Study the given table carefully and select the correct statement regarding P, Q, R and S.
AP can be replaced by metallic materials and S can be replaced by clear water.
BQ can be replaced by pumice stone and R can be replaced by honey.
CP can be replaced by lustrous materials and S can be replaced by aluminium foil.
DBoth B and C
Study the table given below carefully.
What will be the approximate length of the shadow at 5 p.m.?
A It will be longer than 4 m.
B It will be longer than 2 m but shorter than 4 m.
C It will be longer than 0.7 m but shorter than 4 m.
D It will be longer than 0.7 m but shorter than 2 m.
it is wrong the correct ans is c
Refer to the given figures representing different types of bird foot and select the INCORRECT statement regarding them.
AP could be foot of eagle having sharp claws known as talons.
BQ could be foot of woodpecker which helps it to hold onto the tree while climbing.
CR could be foot of hen which helps it to dig out insects and worms from the ground.
DS could be foot of duck which helps it to swim.
What is common among the following phenomena?
1. Blinking of traffic lights.
2. Rotation of blades of a fan.
3. Swinging of pendulum of a clock.
A All are chemical changes.
B All are periodic changes.
C All are undesirable changes.
D All are irreversible changes.
Study the given diagram. Which alphabets best describe Sun and Moon respectively?
A f and d
B g and d
C g and e
D f and e
Refer to the given dichotomous key.
ADeficiency of P causes a disorder called anaemia which can also be caused by deficiency of a vitamin known as B12.
BOur body is capable of manufacturing Q so we need not supplement it externally through our diet.
CDeficiency of R causes beriberi in children and pellagra in adults.
DS also helps in building resistance against infection in children and is found abundantly in citrus fruits.
Read the given statements and select the correct option.
(i) In insects, circulating body fluids serve to distribute oxygen to tissues.
(ii) Yeasts respire aerobically, therefore, they are used to make wine and beer.
(iii) Bronchitis is the inflammation of bronchi which may be caused on exposure to air pollutants.
(iv) In a healthy person, maximum capacity of lungs for inhaled air is 1500 mL.
(v) Sneezing expels the foreign particles from the inhaled air.
A Statements (i), (ii) and (iv) are incorrect, while statements (iii) and (v) are correct.
B Statements (i), (ii) and (iii) are incorrect, while statements (iv) and (v) are correct.
C Statement (ii) is incorrect, while statements (i), (iii), (iv) and (v) are correct.
D Statements (ii) and (v) are incorrect, while statements (i), (iii) and (iv) are correct.