More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
Carbon dioxide enters the leaves through
Choose an answer
Stomata
Stroma
Gurad cells
Cuticle
Previous
Skip
Next
Question # 2
Lock and key model was proposed by
Choose an answer
Koshland
Emil Fisher
Watson
Flemming
Previous
Skip
Next
Question # 3
The final product of glycolysis by is
Choose an answer
Citrate
Pyruvate
Fumarate
Malate
Previous
Skip
Next
Question # 4
Magnesium is an important nutrient ion in green plant as it is an essential component of
Choose an answer
Cell sap
Protean
chlorophyll
Glucose
Previous
Skip
Next
Question # 5
Which one of the following is not found in bacteria.
Choose an answer
Cell membrane
Ribosome
Nucleoid
Capsule
Previous
Skip
Next
Question # 6
Cysts are dormant, thick, walled, desiccation resistant forms and develop during.
Choose an answer
Late stage of cell growth
Differentiation of vegetative cells
Differentiation of reproductive cells
During conjugation
Previous
Skip
Next
Question # 7
The number of edible mushroom species are about.
Choose an answer
100
200
300
400
Previous
Skip
Next
Question # 8
The mechanism for ATP synthesis is
Choose an answer
Chemosynthesis
Photosynthesis
Chemiosmosis
Phosphorylation
Previous
Skip
Next
Question # 9
An outer flexible covering of ciliates is.
Choose an answer
Cell wall
Pellicle
Sheath
Cuticle
Previous
Skip
Next
Question # 10
More than ten compounds of tar of tobacco smoke are included in causing.
Choose an answer
Cancer
Asthma
Emphysema
Tuberculosis
Previous
Skip
Next
Question # 11
Cell wall of gram positive bacteria are stained
Choose an answer
Pink
Red
Green
Purple
Previous
Skip
Next
Question # 12
In plants which light enhances cell division.
Choose an answer
Infra red
Blue
Red
green
Previous
Skip
Next
Question # 13
Oxytocin is secreted by the endocrine gland named:
Choose an answer
Pituitary gland
Thyroid gland
Parathyroid gland
Adrenal gland
Previous
Skip
Next
Question # 14
Which one is non-directed orientation?
Choose an answer
Taxis
Kinesis
Tropism
Imprinting
Previous
Skip
Next
Question # 15
An association between two organisms by which both are benefited is called.
Choose an answer
Parasitism
commensalism
Mutualism
Predation
Previous
Skip
Next
Question # 16
Which is the most important mechanism for water loss from the body?
Choose an answer
Excretiong in urine
Sneezing
Sweating
Eleminatin in feces
Previous
Skip
Next
Question # 17
During progeny luteotropic hormone LTH and placental lactogen stimulate Mammary development in preparation for.
Choose an answer
Gestation
Lactation
Miscarriage
After birth
Previous
Skip
Next
Question # 18
The enzyme luciferase is produced by an insert commonly known as the.
Choose an answer
House fly
Butter fly
Caddis fly
Fire fly
Previous
Skip
Next
Question # 19
Which bone provide attachment site for muscle.
Choose an answer
compact bone
spongy bone
Cartilage
soft bone
Previous
Skip
Next
Question # 20
Some amoeboflagellates ingested cyanobacteria and led to the development of
Choose an answer
Mitochondria
Golgi apparatus
Chloroplasts
Vacuoles
Previous
Skip
Next
Question # 21
Biogeography is the geographical distribution of.
Choose an answer
Phylum
species
Genera
Classes
Previous
Skip
Next
Question # 22
A fluid is secreted to provide liquid medium, protection and nourishment.
Choose an answer
Corpus luteum
Follicle
Ilterus
Sertoli
Previous
Skip
Next
Back