Study the given classification table regarding functions of different body parts. Which
of the following can be 'X'?
B Small intestine
brain is connected to spinal cord and transmits signals through spinal cord .similarly heart sends blood to lungs for oxygenation and oxygenated blood is returned back to heart .there is no relation of lungs and kidney
Refer to the given passage and
answer the following questions.
An experiment is conducted by a student to check the conductivity of potato and the set-up is shown here.
What happens to the compass needle when the switch is closed?
A The compass needle will point towards the right.
B The compass needle will point towards the left.
C The compass needle will not deflect.
D The compass needle will point downwards.
Please answer this
Refer to the given relationship regarding mode of feeding.
Which of the following correctly satisfies the same relationship?
A Mosquito: Leech: Spider
B Snail: Amoeba: Ant
C Frog: Squirrel: Butterfly
D Paramecium: Hydra: Hyena
What is the logic behind this question?
Out of the given diagrams, which one represents the effect of bringing a positively charged rod near an electroscope (i.e. charged by conduction)?
In which of the following a permanent magnet is not used?
A In magnetic door catchers
C In compasses
D None of these