Why is air important in soil?
A It holds water that plants can absorb.
B It helps the soil particles to stick together.
C It allows plant roots and soil animals to breathe.
D None of these
During a Full Moon _________.
AThe entire Moon gives out its own light to the Earth
BHalf of the Moon is lit by the Sun
CThe entire lit side of the Moon is visible from the Earth
DThe Moon appears to be completely dark
Ruchi observed the Moon from 10th September to 28th September. She noticed that New Moon appeared on 12th September. Which of the following options correctly shows phases of Moon on 10th September and 26th September respectively?
The given graph shows temperature gradient through different biomes of Earth (P, Q, R and S).
Refer to the given graph and select the incorrect option regarding P, Q, R and S.
A Plants inhabiting S may have photosynthetic stems and leaves reduced to spines.
B Animals inhabiting R possess thick layer of subcutaneous fat.
C Animals inhabiting P show arboreal adaptations and often use camouflage and startling colouration for protection against enemies.
D Plants inhabiting Q have large flat leaves and animals inhabiting Q excrete concentrated urine and are nocturnal.
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The given figure shows one of the important organ systems of the human body.
Which is INCORRECT about the organ labelled as X ?
1. It produces urine.
2. It excretes urea.
3. It stores urine.
(a) 2 only
(b) 3 only
(c) 1 and 2
(d) 2 and 3