DMuscles to skin

Question 21 of 25

ln the context of the spread of germs by faecal matter, which of the following does NOT figure in the F-Diagram ?

AFingers
BFluids
CFlies
DFungi

Question 22 of 25

Closed circulatory system is found in-

ACockroach
BSnail
CCuttle fish
DAll

Question 23 of 25

Food products are kept in cold storage or refrigeration in order to-

AMake the tasty
BUse in off season
CMaintenance of ffreshness, longevity and teste due to low respiration
DKeep them cool

Question 24 of 25

Giving access to consumption of sugar as a source of energy in diet, for the poorest of the poor sections of the society has been intiated under-

AAntyodaya Anna Yojana
BAnnapurna Scheme
CTargeted public Distribution System
DMid day Meal Scheme

Question 25 of 25

Which of the following diseases are waterborne ? 1. Typhoid 2. Hepatitis B 3. Tuberculosis 4. Hepatitis A Select the correct answer using the code given below

A1 & 2
B1 & 3
C1 & 4
D2 & 4