Ravi stepped on a nail and jumped back at once. How did the information travel in his body?
ASkin → Nerves → Brain
BNerves → Spinal cord → Leg muscles → Nerves
CBrain → Nerves → Spinal cord → Nerves → Leg muscles
DSkin → Nerves → Spinal cord → Nerves → Leg muscles
Refer to the given diagram and select the correct option regarding it.
AX - Rubber, Y - Plastic
BZ - Wood, X - Cardboard
CY - Sponge, X - Rubber
DZ - Glass, X - Paper
Refer to the given dichotomous key.
Select the incorrect option regarding P – S.
AP could be tendril of grapevine whereas S could be prop roots of banyan.
BQ could be stem of Opuntia whereas R could be climbing root of betel.
CP could be tendril of Cucurbita whereas R could be climbing root of ivy.
DP could be tendril of passion flower whereas S could be aerial root of orchid.
Refer to the diagrammatic representation of water cycle and identify P, Q, R and S.
A P - Condensation; Q - Precipitation; R - Transpiration; S - Evaporation
B P - Precipitation; Q - Condensation; R - Transpiration; S - Evaporation
C P - Precipitation; Q - Condensation; R - Evaporation; S - Transpiration
D P - Precipitation; Q - Evaporation; R - Condensation; S - Transpiration
Komal and Kavita start at one end of a street (the origin), run to the other end, and then head back. On the way back, Komal is ahead of Kavita. Which of the given statements is correct, regarding the distance covered and the displacement from the origin at the moment?
AKavita has run a greater distance, but her displacement is less than that of Komal.
BKavita has run a greater distance and her displacement is greater than that of Komal.
CKomal has run a greater distance, but her displacement is less than that of Kavita.
DKomal has run a greater distance and her displacement is greater than that of Kavita.
Which of the following characteristics is/are shared by the animals shown in the given figures?
(i) They lay eggs.
(ii) They eat same type of food.
(iii) They grow and eventually die.
(iv) They live both on land and in water.
A(i) & (iii)
B(i), (ii) & (iii)
C(i), (iii) & (iv)
they ate same type of food