Assertion: S.A. node induces excitatory impulses in heart.
Reason: S.A. node is self excitatory.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
Assertion: Organ of Corti rests on tectorial membrane.
Reason: It helps to maintain equilibrium of body
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false.
Tendon and ligament are example of
dense regular connective tissue-
dense irregular connective tissue
loose connective tissue
specialised connective tissue.
If medulla oblongata is destroyed then which of the following functions will be effected
No thermoregulation
No vision
No memory
No response when pricked with needle
Which of the following statements is correct ?
1. Common cold- Droplet Infection.
2. Typhoid - Contaminated food & water.
3. AIDS- Shaking hands.
4. Ringworm - Using infected towels.
1 and 2
3 and 4
1 and 3
1,2 and 4
D.
1,2 and 4
Common cold can take place from one person to other as it is a communicable in nature. A healthy person can get infected by being in close vicinity of infected person when he/she sneezes, coughs, as the droplets generated by sneeze and cough contain infecting agents. Typhoid occurs by the intake of contaminated water & food. While ringworm is one of the skin disease which can transfer from one person to other by the use of infected towel & handkerchief. AIDS (Acquired lmmuno deficiency) does not occur or transfer by shaking hands.
Which of the following statements is correct
Catalytic converter can separate particulate matter of diameter less than 2.5 micrometers.
Histones are acidic in nature that forms core for DNA packaging.
Lactobacillus is not present in dough used in idli formation.
Template with polarity 5' 3' has continuous DNA replication.
Which of the following statements is correct
Lion and leopard show convergent evolution.
Cryptic camouflage is seen in Biston betularia
Natural selection is responsible for extinction of dinosaurs.
Homo habilis and Homo erectus are closely related.
What is the source of EcoRI
Escherichia coli R I
Escherichia coli R I 13
Escherichia coli R Y 13
Escherichia coli RX 13
First clinical gene therapy was given in 1992 to a 4 years old girl for
adenine deficiency
growth deficiency
adenosine deaminase deficiency
adenosine deficiency
What are labelled phases A, B and C in given sigmoidal growth curve.
A | B | C |
stationery | Log | Lag |
A | B | C |
Lag | stationery | Log |
A | B | C |
Log | Lag | stationery |
A | B | C |
Lag | Log | stationery |