Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged life science
+1
vote
1
answer
Umbilical cord has (a) Two arteries carrying blood to placenta and one vein returning blood to foetus
asked
Apr 4, 2019
in
Class 12
by
kratos
neet
aiims
circulation
body fluids
class-12
life science
human reproduction
extraembryonic membranes
+1
vote
1
answer
The conducting cells of xylem are (a) tracheary elements (b) sieve elements
asked
Mar 31, 2019
in
Class 9
by
kratos
life science
class-9
tissues
cbse
+1
vote
1
answer
Oogenesis takes place is : (a) Squamous epithelium of ovary (b) Interstitial cells of ovary (c) Follicles of ovary
asked
Mar 27, 2019
in
Class 12
by
kratos
amu
neet
class-11
aiims
life science
class-9
tissues
+2
votes
1
answer
The presence of gill slits, in the embryos of all vertebrates, supports the theory of
asked
Mar 22, 2019
in
Class 12
by
kratos
neet
aiims
animal kingdom
life science
evolution
human reproduction
+1
vote
1
answer
Choose the correct combination (a) Aves and Chordata – Classes
asked
Mar 19, 2019
in
Class 9
by
kratos
life science
class-9
biodiversity
+2
votes
1
answer
The term evolution in biology means that (a) fossils are old (b) life began in sea
asked
Mar 18, 2019
in
Class 12
by
kratos
life science
evolution
class-10
class-12
+3
votes
1
answer
Which is the correct sequence of air passage during inhalation?
asked
Mar 17, 2019
in
Class 10
by
kratos
life processes
life science
class-10
+2
votes
1
answer
Which of the following are absent in gymnosperms ? (a) Xylem vessels (b) Xylem fibres
asked
Mar 17, 2019
in
Class 12
by
kratos
plant anatomy
neet
class-11
aiims
life science
anatomy of flowering plants
+1
vote
1
answer
In the list of organisms given below, those that are reproduced by the asexual method are (i) banana
asked
Mar 16, 2019
in
Class 10
by
kratos
cbse
how do organisms reproduce?
class-10
life science
how do organisms reproduce
+3
votes
1
answer
Which one of the following human cells do not contain mitochondria ?
asked
Mar 16, 2019
in
Class 12
by
kratos
excretory system
neet
unit of life
aiims
cell structure
structural components
life science
cell
+2
votes
1
answer
Assertion : Glyoxisome, sphaerosome, lysosome are surrounded by single membrane.
asked
Mar 14, 2019
in
Class 9
by
kratos
fundamental unit of life
cbse
class-6
class-9
aiims 2019
life science
human organ systems
+3
votes
1
answer
Heart **** originates from (a) pacemaker (b) cardiac muscles
asked
Mar 10, 2019
in
Class 11
by
kratos
class-11
circulation
body fluids
class-10
life science
+1
vote
1
answer
Neurons are classified on the basis of (a) number of nucleus present
asked
Mar 9, 2019
in
Mathematics
by
kratos
life science
+3
votes
1
answer
Certain specific regions where growth takes place in plants is called (a) perisperm
asked
Mar 8, 2019
in
Mathematics
by
kratos
life science
+1
vote
1
answer
Which of the following is not a similarity between crocodile and humans? (a) four chambered heart
asked
Mar 7, 2019
in
Class 11
by
kratos
cbse
life processes
class-11
class-9
class-10
animal kingdom
life science
+1
vote
1
answer
Can you name the two organelles we have studied that contain their own genetic material?
asked
Mar 2, 2019
in
Class 9
by
kratos
fundamental unit of life
cbse
class-9
structure of living organisms
life science
+3
votes
1
answer
Five kingdom classification was proposed by (a) Woese (b) Haeckel
asked
Mar 1, 2019
in
Class 12
by
kratos
diversity in living organisms
neet
cbse
aiims
class-9
life science
+2
votes
1
answer
Notochord, Dorsal nerve chord and Gill-slits are features seen in : (a) vertebrata
asked
Feb 28, 2019
in
Class 12
by
kratos
neet
aiims
animal kingdom
life science
evolution
human reproduction
+3
votes
1
answer
What were the key evolutionary innovations of the Plantae ? (a) Seeds, organelles, flowers
asked
Feb 27, 2019
in
Mathematics
by
kratos
life science
+2
votes
1
answer
(a) What is meant by Cardiac cycle ? (b) Write relation between the weight of the heart and heart ****.
asked
Feb 26, 2019
in
Class 12
by
kratos
neet
class-11
aiims
circulation
body fluids
class-10
life science
To see more, click for the
full list of questions
or
popular tags
.